Macrocyclic NS3-serine protease inhibitors of hepatitis C virus comprising N-cyclic P2 moieties

专利摘要:
The present invention relates to novel macrocyclic compounds having HCV protease inhibitory activity, and methods of making such compounds. In another aspect, the invention relates to a pharmaceutical composition comprising said macrocycle, and a method of using it to treat a disease associated with HCV protease.
公开号:KR20030036152A
申请号:KR1020027013276
申请日:2001-04-03
公开日:2003-05-09
发明作者:첸케빈엑스.；아라사판아쇼크；벤카트라맨스리칸쓰；파레크테잘엔.；구하이닝；은조로게에프.죠지；기리자발라반비요르엠.；간굴리아쉬트；삭세나아닐；자오에드윈；야오난후아에이치.；프롱게이앤드류제이.；매디슨빈센트에스.；비불반반카
申请人:쉐링 코포레이션；
IPC主号:

专利说明:

Macrocyclic NS3-serine protease inhibitors of hepatitis C virus comprising N-cyclic P2 moieties}
[2] Hepatitis C virus (HCV) is a (+)-sense single-stranded RNA virus that is closely influenced as a major inducer of non-A, non-B hepatitis (NANBH), particularly blood-related NANBH (BB-NANBH). See International Publications WO 89/04669 and EP 381 216. NANBH has other forms of liver disease such as alcoholism and primary biliary cirrhosis, as well as other types of virus-induced liver diseases such as hepatitis A virus (HAV), hepatitis B virus (HBV), delta hepatitis virus (HDV), cytomegalovirus (CMV), and Epstein-Barr virus (EBV) induced liver disease.
[3] Recently, HCV proteases required for polypeptide processing and viral replication have been identified, cloned and expressed (see, eg, US Pat. No. 5,712,145). These approximately 3000 amino acid polyproteins are available from nucleocapsid protein (C), envelope proteins (E1 and E2) and some non-structural proteins (NS1, 2, from amino terminus to carboxy terminus). 3, 4a, 5a and 5b). NS3 is an approximately 68 kda protein, encoded by approximately 1893 nucleotides of the HCV genome, and has two distinct domains: (a) a serine protease domain consisting of approximately 200 N-terminal amino acids; And (b) an RNA-dependent ATPase domain at the C-terminus of the protein. NS3 proteases are considered members of the chymotrypsin family because of their similar protein sequence, overall three-dimensional structure and catalysis mechanism. Other chymotrypsin-like enzymes are elastase, factor Xa, thrombin, trypsin, plasmin, urokinase, tPA and PSA. Since HCV NS3 serine protease is involved in the proteolysis of the polypeptide (polyprotein) at NS3 / NS4a, NS4a / NS4b, NS4b / NS5a and NS5a / NS5b junctions, it has been associated with producing four viral proteins during viral replication. There is. As such, HCV NS3 serine protease has become an interesting target in antiviral chemotherapy.
[4] The NS4a protein, approximately 6 kda polypeptide, was found to be a cofactor for the serine protease activity of NS3. Self-cleaving of NS3 / NS4a linkages by NS3 / NS4a serine protease occurs intramolecularly (ie cis), whereas cleavage at other sites proceeds intermolecularly (ie trans).
[5] Analysis of the natural cleavage site for HCV protease revealed cysteine in P1 and serine in P1 ', and these residues were strictly conserved within NS4a / NS4b, NS4b / NS5a and NS5a / NS5b junctions. . The NS3 / NS4a linkage contains threonine at P1 and serine at P1 '. Cys → Thr substitutions in NS3 / NS4a are considered because they require cis processing rather than trans processing at the linkages. See, eg, Pizzi et al. (1994) Proc. Natl. Acad. Sci (USA) 91 : 888-892, Failla et al. (1996) Folding & Design 1 : 35-42. NS3 / NS4a cleavage sites also allow for mutagenesis better than other sites. See Kollykhalov et al. (1994) J. Virol. 68 : 7525-7533. It has also been found that acidic residues within the top of the region of the cleavage site are required for efficient cleavage. Komoda et al. (1994) J. Virol. 68 : 7351-7357.
[6] Inhibitors of HCV proteases that have been reported include antioxidants (WO 98/14181), certain peptides and peptide homologs (WO 98/17679); Landro et al. (1997) Biochem. 36 : 9340-9348, Ingallinella et al. (1998) Biochem. 37 : 8906-8914, Llinas-Brunet et al. (1998) Bioorg. Med. Chem. Lett. 8 : 1713-1718], an inhibitor based on the 70 amino acid polypeptide Eglin c [Martin et al. (1998) Biochem. 37 : 11459-11468], an inhibitor affinity selected from human pancreatic secretory trypsin inhibitor (hPSTI-C3) and minibody repertoires (MBip) [Dimasi et al. (1997) J. Virol. 71 : 7461-7469], cV _H E2 [“camelized” variable domain antibody fragments ”[Martin et al. (1997) Protein Eng. 10 : 607-614] and α1-antichymotrypsin (ACT) (Elzouki et al. (1997) J. Hepat. 27 : 42-28. Ribozymes have been recently reported designed to selectively destroy hepatitis C virus RNA (BioWorld Today 9 (217) : 4 (November 10, 1998)).
[7] See also PCT Publication WO 98/17679 (published Apr. 30, 1998) (Vertex Pharmaceuticals Incorporated); WO 98/22496 (published May 28, 1998) (F. Hoffmann-La Roche AG); And WO 99/07734 (published 2 February 18, 1999), Boehringer Ingelheim Canada Ltd.
[8] HCV has a close effect on cirrhosis and induction of hepatocellular carcinoma. At present, it is very difficult to predict patients with HCV infection. HCV infection is more difficult to treat than other forms of hepatitis because there is no difference in immunity or illness associated with HCV infection. Current data indicate that survival after four years of diagnosis of cirrhosis is less than 50%. The survival rate after 5 years of patients diagnosed with resectable localized hepatocellular carcinoma is 10-30%, while the survival rate after 5 years of patients diagnosed with nonresectable localized hepatocellular carcinoma is less than 1%.
[9] See also WO 00/09558 (A assignee: Boehringer Ingelheim Limited; published February 24, 2000), which describes peptide derivatives of the formula:
[10]
[11] [Wherein various elements are defined in the above documents]. Examples of compounds of this series are as follows:
[12]
[13] See also WO 00/09543 (A assignee: Boehringer Ingelheim Limited; published February 24, 2000), which describes peptide derivatives of the formula:
[14]
[15] [Wherein various elements are defined in the above documents]. Examples of compounds of this series are as follows:
[16]
[17] Current treatments for hepatitis C include interferon-α (INF _α ) and a combination of ribavirin and interferon (Bermeguer et al. (1998) Proc. Assoc. Am. Physicians 110 (2) : 98-112]. These therapies have a low response duration and frequently cause side effects. Hoofnagle et al. (1997) N. Engl. J. Med. 336 : 347. At present, no vaccine is available for HCV infection.
[18] New treatments and treatments for HCV infection are needed. Accordingly, it is an object of the present invention to provide compounds useful for treating, preventing or alleviating one or more symptoms of hepatitis C.
[19] It is a further object of the present invention to provide a method of treating, preventing or alleviating one or more symptoms of hepatitis C.
[20] It is a further object of the present invention to provide a method for modulating the activity of serine proteases, in particular HCV NS3 / NS4a serine protease, using the compounds provided herein.
[21] Another object of the present invention is to provide a method of modulating the processing of HCV polypeptide using the compounds provided herein.
[22] Summary of the Invention
[23] In many embodiments, the present invention provides a novel class of macrocyclic inhibitors of HCV proteases, pharmaceutical compositions containing one or more of the compounds, methods of making pharmaceutical formulations comprising one or more of the compounds, and hepatitis C. Provided are methods for treating, preventing or alleviating one or more symptoms. Also provided are methods of modulating the interaction of HCV polypeptides using HCV proteases. Among the compounds provided herein, compounds which inhibit HCV NS3 / NS4a serine protease activity are preferred. The compounds described herein generally contain from about 3 or more amino acid residues to less than about 12 amino acid residues.
[24] In a main embodiment, the present invention provides macrocyclic compounds of formula (I)
[25]
[26] In the above formula,
[27] X and Y are alkyl, alkyl-aryl, heteroalkyl, heteroaryl, aryl-heteroaryl, alkyl-heteroaryl, cycloalkyl, alkyl ether, alkyl-aryl ether, aryl ether, alkyl amino, aryl amino, alkyl-aryl amino , Alkyl sulfide, alkyl-aryl sulfide, aryl sulfide, alkyl sulfone, alkyl-aryl sulfone, aryl sulfone, alkyl-alkyl sulfoxide, alkyl-aryl sulfoxide, alkyl amide, alkyl-aryl amide, aryl amide, alkyl sulfonamide, Alkyl-aryl sulfonamide, aryl sulfonamide, alkyl urea, alkyl-aryl urea, aryl urea, alkyl carbamate, alkyl-aryl carbamate, aryl carbamate, alkyl hydrazide, alkyl-aryl hydrazide, alkyl hydroxide Amides, Alkyl-aryl Hydroxamides, Alkyl Sulfonyl, Aryl Sulfonyl, Heteroalkyl Sulfonyl, Heteroaryl Sulfonyl, Alkylcarbonyl, Aryl Carbonyl, Heteroalkyl Car Independently selected from carbonyl, heteroaryl carbonyl, alkoxycarbonyl, aryloxycarbonyl, heteroaryloxycarbonyl, alkylaminocarbonyl, arylaminocarbonyl, heteroarylaminocarbonyl residues, or combinations thereof X and Y are aromatic, alkyl, alkyl-aryl, heteroalkyl, aryl-heteroaryl, alkyl-heteroaryl, cycloalkyl, alkyl ether, alkyl-aryl ether, alkyl sulfide, alkyl-aryl sulfide, alkyl sulfone, alkyl- From the group consisting of aryl sulfone, alkyl amide, alkyl-aryl amide, alkyl sulfonamide, alkyl amine, alkyl-aryl amine, alkyl-aryl sulfonamide, alkyl urea, alkyl-aryl urea, alkyl carbamate and alkyl-aryl carbamate May be optionally optionally substituted by a selected moiety;
[28] R ¹ is COR ⁵ or B (OR) ₂ , and R ⁵ is H, OH, OR ⁸ , NR ⁹ R ¹⁰ , CF ₃ , C ₂ F ₅ , C ₃ F ₇ , CF ₂ R ⁶ , R ⁶ , COR ⁷ , R ⁷ is H, OH, OR ⁸ , CHR ⁹ R ¹⁰ or NR ⁹ R ¹⁰ , and R ⁶ , R ⁸ , R ⁹ and R ¹⁰ are H, alkyl, aryl, heteroalkyl, heteroaryl, cycloalkyl , Cycloalkyl, arylalkyl, heteroarylalkyl, CH (R ^{1 '} ) COOR ¹¹ , CH (R ^1' ) CONR ¹² R ¹³ , CH (R ^{1 '} ) CONHCH (R ^2' ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONR ¹² R ¹³ , CH (R ^{1 '} ) CONHCH (R ^2' ) R ', CH (R ^1' ) CONHCH (R ^{2 '} ) CONHCH (R ^3' ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONR ¹² R ¹³ , CH (R ^1' ) CONHCH (R ^{2 '} ) CONHCH (R ^3' ) CONHCH (R ^{4 '} ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONHCH (R ^4' ) CONR ¹² R ¹³ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONHCH (R ^{4 '} ) CONHCH (R ^5' ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONHCH (R ^4' ) CONHCH (R ^{5 '} ) CONR ¹² R ¹³ R ^{1 '} , R ^2' , R ^{3 '} , R ^4' , R ^{5 '} , R ¹¹ , R ¹² , R ¹³ and R' are H, alkyl, aryl, hete Independently selected from the group consisting of roalkyl, heteroaryl, cycloalkyl, alkyl-aryl, alkyl-heteroaryl, aryl-alkyl and heteroaralkyl;
[29] Z is selected from O, N or CH;
[30] W may be present or absent, and when W is present, W is selected from C═O, C═S or SO ₂ ;
[31] Q can be present or absent, and when Q is present, Q is CH, N, P, (CH ₂ ) _p , (CHR) _p , (CRR ') _p , O, NR, S or SO ₂ , When Q is absent, M is also absent and A is directly linked to X;
[32] A is O, CH ₂ , (CHR) _p , (CHR-CHR ') _p , (CRR') _p , NR, S, SO ₂ or a bond;
[33] E is CH, N or CR, or a double bond to A, L or G;
[34] G may be present or absent, and when G is present, G is (CH ₂ ) _p , (CHR) _p , or (CRR ′) _p , and when G is absent, J is present and E is a carbon atom Is directly connected to, and G is connected thereto;
[35] J can be present or absent, and when J is present, J is (CH ₂ ) _p , (CHR) _p , (CRR ′) _p , SO ₂ , NH, NR or O, and when J is absent, G is present and E is directly linked to N;
[36] L can be present or absent, if L is present, L is CH, CR, O, S or NR, and if L is absent, M can be present or absent and L is present and M is present When M is directly and independently linked to E, J is directly and independently linked to E;
[37] M may be present or absent, and when M is present, M may be O, NR, S, SO ₂ , (CH ₂ ) _p , (CHR) _p , (CHR-CHR ') _p , or (CRR') _p ;
[38] p is a number from 0 to 6;
[39] R, R ', R ² , R ³ and R ⁴ are H; C1-C10 alkyl; C2-C10 alkenyl; C3-C8 cycloalkyl; C3-C8 heterocycloalkyl, alkoxy, aryloxy, alkylthio, arylthio, amino, amido, ester, carboxylic acid, carbamate, urea, ketone, aldehyde, cyano, nitro; Oxygen, nitrogen, sulfur or phosphorus atoms, wherein the number of oxygen, nitrogen, sulfur or phosphorus atoms is 0 to 6; (Cycloalkyl) alkyl and (heterocycloalkyl) alkyl, wherein the cycloalkyl is made from 3 to 8 carbon atoms, 0 to 6 oxygen, nitrogen, sulfur or phosphorus atoms, the alkyl having 1 to 6 carbon atoms ; Aryl; Heteroaryl; Alkyl-aryl; And alkyl-heteroaryl, wherein the alkyl, heteroalkyl, alkenyl, heteroalkenyl, aryl, heteroaryl, cycloalkyl and heterocycloalkyl moieties may be optionally substituted, and the term "substituted "Alkyl", alkenyl, alkynyl, aryl, aralkyl, cycloalkyl, heterocyclic, halogen, hydroxy, thio, alkoxy, aryloxy, alkylthio, arylthio, amino, amido, ester, carboxylic acid, Refers to those optionally substituted by one or more residues selected from the group consisting of carbamate, urea, ketone, aldehyde, cyano, nitro, sulfonamide, sulfoxide, sulfone, sulfonyl urea, hydrazide and hydroxamate do.
[40] Unless stated otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Thus, for example, the term alkyl (including the alkyl portion of alkoxy) refers to monovalent groups derived from straight or branched chain saturated hydrocarbons by removing a single atom having 1 to 8, preferably 1 to 6 carbon atoms. Refer.
[41] Aryl represents carbocyclic groups having 6 to 14 carbon atoms and at least one benzenoid ring, with all available and substitutable aromatic carbon atoms of these carbocyclic groups being considered as possible contact points. Preferred aryl groups are phenyl, 1-naphthyl, 2-naphthyl and indanyl, with phenyl and substituted phenyl being especially preferred.
[42] Aralkyl refers to residues containing aryl groups linked through lower alkyl.
[43] Alkylaryl refers to a moiety containing lower alkyl linked through an aryl group.
[44] Cycloalkyl represents an optionally substituted saturated carbocyclic ring having 3 to 8, preferably 5 or 6 carbon atoms.
[45] Heterocyclics are saturated and unsaturated cyclic organic groups having one or more O, S and / or N atoms that block the carbocyclic ring structure consisting of one ring or two fused rings, in addition to the heteroaryl groups defined below. Wherein each ring is 3 to 9 members, may or may not have a double bond lacking non-local pi electrons, and the ring structure has 2 to 8 carbon atoms, preferably 3 to 6 carbon atoms For example, 2- or 3-piperidinyl, 2- or 3-piperazinyl, 2- or 3-morpholinyl, or 2- or 3-thiomorpholinyl.
[46] Halogen represents fluorine, chlorine, bromine and iodine.
[47] Heteroaryl refers to a cyclic organic group having at least one O, S and / or N atom that blocks the carbocyclic ring structure and having a sufficient number of non-local pi electrons to provide aromatic character, which is an aromatic heterocyclic The group has 2 to 14, preferably 4 or 5 carbon atoms, for example 2-, 3- or 4-pyridyl, 2- or 3-furyl, 2- or 3-thienyl, 2 -, 4- or 5-thiazolyl, 2- or 4-imidazolyl, 2-, 4- or 5-pyrimidinyl, 2-pyrazinyl, 3- or 4-pyridazinyl and the like. Preferred heteroaryl groups are 2-, 3- and 4-pyridyl; Such heteroaryl groups may be optionally substituted.
[48] The present invention also includes tautomers, enantiomers and other optical isomers of the compounds of formula (I) as well as pharmaceutically acceptable salts and solvates thereof.
[49] A further aspect of the invention is a pharmaceutical composition which contains as an active ingredient a compound of formula (I) (or a salt, solvate or isomer thereof) together with a pharmaceutically acceptable carrier or excipient.
[50] The present invention also provides methods of preparing the compounds of formula (I) and methods of treating diseases such as HCV and related diseases. Such methods of treatment include administering to a patient with the disease a therapeutically effective amount of a compound of formula (I) or a pharmaceutical composition comprising such a compound of formula (I).
[51] Also provided is the use of a compound of formula (I) for the manufacture of a medicament for the treatment of HCV and related diseases.
[1] The present invention is directed to novel hepatitis C virus ("HCV") protease inhibitors, pharmaceutical compositions containing one or more such inhibitors, methods of making said inhibitors, and methods of using said inhibitors to treat hepatitis C and related diseases. It is about. The invention relates in particular to novel macrocyclic compounds as inhibitors of HCV NS3 / NS4a serine protease.
[52] In one embodiment, the invention relates to compounds of formula (I) as inhibitors of HCV proteases, in particular HCV NS3 / NS4a serine protease. Among the compounds of formula (I), the preferred compounds are the compounds of formula (II), or pharmaceutically acceptable derivatives thereof:
[53]
[54] In the above formula, various definitions are as set forth above. Some preferred embodiments include, but are not limited to, the following definitions of various functional groups in Formulas I and II above. Thus, for example, R ² in Formula I can be selected from the following residues:
[55]
[56] Residue
[57]
[58] Some preferred representations of for example are the following formulas a, b or c:
[59]
[60] Formula a may be selected from the following non-limiting types of structures:
[61]
[62] Other further preferred embodiments are, for example, residues
[63]
[64] Often represents the following structure, with definitions for various positions being illustrated by the structure of the compounds described below in this section:
[65]
[66] In some preferred embodiments, residues G and J are independently selected from (CH ₂ ) _p , (CHR) _p , (CHR-CHR ′) _p , and (CRR ′) _p , and residue AELMQ has from 2 to 8 carbon atoms , An aromatic ring consisting of 0 to 6 hetero atoms, wherein X and J are in the ortho, para or meta position relative to each other.
[67] In other preferred embodiments, R ³ in formula I is selected from the following structures:
[68]
[69] In the above formula,
[70] R ³⁰ is H, CH ₃ or other alkyl group;
[71] R ³¹ is OH, 0-alkyl, NH ₂ or N-alkyl;
[72] R ³² and R ³³ may be the same or different and are independently selected from H, F, Cl, Br and CH ₃ ;
[73] Residues X-Y are selected from the following structures:
[74]
[75] Some additions and additional integers of the various definitions mentioned above for the compounds of formula (I) are mentioned in the claims herein. They are also represented by various compounds listed in the present specification and claims. Such integers, definitions and limitations are to be regarded as representing the entire invention herein.
[76] Representative compounds of the invention that exhibit excellent HCV protease inhibitory activity are listed below along with their activity [K _i value (nanomol, nM)]. Example numbers refer to numbers for various structures in the example sections presented later in this application.
[77] TABLE 1
[78] HCV protease serial assay results
[79]
[80]
[81]
[82]
[83] HCV Continuous Test Ki * Range:
[84] Category b = 1-100 nM; Category a = 101 nM-100 μM.
[85] Some of the compounds of the present invention and methods of synthesizing various types of compounds of the present invention are listed below and presented in the following schemes, and are illustrated in the Examples.
[86]
[87]
[88]
[89]
[90]
[91]
[92]
[93]
[94]
[95]
[96]
[97]
[98]
[99]
[100]
[101]
[102]
[103]
[104]
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[106]
[107]
[108]
[109]
[110]
[111]
[112]
[113]
[114]
[115]
[116]
[117]
[118]
[119]
[120]
[121]
[122] Depending on the structure, the compounds of the present invention may form pharmaceutically acceptable salts with organic or inorganic acids, or organic or inorganic bases. Examples of suitable acids for forming such salts are hydrochloric acid, sulfuric acid, phosphoric acid, acetic acid, citric acid, oxalic acid, malonic acid, salicylic acid, malic acid, fumaric acid, succinic acid, ascorbic acid, maleic acid, methanesulfonic acid, and other well known to those skilled in the art. Inorganic acids and carboxylic acids. Suitable bases for salt formation with bases are, for example, NaOH, KOH, NH ₄ OH, tetraalkylammonium hydroxide and the like.
[123] In another aspect, the present invention provides a pharmaceutical composition comprising the macrocycle of the present invention as mentioned above as the active ingredient. Such pharmaceutical compositions generally additionally comprise a pharmaceutically acceptable carrier diluent, excipient or carrier (collectively referred to herein as a carrier material). Due to their HCV inhibitory activity, the pharmaceutical compositions are useful for treating hepatitis C and related diseases.
[124] In another aspect, the present invention provides a method of preparing a pharmaceutical composition comprising the macrocycle compound of the present invention as an active ingredient. In the pharmaceutical compositions and methods of the invention, the active ingredient is typically in the intended dosage form, i.e. oral tablet,
[125] Suitable choices for capsules (solid filled, semi solid filled or liquid filled), constituent powders, oral gels, elixirs, dispersible granules, syrups, suspensions and the like and consistent with conventional pharmaceutical practice, It will be administered with a suitable carrier material. For example, in oral dosage forms in the form of tablets or capsules, the active drug component may be incorporated into any oral, nontoxic, pharmaceutically acceptable inert carrier such as lactose, starch, sucrose, cellulose, magnesium stearate. , Dicalcium phosphate, calcium sulfate, talc, mannitol, ethyl alcohol (liquid) and the like. Moreover, if desired, suitable binders, lubricants, disintegrating agents and coloring agents may be incorporated into the mixture. Powders and tablets may comprise about 5 to about 95% of the compositions of the present invention.
[126] Suitable binders include starch, gelatin, natural sugars, corn sweeteners, natural and synthetic gums such as acacia gum, sodium alginate, carboxymethylcellulose, polyethylene glycols and waxes. As lubricants for use in these dosage forms, boric acid, sodium benzoate, sodium acetate, sodium chloride and the like can be mentioned. Disintegrants include starch, methylcellulose, guar gum and the like. Sweetening, flavoring and preservatives may optionally be included. Some of the terms mentioned above, namely disintegrants, diluents, lubricants, binders and the like, are discussed in more detail below.
[127] In addition, the compositions of the present invention may be formulated in sustained release form to provide controlled release of one or more ingredients or active ingredients to optimize therapeutic effects, i. Dosage forms suitable for sustained release include layered tablets containing layers having various disintegration rates or controlled release polymeric matrices impregnated with the active ingredient, and tablets or capsules containing the impregnated or encapsulated porous polymeric matrix. do.
[128] Liquid form preparations include solvents, suspensions and emulsions. As an example, mention may be made of parenteral water for injection or water-propylene glycol solutions, or additions of sweetening and whitening agents for oral solvents, suspensions and emulsions. Liquid form preparations may also include solutions for intranasal administration.
[129] Aerosol formulations suitable for inhalation may include solids and solvents in powder form, which may be combined with pharmaceutically acceptable carriers such as inert compressed gas (eg nitrogen).
[130] To prepare suppositories, low melting waxes, such as mixtures of fatty acid glycerides, for example cocoa butter, are first melted and dispersed homogeneously by stirring or similarly mixing the active ingredients therein. This molten homogeneous mixture is then poured into a mold of conventional size and solidified by cooling.
[131] Also included are solid form preparations which are intended to be converted, shortly before use, to liquid form preparations for oral or parenteral administration. Such liquid forms include solvents, suspensions and emulsions.
[132] Compounds of the invention can also be delivered transdermally. Such transdermal compositions may take the form of creams, lotions, aerosols and / or emulsions and may be included in transdermal patches of the matrix or reservoir type as are conventional in the art for this purpose.
[133] Preferably, the compound is administered orally.
[134] Preferably, the pharmaceutical agent is present in unit dosage form. In this form, the formulation is subdivided into unit doses of suitable size, containing suitable amounts of the active ingredient, eg, an amount effective to achieve the desired.
[135] The amount of active composition of the invention in unit dose formulations is generally from about 1.0 mg to about 1,000 mg, preferably from about 1.0 mg to about 950 mg, more preferably from about 1.0 mg to about 500 mg, typically depending on the particular application. It can be varied or adjusted from about 1 to about 250 mg. The actual dosage used may be determined according to the age, sex, weight of the patient and the severity of the disease to be treated. Such techniques are well known to those skilled in the art.
[136] In general, human oral dosage forms containing the active ingredient may be administered once or twice daily. Dosage and frequency of administration will be adjusted at the discretion of the attending physician. In the case of oral administration, the recommended daily dosage regimen is from about 1.0 mg / day to about 1,000 mg / day in a single dose or divided into several doses.
[137] Some useful terms are described below:
[138] Capsules refer to special containers or enclosures made of methyl cellulose, polyvinyl alcohol, or modified gelatin or starch for holding or containing a composition comprising the active ingredient. Hard shell capsules are typically made of a blend of relatively high gel strength bone and pork skin gelatin. The capsule itself may contain small amounts of dyes, whitening agents, plasticizers and preservatives.
[139] Tablets refer to compressed or molded solid dosage forms containing the active ingredient with suitable diluents. Tablets can be made by compressing a mixture or granulated product obtained by wet granulation, dry granulation or densification.
[140] Oral gels refer to the active ingredient dispersed or solubilized in a hydrophilic semisolid matrix.
[141] Constituent powders refer to powder blends containing the active ingredients and suitable diluents which can be suspended in water or juice.
[142] Diluents refer to substances that typically make up the major part of a composition or dosage form. Suitable diluents include sugars such as lactose, sucrose, mannitol and sorbitol; Starch derived from wheat, corn, rice and potatoes; And cellulose, such as microcrystalline cellulose. The amount of diluent in the composition is about 10 to 90%, preferably about 25 to about 75%, more preferably about 30 to about 60%, even more preferably about 12 to about based on the total weight of the composition May range from 60%.
[143] Disintegrants refer to substances added to the composition to assist in disruptive separation (disintegration) of the medicament to help release it. Suitable disintegrants include starch; "Cold water soluble" modified starches such as sodium carboxymethyl starch; Natural and synthetic gums such as locust bean, karaya, guar, tragacand and agar; Cellulose derivatives such as methylcellulose and sodium carboxymethylcellulose; Microcrystalline cellulose and crosslinked microcrystalline cellulose such as sodium croscarmellose; Alginates such as alginic acid and sodium alginate; Clays such as bentonite; And effervescent mixtures. The amount of disintegrant in the composition may range from about 2 to about 15 weight percent, more preferably from about 4 to about 10 weight percent, based on the total weight of such composition.
[144] A binder refers to a material that binds or "glues" the powders together and makes them adherent by forming granules, thereby acting as an adhesive in the formulation. The binder adds the adhesive strength already available in the diluent or bulk agent. Suitable binders include sugars such as sucrose; Starch derived from wheat, corn, rice and potatoes; Natural gums such as acacia, gelatin and tragatand; Derivatives of seaweeds such as alginic acid, sodium alginate and ammonium calcium alginate; Cellulosic materials such as methylcellulose and sodium carboxymethylcellulose and hydroxypropylmethylcellulose; Polyvinylpyrrolidone; And minerals such as magnesium aluminum silicate. The amount of binder in the composition may range from about 2 to 20% by weight, preferably from about 3 to about 10% by weight, more preferably from about 3 to about 6% by weight, based on the total weight of the composition.
[145] Lubricant refers to a substance added to the dosage form in order to compress the tablets, granules, etc. and then release the formulation from the mold or die by reducing friction or wear. Suitable lubricants include metallic stearates such as magnesium stearate, calcium stearate or potassium stearate; Stearic acid; High melting point waxes; And water soluble lubricants such as sodium chloride, sodium benzoate, sodium acetate, sodium oleate, polyethylene glycol and d'l-leucine. Lubricants are typically added at the very last step before compression, since they must be present on the granule surface and must be present between the granules and the tablet compaction. The amount of lubricant in the composition may range from about 0.2 to 5% by weight, preferably from about 0.5 to about 2% by weight, more preferably from about 0.3 to about 1.5% by weight, based on the total weight of the composition.
[146] A glidant refers to a substance that prevents caking and improves the flow characteristics of the granulate, thereby allowing the flow to be smooth and uniform. Suitable lubricants include silicon dioxide and talc. The amount of lubricant in the composition may range from about 0.1 to 5% by weight, preferably from about 0.5 to about 2% by weight, based on the total weight of the composition.
[147] Colorants are excipients that color the composition or dosage form. Such excipients may include food grade pigments and food grade pigments adsorbed onto suitable adsorbents such as clay or aluminum oxide. The amount of such colorant may range from about 0.1 to 5% by weight, preferably from about 0.1 to about 1% by weight, based on the total weight of the composition.
[148] Bioavailability refers to the rate and extent at which an active drug component or therapeutic moiety is absorbed into the systemic circulation from the administered dosage form, as compared to a standard or control.
[149] Conventional methods of making tablets are known. Suitable methods include dry methods such as direct compression and compaction of granules produced by densification, or wet methods or other special procedures. Conventional methods of preparing other dosage forms, such as capsules, suppositories, and the like, are also well known.
[150] Another aspect of the invention relates to the use of a pharmaceutical composition as described above for treating a disease such as hepatitis C. The method comprises administering a therapeutically effective amount of the pharmaceutical composition of the present invention to a patient in need of the treatment having the disease (s).
[151] As mentioned above, the present invention also includes tautomers, enantiomers and other stereoisomers of the compounds. Thus, as is known to those skilled in the art, some of the compounds of the present invention may exist in isomeric forms. Such variants are also considered to be within the scope of the present invention.
[152] Another aspect of the invention relates to a process for the preparation of the macrocyclic compounds described herein. Such compounds can be prepared by several techniques known in the art. An example of a representative method is shown in the following scheme. The following exemplary scheme describes a process for preparing macrocycles derived primarily from 4-cis-hydroxyproline ("cis-HYP") or 7-hydroxytetrahydroisoquinoline-3-carboxylic acid ("TIC"). Although, it should be appreciated that any suitable substitution of both natural and non-natural amino acids may form the desired macrocycle based on such substitution.
[153] The abbreviations used in the description of the following schemes, preparation methods and examples are as follows:
[154] THF: tetrahydrofuran
[155] DMF: N, N-dimethylformamide
[156] EtOAc: ethyl acetate
[157] AcOH: acetic acid
[158] HOOBt: 3-hydroxy-1,2,3-benzotriazine-4 (3H) -one
[159] EDCl: 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride
[160] NMM: N-methylmorpholine
[161] ADDP: 1,1 '-(Azodicarboville) dipiperidine
[162] DEAD: diethylazodicarboxylate
[163] MeOH: Methanol
[164] EtOH: Ethanol
[165] Et ₂ O: diethyl ether
[166] Bn: Benzyl
[167] Boc: tert-butyloxycarbonyl
[168] Cbz: benzyloxycarbonyl
[169] Cp: cyclopentyldienyl
[170] Ts: p-toluenesulfonyl
[171] Me: methyl
[172] PyBrOP: Tris (pyrrolidino) bromophosphonium hexafluorophosphate
[173] DMSO: Dimethyl Sulfoxide
[174] TFA: trifluoroacetic acid
[175] HOBt: hydroxybenzotriazole
[176] Winigss base: diisopropylethyl amine
[177] BOP: Benzotriazol-1-yloxytris (dimethylamino) phosphonium hexafluorophosphate
[178] LDA: lithium diisopropyl amide
[179] Ph ₃ P: triphenyl phosphine
[180] LAH: lithium aluminum hydride
[181] DMAP: 4-dimethyl aminopyridine
[182] DCC: dicyclohexylcarbodiimide
[183] MCPBA: meta-chloroperbenzoic acid
[184] BINAP: 2,2'-bis (diphenylphosphino) -1,1'-binaftol
[185] MeCN: acetonitrile
[186] Pr: profile
[187] Ac: Acetyl
[188] Ph: phenyl.
[189] General Manufacturing Schemes:
[190] Method for preparing a compound of formula 1h, wherein R ¹ , R ² , R ³ are as defined above, R 'is alkyl, heteroalkyl (OR ", SR"', NR "R"'(where R "and R ″ 'is an alkyl group)), a halo substituent at the ortho, meta or para position for an oxygen atom; R is an alkyl, aryl, or alkylaryl group; n is 0 to 5; X is (CH ₂ ) _m (where m is 0-5), oxygen atom, NY (where Y is hydrogen atom, alkyl, aryl group); PG ¹ and PG ² are suitable protecting groups (PG ¹ is t-boc, cbz and PG ² is H, Bn, etc.) is shown in Scheme 1. Protected 4-hydroxyproline acid la is alkylated at the 4-position with alkyl bromide in the presence of sodium hydride. The product 1b is then converted to esters using alcohol under acidic conditions, or with trimethylsilyldiazamethane. After deprotection, the resulting amine is coupled with Boc-protected amino acids in the presence of HOOBt, EDCl.HCl and NMM. After removing the Boc group from product 1d, the dipeptide is reacted with substituted hydroxyphenyl acetic acid using the same coupling conditions. Catalytic hydrogenation of benzyl ether yields a precursor for macrocyclization. This macrocyclization is achieved under Mitsunobu conditions by using triphenylphosphine and ADDP [Mitsunobu reactions are described by DL Hughes, Org.Reactions, 42 (1992) 335, John Wiley & Sons, New York , L. Paquette, ed.). The ester is hydrolyzed with lithium hydroxide to give an acid which is then coupled with the amine intermediate to give 1 h.
[191]
[192] A process for the preparation of the compound of formula 2e, wherein R ¹ , R ² , R ³ , R and R ′ are as defined above, is shown in Scheme 2. The protected 3,4-dehydroproline 2a is diastereoselectively dehydroxylated to afford cis-diol 2b. In the presence of a catalytic amount of p-toluenesulfonic acid, acetal formation between 2b and aldehydes can be achieved. This bicyclic proline derivative 2c is converted to macrocyclic ester 2d and then to HCV inhibitor 2e in the order shown in Scheme 1.
[193]
[194] A process for the preparation of the compound of formula 3f, wherein R ¹ , R ² , R ³ , R, R ′ and n are as defined above, is shown in Scheme 3. When treated with trifluoroboron diethyl etherate, the protected 4-hydroxyproline 3a and alkene 3b are converted to proline ether 3c, and the conversion process in the same sequence as shown in Scheme 1 is carried out. Click ester 3e is obtained, then the desired final product 3f is obtained.
[195]
[196] A process for the preparation of the compound of formula 4f, wherein R ¹ , R ² , R ³ , R and n are as defined above, is shown in Scheme 4. In the presence of NMM, HOOBt and EDCl.HCl, a coupling reaction between amino ester 4a and Boc-protected amino acids is realized. After removing the Boc group from 4b, the dipeptide is coupled to the terminal alkene carboxylic acid to give 4c. The double bond is then converted to alcohol via a boron hydride addition reaction. Macrocyclization of phenol alcohols is achieved by using triphenylphosphine and ADDP under Mitsunobu conditions. The resulting ester 4e is hydrolyzed with lithium hydroxide to give an acid, which is then coupled with an amine intermediate to give 4f.
[197]
[198] Process for preparing a compound of formula 5h, wherein R, R ² , R ³ , R 'are as defined in Scheme 1, R ⁴ is alkyl, cycloalkyl, aryl, heteroaryl, and heteroalkyl and R ⁵ is OR, NR ₂ or OH] is shown in Scheme 5. Compound 5b is obtained by Witig reacting 5a with tert-butyl phosphonoacetate and NaH. Compound is converted to 5c by treating 5b with MCPBA. Further opening of epoxide 5c with NaN ₃ gave compound 5d, which was reduced to Pd / C / H ₂ to give an amine, and Cbz protected using Cbz-Cl, Et ₃ N to give the compound of formula 5e. To obtain. This compound 5e is deprotected with TFA and further treated to give 5F. 5f of Cbz group was then hydrolyzed and then coupled with the compound of formula 1g using EDCl, HOOBt, NMM to give 5g. A compound of type 5 g is oxidized with Dess-Martin reagent to produce the compound of formula 5h.
[199]
[200] The compound of formula 6m is synthesized as shown in Scheme 6, wherein R ¹ , R ² , R 'and n are as defined in Scheme 1, R ⁶ is alkyl, aryl, ester, carboxylic acid and carboxyamide. Compounds of type 6b are synthesized from 6a by witig olefining with Ph ₃ PCH ₃ I and BuLi. Compound 6b is further aminohydroxylated to synthesize a compound of type 6c, which is reduced with Rh / C and H ₂ to yield a compound of type 6d. Compound 6d is oxidized with RuCl ₃ and H ₅ IO ₆ to obtain a compound of type 6e. Compound 6e is treated to yield Compound 6i by coupling Compound 6e with deprotected 6h using NMM, EDCl and HOOBt. Compound 6i is extended to 6j by coupling deprotected 6i and suitably substituted phenyl acetic acid using EDCl, HOOBt and NMM. Compound 6k obtained after the hydrolysis of the benzyl group in 6j was closed using Mitsunobu conditions to give 6 l. Further treatment of 6l as shown in Scheme 1 yields a compound of type 6m.
[201]
[202]
[203] Aren ruthenium chemistry is used to synthesize compounds of type 7d, wherein substituents R ¹ , R ² , R ³ , R ′ are as defined in Scheme 1 and n is 0-3. Compounds of formula 7b are synthesized from compounds of type 7a by EDCl, HOBt, Winigs base coupling. 7b is treated with Cs ₂ CO ₃ and ruthenium is decomposed photochemically to convert a compound of type 7b to type 7c, which is further treated as described in Scheme 1 to give compound 7d.
[204]
[205] Process for the preparation of the compound of formula 8e wherein R ¹ , R ² , R ³ are as defined above, R 'is alkyl, heteroalkyl (OR ", SR"', NR "R"', wherein R "and R ″ 'is an alkyl group)), a halo substituent at the ortho, meta or para position for an oxygen atom; R is an alkyl, aryl, or alkylaryl group; n is 0 to 5; X is (CH ₂ ) _m where m is 0 to 5, an oxygen atom, NY (where Y is a hydrogen atom, alkyl, an aryl group) is shown in Scheme 8. Protected cis-4-hydroxyproline derivative 8a is converted to brosylate (Bs = 4-bromobenzenesulfonyl) derivative 8b which is transposed to the appropriate mercaptoalcohol under sodium hydride conditions to give 8c. The conversion to macrocyclic ester 8d and then to the desired target 8e is accomplished by carrying out as shown in Scheme 1.
[206]
[207] Process for preparing a compound of formula 9d, wherein R ¹ , R ² , R ³ are as defined above, R 'is alkyl, heteroalkyl (OR ", SR"', NR "R"'(where R "and R ″ 'is an alkyl group)), a halo substituent at the ortho, meta or para position for an oxygen atom; R is an alkyl, aryl, or alkylaryl group; n is 0 to 5; X is (CH ₂ ) _m where m is 0 to 5, an oxygen atom, NY where Y is a hydrogen atom, an alkyl, an aryl group; LG is a leaving group (eg OTs, Br)] is shown in Scheme 9. Formation of 1d (which is described in Scheme 1) converts protected 4-hydroxyproline derivative 1a to 9a. The benzyl ether is removed and then converted to the appropriate leaving group and the N protecting group elucidated to provide 9b. Treatment with sodium carbonate / sodium iodide in reflux acetone converts to macrocyclic ester 9c. Subsequent treatment as shown in Scheme 1 yields the desired target 9d.
[208]
[209] Method for preparing a compound of formula 10e, wherein R ¹ , R ² , R ³ are as defined above, R 'is alkyl, heteroalkyl (OR ", SR"', NR "R"'(where R "and R ″ 'is an alkyl group)), a halo substituent at the ortho, meta or para position for an oxygen atom; R is an alkyl, aryl, or alkylaryl group; n and q are all combinations of 0 to 5; V is an oxygen atom, NY, wherein Y is a hydrogen atom, an alkyl, an aryl group; W is alkyl, aryl, alkylaryl, heteroaryl; PG ¹ and PG ² are suitable protecting groups (PG ¹ is t-boc, cbz and PG ² is H, Bn, etc.). Protected 4-hydroxyproline derivative 1a is converted to 10b as shown in Scheme 1. Removal of protective group 10c and subsequent treatment with phosgene equivalents yields macrocyclic ester 10d. Perform as shown in Scheme 1 to convert to target 10e of interest.
[210]
[211] Process for the preparation of a compound of formula 11g wherein R ¹ , R ² and R ³ are as defined above; R is an alkyl, aryl, or alkylaryl group; X is (CH ₂ ) _m , (CH ₂ ) _m O, (CH ₂ ) _m NY, wherein m is 0 to 5 and Y is a hydrogen atom, an alkyl, an aryl group; A is a hydrogen atom or a suitably located halogen atom; PG ¹ is a suitable protecting group (PG ¹ is t-boc, cbz, etc.) is shown in Scheme 11. The protected 4-aminoproline derivative 11a is converted to 11b by treating with a suitable benzenesulfonyl chloride and base. The protecting group is removed and coupled with the protected amino acid derivative to yield 11c. Using a similar deprotection, coupling strategy, this is converted to 11d. Palladium (O) catalyzed ring closure is carried out to give 11e as a mixture of isomers which are hydrogenated to give macrocyclic ester 11f. Subsequent conversion to the desired target 11 g as shown in Scheme 1.
[212]
[213] Process for the preparation of a compound of formula 12d wherein R ¹ , R ² , R ³ are as defined above; R is an alkyl, aryl, or alkylaryl group; n is 0 to 5; X is (CH ₂ ) _m where m is 0 to 5, an oxygen atom, NY where Y is a hydrogen atom, an alkyl, an aryl group; A is a hydrogen atom or a suitably located halogen atom; PG ¹ and PG ² are suitable protecting groups (PG ¹ is t-boc, cbz and PG ² is H, Bn, etc.). Protected 4-aminoproline derivative 11a is converted to 11c as shown in Scheme 11. Performed as shown in Scheme 1, 11c is converted to macrocyclic ester 12c, which is subsequently converted to the desired target 12d.
[214]
[215] Preparation of Intermediates:
[216] Intermediate A:
[217] Step 1:
[218]
[219] Triethylamine (93 ml, 0.667 mol) in a stirred solution of 1-nitrobutane (16.5 g, 0.16 mol) and glyoxylic acid (28.1 g, 0.305 mol) in H ₂ O and MeOH (122 ml) at 0-5 ° C. Add dropwise over 2 hours. The solution is warmed to room temperature, stirred overnight and concentrated to dryness to afford an oil. This oil is then dissolved in H ₂ O, acidified to pH 1 with 10% HCl and extracted with EtOAc. The combined organic solutions are washed with brine, dried over Na ₂ SO ₄ , filtered and concentrated to dryness to afford product ii (28.1 g, 99% yield).
[220] Step 2:
[221]
[222] To a stirred solution of starting material ii (240 g, 1.35 mol) in acetic acid (1.25 L) is added 10% Pd / C (37 g). The resulting solution is hydrogenated at 59 psi for 3 hours and then at 60 psi overnight. The acetic acid is then evaporated and azeotropic three times with toluene and then polished with MeOH and ether. The solution is then filtered and azeotroduced twice with toluene to give a gray solid (131 g, 0.891 mol, 66%).
[223] Step 3:
[224]
[225] To a stirred solution of amino acid iii (2.0 g, 13.6 mmol) in dioxane (10 ml) and H ₂ O (5 ml) at 0 ° C. is added 1N NaOH solution (4.3 ml, 14.0 mmol). The resulting solution is stirred for 10 minutes, then di-t-butyldicarbonate (0.110 g, 14.0 mmol) is added and stirred at 0 ° C. for 15 minutes. The solution is then warmed to room temperature, stirred for 45 minutes, kept in the refrigerator overnight, and then concentrated to dryness to afford crude material. To a solution of the crude material in EtOAc (100 ml) and ice is added KHSO ₄ (3.36 g) and H ₂ O (32 ml) and stirred for 4-6 minutes. The organic layer was then separated and the aqueous layer was extracted twice with EtOAc, the combined organic layers were washed with water, brine, dried over Na ₂ SO ₄ and then concentrated to dryness to give the product a clear gum (3.0 g, 89%). Yield).
[226] Step 4:
[227]
[228] To a stirred solution of starting material (3.00 g, 12.0 mmol) in DMF (15 ml) and CH ₂ Cl ₂ (15 ml) at −20 ° C., HOOBt (1.97 g, 12.0 mmol), N-methyl morpholine (4.0 ml, 36.0 mmol) and EDCl (2.79 g, 14.5 mmol) were added, stirred for 10 minutes and then HCl.H ₂ N-Gly-OBn (2.56 g, 13.0 mmol) was added. The resulting solution is stirred at −20 ° C. for 2 hours, then kept in the refrigerator overnight, concentrated to dryness and diluted with EtOAc (150 ml). The EtOAc solution was then washed twice with saturated NaHCO ₃ , H ₂ O, 5% -H ₃ PO ₄ , brine, dried over Na ₂ SO ₄ , filtered and concentrated to dryness to give the product (4.5 g, 94 %) Is obtained. LRMS m / z MH ⁺ = 395.1.
[229] Step 5:
[230]
[231] A solution of starting material v (7.00 g, 17.8 mmol) in anhydrous ethanol (300 ml) is stirred at room temperature under hydrogen atmosphere in the presence of Pd-C (300 mg, 10%). The reaction progress is monitored by TLC. After 2 hours, the mixture is filtered over a pad of celite and the resulting solution is concentrated in vacuo to yield product vi (5.40 g, quant.). LRMS m / z MH ⁺ = 305.1.
[232] Step 6:
[233]
[234] Dimethylamine hydrochloride (1.61 g, 19.7 mmol), N-Boc-phenylglycine (4.50 g, 17.9 mmol), HOOBt (3.07 g, 18.8) in dry DMF (200 ml) and CH ₂ Cl ₂ (150 ml) at −20 ° C. mmol) and EDCl (4.12 g, 21.5 mmol) were added NMM (5.90 ml, 53.7 mmol). After stirring for 30 minutes at this temperature, the reaction mixture is kept overnight in the freezer (18 hours). It is then warmed to rt and EtOAc (450 ml), brine (100 ml) and 5% H ₃ PO ₄ (100 ml) are added. After separating the layers, the organic solution was washed with 5% H ₃ PO ₄ (100 ml), saturated aqueous sodium bicarbonate solution (2 × 150 ml), water (150 ml) and brine (150 ml), dried (MgSO ₄ ) and filtered And then concentrated in vacuo to afford crude product viii (4.86 g) as a white solid which is used without further purification.
[235] Step 7:
[236]
[237] N-Boc-phenylglycine dimethylamide viii (4.70 g, crude) is dissolved in 4N HCl (60 ml, 240 mmol) and the resulting solution is stirred at room temperature. The progress of this reaction is monitored by TLC. After 4 hours, the solution is concentrated in vacuo to give a white solid which is used in the next step without further purification. LRMS m / z MH ⁺ = 179.0.
[238] Step 8:
[239]
[240] The desired compound x is prepared according to the coupling procedure described in step 4. LRMS m / z MH ⁺ = 465.1.
[241] Step 9:
[242]
[243] Following the procedure described in step 7, the desired intermediate A is prepared from tripeptide x. LRMS m / z MH ⁺ = 365.1.
[244] Intermediate B:
[245] Step 1:
[246]
[247] The desired product xii is obtained by the procedure described for intermediate A, step 8 using commercially available xi as coupling partner. This crude material is pure enough for further study. A portion of this product is purified by flash chromatography using 97/3 dichloromethane / MeOH.
[248]
[249] Step 2:
[250]
[251] The desired product B is obtained by the procedure described for intermediate A, step 7. This crude material is used without further purification.
[252] Intermediate C:
[253] Step 1:
[254]
[255] Except for replacing dimethylamine with methylamine, the desired compound xiii is prepared similar to the coupling procedure described in step 6 for intermediate A.
[256] Step 2:
[257]
[258] Following the procedure described in step 7 for intermediate A, the desired compound xiv is prepared from xiii.
[259] Step 3:
[260]
[261] Except for replacing amine ix with amine xiv, following the coupling procedure described in step 6 for intermediate A, the desired compound xv is prepared. LRMS m / z MH ⁺ = 451.1.
[262] Step 4:
[263]
[264] Following the procedure described in step 7 for intermediate A, the desired intermediate C is prepared. LRMS m / z MH ⁺ = 351.1. It is used without further purification.
[265] Intermediate D:
[266]
[267] Following the procedure described in step 7 for intermediate A, the desired intermediate D is prepared from compound v. It is used without further purification.
[268] Intermediate E:
[269] Step 1:
[270]
[271] To a solution of xvi (5 g) in dichloromethane (20 ml) is added TFA (20 ml) and stirred at ambient temperature for 4 hours. Another portion of TFA (10 ml) is added and left to stand for another 3 hours. All volatiles are evaporated and dried in vacuo to give a quantitative yield of xvii. It is additionally accompanied by this substance. (Note: Starting material xvi is obtained by similar protocol as described for B, using nitropentane as precursor).
[272] Step 2:
[273]
[274] By the method described for intermediate A, step 3, the desired compound xviii is obtained. Sodium carbonate is used as base instead of NaOH. Accompany crude material xviii without further purification.
[275] Step 3:
[276]
[277] To a cold (-20 ° C) solution of xviii (4.8 g, 10.7 mmol) in dichloromethane / DMF (4/1, 25 ml), dimethylamine hydrochloride (959 mg, 11.77 mmol), diisopropylethylamine (4.2 ml, 24.1 mmol) and BOP (6.14 g, 13.89 mmol) are added. It is left overnight at -8 ° C. The reaction mixture is diluted with dichloromethane and washed with 10% citric acid solution, saturated NaHCO ₃ solution and brine. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. The residue is purified by flash column chromatography using 97.5 / 2.5 dichloromethane / MeOH to give 2.4 g (47% yield) of xix.
[278]
[279] Step 4:
[280]
[281] By the procedure described for intermediate A, step 7, the desired product E is obtained. This crude material is used without further purification.
[282] Intermediate F:
[283] Step 1:
[284]
[285] To a cold (0 ° C.) solution of xx (20.0 g, 86.5 mmol) in benzene (300 ml) and MeOH (50 ml) trimethylsilyl diazomethane (2M in hexane, 56 ml, 112 mmol) when the solution remained yellow Drop by. The reaction mixture is concentrated to give 21 g (99% yield) of xxi, which is pure enough to further entail.
[286]
[287] Step 2:
[288]
[289] In a mechanically stirred cold (about 5 ° C.) mixture of triphenylphosphine (31.97 g, 121.9 mmol) and methanesulfonic acid (7.66 ml, 118.1 mmol) in toluene, DEAD (26.47) while maintaining the reaction mixture below 35 ° C. g, 152 mmol) is added slowly. After the addition was completed, the reaction mixture was cooled to 20 ° C., a solution of xxi (23.71 g, 96.8 mmol) in toluene was added, followed by triethylamine (5.39 ml, 38.7 mmol). The mixture is heated to 70-75 ° C. for 6 hours and cooled to 5-10 ° C. for 1 hour. All solid material is filtered off and the filtrate is washed with 5% KH ₂ PO ₄ solution and brine. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. The residue was flash column chromatographed with 95/5 dichloromethane / EtOAc to give 26 g (83% yield) of xxii.
[290]
[291] Step 3:
[292]
[293] Mesylate xxii (26 g, 80.4 mmol) is dissolved in DMF and all volatiles are evaporated under vacuum. (Warning: Traces of dichloromethane must be removed by this process). Sodium azide (5.75 g, 88.4 mmol) was added to the remaining solution and warmed to 70 ° C. over 5 hours. The reaction mixture is cooled down, diluted with EtOAC and washed with saturated NaHCO ₃ . The organic layer is dried (Na ₂ SO ₄ ) and concentrated to yield 18 g (83% yield) of xxiii, which is pure enough for further study.
[294] Step 4:
[295]
[296] By the procedure described for intermediate A, step 5, the desired product F is obtained. This crude material is used without further purification.
[297] Example 1 Preparation of Compounds of Formulas 1A and 1B
[298]
[299] Step A:
[300]
[301] Sodium hydride (3.5 g, 60% suspension in mineral oil) in a solution of Boc-Hyp-OH (7.0 g, 30.3 mmol) and benzyl 3-bromopropyl ether (7.8 g, 34.0 mmol) in anhydrous DMF (400 ml) at room temperature, 87.5 mmol) and sodium iodide (0.5 g, 3.33 mmol) are added with stirring. The resulting suspension is stirred vigorously overnight at room temperature (18 hours). The reaction is carefully quenched with the slow addition of water (50 ml) and acidified with 6N HCl solution (20 ml). After adding ethyl acetate (800 ml), brine (150 ml) and more water (150 ml), the two layers thus formed are separated and the organic layer is washed with 5% H ₃ PO ₄ ( ₃ × 200 ml). Then, dried over MgSO ₄ , filtered and concentrated in vacuo to give 1b as an oil which is used in step B without further purification.
[302] Step B:
[303]
[304] The acid 1b from step A is dissolved in benzene (25 ml) and methanol (28 ml). To the solution at room temperature is carefully added a solution of trimethylsilyl diazomethane (27 ml, 2.0 M in cyclohexane). After stirring for 1 hour at room temperature, it is concentrated in vacuo to afford methyl ester. Flash chromatography (8-20% EtOAc-CH ₂ Cl ₂ ) affords 1c (5.15 g; 13.1 mmol, 43%, 2 steps) as oil.
[305] Step C:
[306]
[307] Boc-amino methyl ester 1c (5.83 g, 14.8 mmol) is dissolved in 4N HCl in dioxane (80 ml, 320 mmol) and the resulting solution is stirred at room temperature. The progress of this reaction is monitored by TLC. After 5 hours, the solution is concentrated in vacuo and the residue is kept under vacuum overnight to give a white solid which is used for the next coupling reaction without further purification.
[308] Step D:
[309]
[310] In anhydrous DMF (150ml) and CH ₂ Cl ₂ in the amine ester 1d at -20 ℃ (from step 1B), N-Boc- cyclohexyl glycine (4.10g, 14.9mmol), HOOBt ( 2.60g, 15.9mmol) and EDCl ( To a solution of 3.41 g, 17.8 mmol) NMM (6.50 ml, 59.1 mmol) was added. After stirring for 30 minutes at this temperature, the reaction mixture is kept overnight in the freezer (18 hours). It is then stirred in air and warmed to room temperature for 1 hour. EtOAc (450 ml), brine (100 ml) and 5% H ₃ PO ₄ (100 ml) are added. The separated organic solution was washed with 5% H ₃ PO ₄ (100 ml), saturated aqueous sodium bicarbonate solution (2 × 150 ml), water (150 ml) and brine (150 ml), dried over magnesium sulfate, filtered and concentrated in vacuo. Let's do it. Flash chromatography (10-20% EtOAc-CH ₂ Cl ₂ ) affords 1e (6.60 g, 84%, 2 steps) as a white solid.
[311]
[312] Step E:
[313]
[314] Boc-amino methyl ester 1e (6.53 g, 12.3 mmol) is dissolved in 4N HCl (60 ml, 240 mmol) and the resulting solution is stirred at room temperature. The progress of this reaction is monitored by TLC. After 4 hours, the solution is concentrated in vacuo and the residue is kept under vacuum overnight to give a white solid which is used for the next coupling reaction without further purification.
[315]
[316] Step F:
[317]
[318] Amine 1f (from step 1D), 3-hydroxy phenylacetic acid (1.90 g, 12.5 mmol), HOOBt (2.10 g, 12.9 mmol) and EDCl in dry DMF (250 ml) and CH ₂ Cl ₂ (100 ml) at −20 ° C. Add NMM (4.20 ml, 38.2 mmol) to a solution of (2.85 g, 14.9 mmol). After stirring for 30 minutes at this temperature, the reaction mixture is kept overnight in the freezer (18 hours). It is then stirred in air and warmed to room temperature for 1 hour. EtOAc (500 ml), brine (100 ml) and 5% H ₃ PO ₄ (100 ml) are added. The separated organic solution was washed with 5% H ₃ PO ₄ (100 ml), saturated aqueous sodium bicarbonate solution (2 × 150 ml), water (150 ml) and brine (150 ml), dried over magnesium sulfate, filtered and concentrated in vacuo. Let's do it. Flash chromatography (10-20% EtOAc-CH ₂ Cl ₂ ) affords 1 g (6.30 g, 11.1 mmol, 90%, 2 steps) as a white solid.
[319]
[320] Step G:
[321]
[322] Carefully add 10% Pd-C (1.5 g) to a solution of 1 g (6.23 g, 11.0 mmol) in ethanol (200 ml) at room temperature under nitrogen. The resulting suspension is vigorously stirred at room temperature under hydrogen for 23 hours. After careful filtering, the solution is concentrated in vacuo. Flash chromatography (2-5% MeOH-CH ₂ Cl ₂ ) affords 1 h (4.54 g, 9.92 mmol, 87%) as colorless oil.
[323]
[324] Step H:
[325]
[326] A solution of 1 h (4.50 g, 9.43 mmol) and ADDP (6.60 g, 26.2 mmol) in anhydrous CH ₂ Cl _{2 is} bubbled with argon for 20 minutes through a frit glass bubbler. Triphenylphosphine (4.10 g, 16.3 mmol) was added to the solution at 0 ° C. After 20 minutes of stirring at 0 ° C., a second portion of triphenylphosphine (3.40 g, 13.5 mmol) is added. The solution is then warmed to room temperature and stirred overnight (24 hours) under nitrogen until TLC indicates complete consumption of starting material. After removal of the solvent in vacuo, the residue is partially purified by flash chromatography (1-2% MeOH in CH ₂ Cl ₂ ) to give a mixture of macrocycle 1i and triphenylphosphine oxide.
[327]
[328] Step I:
[329]
[330] An aqueous lithium hydroxide solution (0.45 g in 30 ml H ₂ O) is added to a 0 ° C. solution of methyl ester 1i in THF (30 ml) and methanol (30 ml). The mixture is stirred in an ice bath and with it warmed to room temperature for 4 hours. The progress of this reaction is monitored by TLC. After the volatiles were removed in vacuo, EtOAc (150 ml) and water (30 ml) were added and the two layers were separated. The aqueous solution is extracted again with CH ₂ Cl ₂ (150 ml), and then acidified to pH 1. EtOAc (200 ml) is then added and the aqueous solution is saturated with solid sodium chloride. After separating the layers, the aqueous layer is extracted with EtOAc (2 x 150 ml). The organic solutions are combined, dried over magnesium sulfate, filtered and concentrated in vacuo to give 1j (1.45 g, 3.26 mmol, 35%, 2 steps) as a pale yellow foam.
[331]
[332] Step J:
[333]
[334] Acid 1j (0.59 g, 1.33 mmol), amine A (H ₂ N-NVa-CH (OH) -CO-Gly-Phg-NMe ₂ in anhydrous DMF (50 ml) and CH ₂ Cl ₂ (50 ml) at −20 ° C. NMM (0.50 ml, 4.55 mmol) was added to a solution of 0.55 g, 1.37 mmol), HOOBt (250 mg, 1.53 mmol) and EDCl (315 mg, 1.64 mmol). After stirring for 30 minutes at this temperature, the reaction mixture is kept in a freezer for 40 hours. Then EtOAc (200 ml), brine (50 ml) and 5% H ₃ PO ₄ (50 ml) are added. The separated organic solution was washed successively with 5% H ₃ PO ₄ (80 ml), saturated aqueous sodium bicarbonate solution (2 × 80 ml), water (80 ml) and brine (80 ml), dried over magnesium sulfate, filtered and vacuum Concentrate under. Flash chromatography (4 to 7.5% MeOH-CH ₂ Cl ₂ ) affords 1k as a white solid as a mixture of four diastereomers (0.59 g, 0.75 mmol, 56%).
[335]
[336] Step K:
[337]
[338] Anhydrous CH ₂ Cl ₂ is added to a mixture of hydroxy amide 1k (0.57 g, 0.72 mmol) and Dess-Martin reagent (0.76 g, 1.8 mmol) at 0 ° C. The resulting white suspension is vigorously stirred at 0 ° C. and warmed to room temperature for 4 hours with an ice bath. Saturated aqueous sodium bicarbonate solution and sodium bisulfite solution (50 ml each) are added and the mixture is vigorously stirred for 10 minutes before the layers are separated. The aqueous solution is extracted (2 x 150 ml). The combined organic solution is dried over magnesium sulfate, filtered and concentrated in vacuo. Flash chromatography (2-4% MeOH-CH ₂ Cl ₂ ) affords two diastereomers 1A (250 mg, 0.32 mmol) and 1B (217 mg, 0.28 mmol, 82% mixed yield) as white solids.
[339] Example 2: Preparation of Compound 2:
[340]
[341] Step A:
[342]
[343] Except for replacing amine A with amine B, the desired compound 2a is prepared according to the method of Example 1, step J. Hydroxy amide is obtained in a 60% yield in the form of a white solid as a mixture of non-separable diastereomers.
[344] Step B:
[345]
[346] According to the method of Example 1, step K, the desired ketoamide is prepared from hydroxy amide 2a. The product is obtained in 78% yield in the form of a white solid as a mixture of inseparable diastereomers.
[347]
[348] Example 3: Preparation of a Compound of Formula 3
[349]
[350] Step A:
[351]
[352] A solution of t-butyl ester 2 (26 mg, 0.032 mmol) in trifluoroacetic acid (2 ml) and CH ₂ Cl ₂ (2 ml) is stirred at room temperature for 3 hours. After the volatiles were removed in vacuo, the residue was dissolved in 50% MeOH-CH ₂ Cl ₂ and dried under vacuum to give a gray solid (24 mg, 0.032 mmol, quantitative).
[353]
[354] Example 4: Preparation of Compounds of Formulas 4A and 4B
[355]
[356]
[357] Step A:
[358]
[359] The desired product 4a is obtained by the method described for Example 1, step A. The crude material per se is involved in the next step.
[360] Step B:
[361]
[362] The desired product 4b is obtained by the method described for Example 1, step B. This material was purified by flash column chromatography using 80/20 to 75/25 hexanes / ethyl acetate to give 4b as a colorless oil in 50% yield.
[363] Step C:
[364]
[365] The desired compound 4c is prepared by the protocol described for Example 1, step C. The crude material per se is involved in the next step.
[366] Step D:
[367]
[368] The desired product 4d is obtained by the method described for Example 1, step D. The material after the workup is pure enough to be involved in the next step.
[369]
[370] Step E:
[371]
[372] The desired product 4e is obtained by the method described for Example 1, step E. This crude material per se involves the next step.
[373] Step F:
[374]
[375] The desired product 4f is obtained by the method described for Example 1, step F. This material was purified by flash column chromatography using 80/20 to 60/40 dichloromethane / ethyl acetate to give 4f in 85% yield.
[376]
[377] Step G:
[378]
[379] 4 g of the desired product are obtained by the method described for Example 1, step G. The crude material per se is involved in the next step.
[380]
[381] Step H:
[382]
[383] The desired product 4h is obtained by the method described for Example 1, step H. This material is purified by column chromatography using 99/1 dichloromethane / methanol to give 4h with triphenylphosphine oxide. This mixture is taken to the next step.
[384] Step I:
[385]
[386] The desired product is obtained by the method described for Example 1, step I. Yield of 4i (for stage 2) = 24%.
[387]
[388] Step J:
[389]
[390] Synthese the expected product 4j as described above for Example 1, Step J. The material after the workup is pure enough to be involved in the next step.
[391]
[392] Step K:
[393]
[394] The desired products 4A and 4B are obtained by the oxidation protocol described for Example 1, Step K. Purification by flash column chromatography using 100/0 to 99/1 dichloromethane / methanol yields separate isomers 4A and 4B, and some mixtures. Combined yield = 34% (for stage 2).
[395]
[396] Example 5: Preparation of Compound 5:
[397]
[398] Step A:
[399]
[400] Synthese expected product 5a as described above for Example 2, Step A. The material after the workup is pure enough to be involved in the next step.
[401]
[402] Step B:
[403]
[404] The desired product 5 is obtained by the oxidation protocol described for Example 1, step K. Purification by flash column chromatography using 99/1 dichloromethane / methanol affords 5 in 31% yield (for step 2) as a mixture of diastereomers.
[405]
[406] Example 6: Preparation of Compound 6:
[407]
[408] Step A:
[409]
[410] The expected product 6 is synthesized in quantitative yield as described above for Example 3, Step A.
[411]
[412] Example 7: Preparation of Compounds 7A and 7B:
[413]
[414] Step A:
[415]
[416] According to the procedure of Example 1, step A, target compound 7a is prepared from 1c. This crude product is used in step B without further purification.
[417] Step B:
[418]
[419] According to the procedure of Example 1, step B, target compound 7b is prepared from 7a.
[420] Step C:
[421]
[422] According to the procedure of Example 1, step C, target compound 7c is prepared from 7b. This product is used in step D without further purification.
[423] Step D:
[424]
[425] According to the procedure of Example 1, step D, the desired compound 7d is prepared from 7c.
[426] Step E:
[427]
[428] According to the procedure of Example 1, step E, target compound 7e is prepared from 7d. This product is used in step F without further purification.
[429] Step F:
[430]
[431] According to the procedure of Example 1, step F, the desired compound 7f is prepared from 7e.
[432] Step G:
[433]
[434] According to the procedure of Example 1, step F, 7 g of the desired compound is prepared from 7f.
[435] Step H:
[436]
[437] A solution of 7 g (830 mg, 1,79 mmol) and ADDP (1.36 g, 5.39 mmol) in phenol alcohol in anhydrous CH ₂ Cl ₂ (200 ml) was bubbled with argon for 20 minutes through a frit glass bubbler. Triphenylphosphine (1.41 g, 5.38 mmol) was added to the solution at 0 ° C. After stirring for 20 minutes at 0 ° C., the solution is allowed to warm to room temperature and stirred overnight (20 hours) under argon. After removal of the solvent in vacuo, the residue was purified by flash chromatography (1-3% MeOH in CH ₂ Cl ₂ ) to give a mixture of the desired product 7h and triphenylphosphine oxide, which was followed by step I without further purification. Used for
[438] Step I:
[439]
[440] According to the procedure of Example 1, step I, target compound 7i was prepared from 36h in 36% yield (step 2).
[441] Step J:
[442]
[443] According to the procedure of Example 1, step J, the desired compound 7j is prepared from 7i and A in 56% yield.
[444] Step K:
[445]
[446] According to the procedure of Example 1, step K, target compounds 7A and 7B are prepared from 7j.
[447] Example 8: Preparation of Compound of Formula 8:
[448]
[449] Step A:
[450]
[451] Except for replacing amine A with amine B, the desired compound 8a is prepared according to the method of Example 1, step J. The product is obtained in a yield of 57% in the form of a white solid as a mixture of non-separable diastereomers.
[452] Step B:
[453]
[454] According to the method of Example 1, step K, target compound 8 was prepared from 8a in 72% yield.
[455] Example 9 Preparation of a Compound of Formula 9:
[456]
[457] Step A:
[458]
[459] According to the method of Example 3, step A, the desired compound 9 is prepared quantitatively from 8.
[460] Example 10 Preparation of Compounds of Formulas 10A and 10B
[461]
[462] Step A:
[463]
[464] Triethylamine (28.68 ml, 204 mmol) was slowly added to a 0 ° C. solution of 10a (10 g, 41 mmol) in dichloromethane (60 ml). Then 4-bromobenzenesulfonyl chloride (20.91 g, 82 mmol) and DMAP (several crystals) are added and the temperature is kept at 0 ° C. for 30 minutes. The reaction mixture is allowed to stand overnight in the refrigerator (about 5 ° C.) and then slowly warmed to ambient temperature over 2 hours. At this time, the TLC analysis showed that the starting material was consumed completely. The reaction mixture is diluted with dichloromethane and washed with saturated sodium bicarbonate solution and 10% aqueous citric acid solution. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. The crude mixture is purified by flash column chromatography using 100/0 to 95/5 dichloromethane / ethyl acetate to give 18.4 g (97% yield) of brosylate 10b as a white solid.
[465]
[466] Step B:
[467]
[468] To a suspension of sodium hydride (60% dispersion in mineral oil, 187 mg, 4.68 mmol) in DMF at 0 ° C. is added 3-mercaptopropanol (0.42 ml, 4.85 mmol) under an argon atmosphere. The mixture is stirred for 30 minutes while maintaining at this temperature. A solution of 10b (1.5 g, 3.23 mmol) of brosylate in DMF (10 ml total volume) is added slowly and the mixture is allowed to warm to ambient temperature over 2 hours. The reaction is quenched by pouring into a cold 10% citric acid solution. The aqueous layer is extracted with ethyl acetate and the organic layer is dried (Na ₂ SO ₄ ) and concentrated. The crude was purified by flash column chromatography using 85/15 dichloromethane / ethyl acetate to give 800 mg (78% yield) of sulfide 10c as an oil.
[469]
[470] Step C:
[471]
[472] The desired compound 10d is prepared by the protocol described for Example 1, step C. Reaction conditions are 0 degreeC and 1 hour. This material per se involves the next step.
[473] Step D:
[474]
[475] The desired compound 10e is prepared by the method described for Example 1, step D. The coupling reaction is carried out at -8 ° C for 2 days. After workup, product 10e is sufficiently pure by TLC to give 80% yield.
[476]
[477] Step E:
[478]
[479] The desired compound 10f is prepared by the protocol described for Example 1, step E. This material per se involves the next step.
[480] Step F:
[481]
[482] 10 g of the target compound are prepared by the procedure described for Example 1, step F. The crude product was purified by flash column chromatography using 98/2 dichloromethane / methanol to give 10 g as a white solid in 40% yield.
[483]
[484] Step G:
[485]
[486] The desired compound 10h is prepared by the protocol described for Example 1, step G. The crude product is suspended in 80/20 ethyl acetate / hexanes and the solid material is filtered off. The filtrate is concentrated and purified by flash column chromatography using 80/20 hexanes / acetone to give 10 h in 22% yield as a solid.
[487]
[488] Step H:
[489]
[490] As described for Example 1, step H, advanced intermediate 10i is synthesized in quantitative yield as a white solid.
[491]
[492] Step I:
[493]
[494] The desired compound 10j is prepared in quantitative yield as a pale yellow solid as described above for Example 1, Step I. The material obtained after workup is pure enough to be further manipulated by TLC analysis.
[495]
[496] Step J:
[497]
[498] To a solution of 10j (180 mg, 0.22 mmol) in dichloromethane, DMSO (0.313 ml, 4.4 mmol), DCC (908 mg, 4.4 mmol) and dichloroacetic acid (36.4 μl, 0.44 mmol) were added sequentially. The reaction mixture is stirred overnight at ambient temperature. It is quenched by addition of 5% aqueous citric acid solution (5 ml) and MeOH (1 ml) and stirred for 30 minutes. The solid material is filtered off and the filtrate is washed with saturated sodium bicarbonate solution and brine. The organic layer is dried over Na ₂ S0 ₄ and the solvent is removed in vacuo. The crude material is purified by flash column chromatography using 100/0 to 98/2 dichloromethane / methanol to yield 105 mg (60%) of 10A and 10B as a mixture of diastereomers. A portion (36 mg) of this mixture was again column chromatographed to give pure isomer 10A (more polar, white solid, 8 mg) and pure isomer 10B (less polar, white solid, 6 mg) [the rest is mixture].
[499]
[500] Example 11 Preparation of a Compound of Formula 11
[501]
[502] Step A:
[503]
[504] To a cold (0 ° C.) solution of 10 h (200 mg, 0.42 mmol) in dichloromethane (10 ml) is added MCPBA (60%, 364 mg, 1.26 mmol). This reaction mixture is slowly warmed to ambient temperature over 16 hours. The reaction mixture is diluted with dichloromethane and washed with saturated sodium bicarbonate and sodium bisulfite solution. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. Purification by flash column chromatography using 98/2 dichloromethane / methanol affords 11a (138 mg, 65% yield).
[505]
[506] Step B:
[507]
[508] The expected product 11b is synthesized in 90% yield as a white solid as described above for Example 1, Step I.
[509]
[510] Step C:
[511]
[512] The desired compound 11c is prepared in quantitative yield as described above for Example 1, Step J. The material obtained after workup is pure enough to be further manipulated by TLC analysis.
[513]
[514] Step D:
[515]
[516] The desired product 11 is obtained by the oxidation protocol described for Example 1, step K. This material was purified by flash column chromatography using 98/2 dichloromethane / methanol to afford 11 in 4% yield (2 steps).
[517]
[518] Example 12 Preparation of a Compound of Formulas 12A and 12B
[519]
[520] Step A:
[521]
[522] The desired product 12a is obtained by the method described for Example 1, Step D using N-Boc-tert-butylglycine as the coupling partner. This material was purified by flash column chromatography using 90/10 dichloromethane / ethyl acetate to give 12a in 73% yield.
[523]
[524] Step B:
[525]
[526] The desired compound 12b is prepared by the protocol described for Example 1, step E. This material per se involves the next step.
[527] Step C:
[528]
[529] The desired compound 12c is prepared by the procedure described for Example 1, step F. The material was purified by flash column chromatography using 99/1 dichloromethane / methanol to give 12c in 91% yield.
[530]
[531] Step D:
[532]
[533] By the procedure described for Example 1, step G, the desired product 12d is obtained. The product obtained after filtration off the catalyst is pure enough for subsequent operation.
[534]
[535] Step E:
[536]
[537] By the procedure described in Example 1, step H, the desired product 12e is obtained. This crude material is suspended in ethyl acetate / hexanes (approximately 1/1) and the undissolved solid material is filtered off. This process is repeated once more and the filtrate is concentrated and applied on the column as a dichloromethane solution. This column is eluted with 75/25 hexanes / acetone to give 12e in 29% yield.
[538]
[539] Step F:
[540]
[541] As described for Example 1, Step I, advanced intermediate 12f is synthesized in quantitative yield.
[542]
[543] Step G:
[544]
[545] Synthesize 12 g of the expected product as described above for Example 1, Step J. The material obtained after workup is pure enough to be involved in the next step.
[546]
[547] Step H:
[548]
[549] The desired products 12A and 12B are obtained by the oxidation protocol described for Example 1, Step K. Purification by flash column chromatography using 98/2 to 96/4 dichloromethane / methanol yields separate isomers 12A and 12B, and some mixtures. Combined yield = 57% (for stage 2).
[550]
[551] Example 13: Preparation of Compounds of Formulas 13A and 13B:
[552]
[553] Step A:
[554]
[555] Synthese the expected product 13a as described above for Example 1, Step J. The material after the workup is pure enough to be involved in the next step.
[556]
[557] Step B:
[558]
[559] The desired products 13A and 13B are obtained by the oxidation protocol described for Example 1, Step K. Purification by flash column chromatography using 100/0 to 96/4 dichloromethane / methanol yields separate isomers 13A and 13B, and some mixtures. Combined yield = 50% (for stage 2).
[560]
[561] Example 14 Preparation of Compound 14
[562]
[563] Step A:
[564]
[565] A solution of vinyl benzoic acid 14a (10 g, 68 mmol) in anhydrous benzene (150 ml) was treated with di-tert-butylacetal (69 g, 340 mmol, 5.0 equiv) of DMF and heated to reflux for 4 hours. The reaction mixture is concentrated in vacuo and diluted with aqueous NaOH (1M, 300 ml). The reaction mixture is extracted with diethyl ether (3 x 100 ml). The combined organic layers are extracted with aqueous NaOH (1M, 100ml), H ₂ O (2 × 100ml), brine (1 × 100ml), dried (Na ₂ SO ₄ ), filtered and concentrated in vacuo. The residue was distilled off under reduced pressure to yield 9.2 g (66.2%) of 14b as a colorless oil.
[566] Step B:
[567]
[568] A solution of tert-butyl carbamate (5.96 g, 50.9 mmol) in 1-PrOH (68 ml) is treated with aqueous NaOH (128 ml, 0.41 M) and tert-butyl hypochlorite (5.5 g, 50.9 mmol). The reaction mixture is cooled to 0 ° C. and (DHQ) ₂ Phal (780 mg, 1.00 mmol) in 1-PrOH (64 ml) is added. A solution of tert-butyl-4-vinylbenzoate 14b in 1-PrOH (119 ml) was added, followed by K ₂ OsO ₄ H ₂ O (248 mg, 0.7 mmol) and the reaction mixture at 0 ° C. for 4-5 h. Stir. The reactants are green and all starting material disappears as new products are formed. The reaction mixture is concentrated in vacuo, the residue is diluted with H ₂ O (300 ml) and extracted with EtOAc (3 × 100 ml). The combined organic layers were extracted with aqueous HCl (200 ml), brine (100 ml), dried (Na ₂ SO ₄ ), filtered, concentrated in vacuo and purified by chromatography (SiO ₂ , EtOAc / hexane 1: 2). 14c is obtained as a colorless solid (4.6 g, 82%).
[569]
[570] Step C:
[571]
[572] A solution of aromatic compound 14c (1.0 g, 2.96 mmol) in CH ₃ OH (20 ml) was treated with Rh / C (10% w / w 100 mg) and hydrogenated for 2 days (60 psi). The reaction mixture is filtered through a plug of celite and the residue is concentrated in vacuo to give 14d. The crude product is purified by chromatography (SiO ₂ , EtOAc / Hex 2: 3) to give cis compound 14d (830 mg, 83%), which is further purified by crystallization from hexane.
[573]
[574] Step E:
[575]
[576] A solution of amino alcohol 14d (3.3 g, 11.08 mmol) in anhydrous THF (200 mL) was cooled to -78 ° C (dry ice / acetone, internal temperature -68 ° C), LDA (44 mL, 2M solution in heptane, 88 mmol, 8.0 Equivalent weight). The reaction mixture is stirred at −78 ° C. for 2 hours and quenched with CH ₃ OH (20 ml). The reaction mixture is treated with aqueous HCl (150 ml, 1M) and extracted with ether (3 × 100 ml). The combined ether layers are extracted with brine (50 ml), dried (MgSO ₄ ), concentrated in vacuo and then purified by crystallization from boiling hexane. The solids isolated from the mother liquor are mainly cis stereoisomers and the mother liquor is concentrated to give pure trans isomers. The reaction sequence was repeated two more times to yield 2.7 g of trans compound and 600 mg of cis / trans mixture.
[577]
[578] Step F:
[579]
[580] A solution of alcohol 14e (2.6 g, 7.6 mmol) in CH ₃ CN (150 mL) and CCl ₄ (150 mL) was treated with H ₂ O (22 mL), cooled to 0 ° C., periodioic acid (7.05 g, 30.92 mmol) , 4.0 equiv) and RuCl ₃ .3H ₂ O (60 mg, 0.3 mmol, 4 mol%). The reaction mixture is stirred at rt for 3 h and then concentrated in vacuo. The residue is diluted with water (150 ml) and extracted with EtOAc (3 x 100 ml). The combined organic layers are extracted with H ₂ O (100 ml) and aqueous NaOH (1 M, 3 × 100 ml). The combined aqueous layers are acidified with HCl (6M, pH about 1) and extracted with EtOAc (3 × 100 ml). The ethyl acetate layers were combined, extracted with brine (100 ml), dried (Na ₂ SO ₄ ), filtered and concentrated in vacuo to give acid 14f (1.8 g, 66%) which was added without further purification. Used for coupling.
[581]
[582] Step G:
[583]
[584] A solution of Boc-trans-4-tert-butylcarboxyl-cyclohexylglycine 14f (1.9 g, 5.3 mmol) in CH ₂ Cl ₂ (30 ml) was treated with proline compound 1d (1.92 g, 5.85 mmol, 1.1 equiv) and 0 Cool to ° C. The reaction mixture is treated with Winigs base (1.51 g, 11.7 mmol, 2.2 equiv, 2.15 ml), followed by the addition of BOP reagent (2.6 g, 5.85 mmol, 1.1 equiv). The reaction mixture is stirred at rt for 12 h, diluted with aqueous HCl (1M, 100 ml) and extracted with EtOAc (3 × 100 ml). The combined ethyl acetate layers were extracted with aqueous NaOH (1 M, 100 ml) and brine (100 ml), dried (Na ₂ SO ₄ ), filtered and concentrated in vacuo, chromatography (SiO ₂ , EtOAc / hexane 2: 3) to give 14 g as colorless foam (1.8 g, 54%).
[585]
[586]
[587] Step H:
[588]
[589] A solution of 14 g (1.8 g) of Boc-trans-4-tert-butylcarboxycyclohexyl glycine in HCl (4M solution in dioxane, 60 ml) is stirred at room temperature for 4-5 hours. The reaction was subjected to TLC (EtOAc / Hex 3: 7) to see if the starting material disappeared and the baseline product appeared. The reaction mixture is concentrated in vacuo and the residue is dried in a pump overnight. Solid 14h is used in the coupling reaction without further purification.
[590] Step I:
[591]
[592] A solution of 3-hydroxyphenylacetic acid 14i (501 mg, 3.29 mmol, 1.8 equiv) and amine hydrochloride 14 h (1.79 g, 2.99 mmol) in anhydrous CH ₂ Cl ₂ (30 ml) was Winigs base (850 mg, 6.59 mmol, 2.20 Equivalent, 1.2 ml) and BOP reagent (1.5 g, 3.29 mmol, 1.1 equiv) were treated at 0 ° C. and stirred at room temperature for 24 h. The reaction mixture is concentrated in vacuo and diluted with aqueous HCl (1M, 250 ml). The aqueous layer is extracted with EtOAc (3 x 100 ml). The combined organic layers are extracted with aqueous NaOH (1 × 100 ml) and brine (1 × 100 ml), dried (Na ₂ SO ₄ ), filtered and concentrated in vacuo, chromatography (EtOAc / hexanes 1: 1). Purification to give 14j as a colorless solid (710 mg, 36%).
[593] Step J:
[594]
[595] A solution of coupled compound 14j (710 mg, 1.1 mmol) in CH ₃ OH (50 ml) was treated with Perlmans catalyst (10% Pd (OH) ₂ / C) and hydrogenated for 12 hours (H ₂ , 40 psi). Pd / C is filtered through a plug of celite and the filtrate is concentrated and used for the next ring closure reaction without further purification. R _f 0.12 (acetone / hexane 3: 7);
[596]
[597]
[598] Step K:
[599]
[600] A solution of alcohol 14k (600 mg, 1.05 mmol) and ADDP (787 mg, 3.12 mmol, 3.0 equiv) in CH ₂ Cl ₂ (30 mL) was dissolved in Ph ₃ P (818 mg, 3.12 mmol, 3.0 at 0 ° C. under positive pressure of anhydrous N ₂ . Equivalent weight). The reaction mixture is stirred at rt for 24 h, concentrated in vacuo and the residue is purified by chromatography (SiO ₂ , acetone / hexane 2: 3) to give 14 l (120 mg, 22%) of a colorless solid of the cyclic product. ; R _f 0.73 (acetone / hexane 1: 1);
[601]
[602] Step L:
[603]
[604] A solution of 14 l (120 mg, 0.22 mmol) of methyl ester in THF (5.0 ml) and H ₂ O (1.0 ml) is treated with LiOH (20 mg, 0.5 mmol, 2.0 equiv). The reaction mixture is stirred at rt for 3 h, CH ₃ OH (1.0 ml) is added and stirred for 1 h more. The reaction mixture is stirred with HCl (4.0 M in dioxane, 1 ml), concentrated in vacuo and lyophilized water to give 14 m of a colorless solid which is used for the next coupling reaction.
[605] Step M:
[606]
[607] A solution of 14m (110 mg, 0.21 mmol) of carboxylic acid in DMF (3.0 ml) and CH ₂ Cl ₂ (5.0 ml) was collected from Winigs base (109 mg, 0.84 mmol, 4.0 equiv., 155.0 μl) and HOOBt (52 mg, 0.315 mmol, 1.5 Equivalent weight). The reaction mixture is cooled to 0 ° C. and treated with EDCl (61 mg, 0.31 mmol, 1.5 equiv). The reaction mixture is stirred at 0 ° C. and treated with amine hydrochloride A after 30 minutes. The reaction mixture is stirred at rt for 24 h and concentrated in vacuo to remove DMF and CH ₂ Cl ₂ . The residue is diluted with aqueous HCl (100 ml) and extracted with CH ₂ Cl ₂ (3 × 75 ml). The combined organic layers are extracted with aqueous NaOH (1M, 3 × 50 ml) and brine (100 ml) and concentrated in vacuo. The residue 14n (79 mg) is oxidized without further purification.
[608] Step N:
[609]
[610] A solution of alcohol 14n (79 mg, 88 μmol) in CH ₂ Cl ₂ (4.0 ml) is treated with Dess-Martin reagent (110 mg, 0.25 mmol, 2.5 equiv). The reaction mixture is stirred for 3 hours at room temperature and the mixture is concentrated in vacuo. The residue is purified by chromatography (SiO ₂ , acetone / hexane 1: 1) to give oxidized product 14 (29 mg, 38%) as a colorless solid.
[611]
[612] Example 15: Preparation of Compound 15
[613]
[614] Step A:
[615]
[616] A solution of tert-butyl ester 14 (20.0 mg, 22.0 μmol) is treated with TFA / CH ₂ Cl ₂ (1: 1, 4 ml) and stirred at room temperature for 4 hours. The disappearance of the ester to baseline is monitored by TLC (CH ₃ OH / CH ₂ Cl ₂ 1:24). After completion of deprotection, the reaction mixture is concentrated in vacuo, the residue is treated repeatedly with CH ₂ Cl ₂ / hexanes and concentrated to give a white solid 15 (19 mg, 100%).
[617]
[618] Example 16: Preparation of Compound 16
[619]
[620] Step A:
[621]
[622] According to the procedure of Example 14, step F, target compound 16a was prepared from 14d in 70% yield. It is used in the coupling reaction without further purification.
[623]
[624] Step B:
[625]
[626] According to the procedure of Example 14, step G, target compound 16b was prepared from 16a in 41% yield.
[627]
[628] Step C:
[629]
[630] According to the procedure of Example 14, step H, target compound 16c is prepared from 16b. It is used without further purification.
[631] Step D:
[632]
[633] According to the procedure of Example 14, step I, target compound 16d was prepared from 16c in 41% yield.
[634]
[635]
[636] Step E:
[637]
[638] According to the procedure of Example 14, step J, target compound 16e is prepared from 16d. It is used without further purification.
[639] Step F:
[640]
[641] According to the procedure of Example 14, step K, the desired compound 16f was prepared in 20% yield from 16e.
[642]
[643] Step G:
[644]
[645] According to the procedure of Example 14, step H, 16 g of the desired compound is prepared from 16f. It is used without further purification.
[646] Step H:
[647]
[648] According to the procedure of Example 14, step L, the desired compound 16h is prepared from 16 g and A. It is used without further purification.
[649] Step I:
[650]
[651] According to the procedure of Example 14, step N, the desired compound 16 was prepared in 16% yield as a colorless solid from 16h.
[652]
[653] Example 17: Preparation of Compound 17
[654]
[655] Step A:
[656]
[657] According to the procedure of Example 15, step A, target compound 17 is quantitatively prepared from 16.
[658]
[659] Example 18 Preparation of a Compound of Formula 18
[660]
[661] Step A:
[662]
[663] A solution of tert-butoxycarbonyl anhydride (7.2 g, 33 mmol) in dioxane (100 ml) in 18a cold (0 ° C.) slurry in dioxane (100 ml), water (100 ml) and saturated sodium bicarbonate (100 ml). Add. The reaction mixture is slowly warmed to ambient temperature over 6 hours. The reaction mixture is concentrated in vacuo. The residue is diluted with water and extracted with diethyl ether (2 x 150 ml). The ether layer is decanted off. The aqueous layer is slowly acidified with solid citric acid (pH about 4) and extracted with ethyl acetate (3 x 150 ml). The organic layer is dried (Na ₂ SO ₄ ) and concentrated in vacuo to give 18b (14.6 g, 61% yield) as a white foam.
[664] Step B:
[665]
[666] To a 80 ° C. solution of 18b (14.6 g, 54.68 mmol) in toluene (230 ml) was added dropwise DMF-di-tert-butyl acetal (53 ml, 218.72 mmol) over 2 hours. After the addition is complete, the reaction mixture is kept at the same temperature for 1 hour. It is then cooled to ambient temperature and concentrated. The residue is purified by flash column chromatography using 96/4 to 90/10 dichloromethane / ethyl acetate to afford the desired compound 18c (7.53 g, 43% yield).
[667]
[668] Step C:
[669]
[670] To a cold (0 ° C.) solution of 18c (7.5 g, 23.33 mmol) in dichloromethane (100 ml) was added triethylamine (7.12 ml, 51.08 mmol), followed by the dropwise addition of trif anhydride (4.30 ml, 25.54 mmol). The reaction mixture is slowly warmed to ambient temperature over 4 hours. It is quenched with saturated bicarbonate solution and extracted with dichloromethane. The combined organic layers are washed with saturated bicarbonate and brine, dried (Na ₂ SO ₄ ) and concentrated. The brown residue is purified by flash column chromatography with dichloromethane to give 7.74 g (73% yield) of 18d.
[671] Step D:
[672]
[673] In an oven dried flask, THF (75 ml, preoxygenated by bubbling argon), palladium acetate (74 mg, 0.33 mmol), R-(+)-BINAP (311 mg, 0.495 mmol), and cesium carbonate (5.38 g) 16.5 mmol) is added under argon atmosphere. To this mixture is added 18d (5.0 g, 11 mmol) followed by diphenylketimine (2.77 ml, 16.5 mmol). The flask is flushed with argon and then heated to reflux for 12 hours (overnight). The reaction mixture is cooled to ambient temperature and diluted with ether (500 ml). The organic layer is washed with saturated ammonium chloride solution (2 × 300 ml), dried (Na ₂ SO ₄ ) and concentrated. Purification by flash chromatography using 100/0 to 90/10 dichloromethane / ethyl acetate gives the desired product 18e (3.58 g) in 67% yield.
[674] Step E:
[675]
[676] To a solution of 18e (3.0 g, 6.17 mmol) in methanol (62 ml) was added sodium acetate (1.218 g, 14.8 mmol) and hydroxylamine hydrochloride (0.774 g, 11.11 mmol). The reaction mixture is stirred at ambient temperature for 3 hours. The reaction mixture is concentrated, diluted with dichloromethane and washed with 0.1N NaOH solution. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. Purification by flash column chromatography using 95/5 to 92/8 dichloromethane / ethyl acetate yields 18f (1.31 g) in 66% yield.
[677] Step F:
[678]
[679] To a cold (-20 ° C.) solution of dichloromethane (2 ml) is added chlorosulfonylisocyanate (0.16 ml, 1.87 mmol). To this was added tert-butanol (0.18 ml, 1.87 mmol) in dichloromethane (2 ml) and warmed slowly to 0 ° C. over 2.5 h. At this time, a solution of 18f (0.6 g, 1.87 mmol) in dichloromethane (6 ml) containing triethylamine (0.52 ml, 3.73 mmol) was added dropwise. The reaction mixture is allowed to warm to ambient temperature over 12 hours (overnight). Saturated bicarbonate and dichloromethane are added, the organic layer is separated, dried (Na ₂ SO ₄ ) and concentrated. Purification by flash chromatography using 95/5 to 90/10 dichloromethane / ethyl acetate yields 18 g (0.59 g) in 63% yield.
[680] Step G:
[681]
[682] Synthesize expected product 18h as described above for Example 1, Step C. The material itself is involved in the next step.
[683] Step H:
[684]
[685] Synthese expected product 18i as described above for Example 1, Step D. The crude material is purified by flash chromatography using 98/2 to 90/10 dichloromethane / methanol to give 18i in 34% yield.
[686] Step I:
[687]
[688] Synthese expected product 18j as described above for Example 1, Step C. The material itself is involved in the next step.
[689] Step J:
[690]
[691] Synthese the expected product 18k as described above for Example 1, Step J. The material after the workup is pure enough to be involved in the next step.
[692] Step K:
[693]
[694] By the oxidation protocol described above for Example 1, Step K, the desired product 18 is obtained. Purification by flash column chromatography using 98/2 to 92/8 dichloromethane / MeOH affords 11 as a mixture of diastereomers in 13% yield (2 steps).
[695] Example 19 Preparation of a Compound of Formula 19
[696]
[697] Step A:
[698]
[699] As described above for Example 3, Step A, Prospective Compound 19 is synthesized in quantitative yield.
[700] Example 20 Preparation of the Compounds of Formulas 20A and 20B
[701]
[702] Step A:
[703]
[704] By the method described for Example 1, step F, the desired product 20a was obtained. The material is purified by flash column chromatography using 98/2 dichloromethane / methanol to give 20a in 97% yield.
[705]
[706] Step B:
[707]
[708] By the method described for Example 1, step G, the desired product 20b is obtained. The material is purified by flash column chromatography using 98/2 to 96/4 dichloromethane / methanol to give 20b in 81% yield.
[709]
[710] Step C:
[711]
[712] By the method described for Example 1, step H, the desired product 20c was obtained. The material is purified by column chromatography using 99/1 dichloromethane / methanol to give 20c with triphenylphosphine oxide. This mixture is taken to the next step.
[713]
[714] Step D:
[715]
[716] By the method described for Example 1, step I, the desired compound 20d is obtained. Yield of 20d (step 2) = 23%.
[717]
[718] Step E:
[719]
[720] As described above for Example 1, Step J, the expected product 20e is synthesized. The material after the workup is pure enough to be involved in the next step.
[721] Step F:
[722]
[723] By the oxidation protocol described above for Example 1, Step K, the desired products 20A and 20B are obtained. The material is flash column chromatographed with 100/0 to 98/2 dichloromethane / methanol to yield the separate isomers 20A and 20B, and some mixtures. Combined yield = 50% (for stage 2).
[724]
[725] Example 21 Preparation of a Compound of Formula 21
[726]
[727] Step A:
[728]
[729] As described above for Example 2, Step A, the expected product 21a is synthesized. The material after the workup is pure enough to be involved in the next step.
[730] Step B:
[731]
[732] By the oxidation protocol described above for Example 2, step B, the desired product 21 is obtained. The material is purified by flash column chromatography using 100/0 to 98/2 dichloromethane / methanol to give 21 in 38% yield.
[733]
[734] Example 22 Preparation of a Compound of Formula 22:
[735]
[736] Step A:
[737]
[738] As described above for Example 3, Step A, the expected product 22 is synthesized in quantitative yield.
[739]
[740] Example 23 Preparation of a Compound of Formula 23
[741]
[742] Step A:
[743]
[744] According to the method of Example 1, step J, target compound 23a was prepared in 1 1 and D in 58% yield.
[745] Step B:
[746]
[747] According to the method of Example 1, step K, target compound 23 is prepared from 23a in 79% yield.
[748] Example 24 Preparation of a Compound of Formula 24
[749]
[750] Step A:
[751]
[752] A solution of benzyl ester 23 (80 mg, 0.11 mmol) in ethanol (30 ml) and methanol (15 ml) is stirred for 3 hours at room temperature under hydrogen in the presence of palladium on carbon (50 mg). The reaction progress is monitored by TLC. After carefully filtering through a pad of celite, the solvent is removed in vacuo to yield a white solid (67 mg, quantitative).
[753] Example 25 Preparation of a Compound of Formula 25
[754]
[755] Step A:
[756]
[757] Except for replacing amine A with benzyl amine, the desired compound 25 is prepared from 24 according to the method of Example 1, step J in 53% yield.
[758] Example 26 Preparation of the Compounds of Formulas 26A and 26B
[759]
[760] Step A:
[761]
[762] To a cold (0 ° C.) solution of 26a (4.0 g, 20 mmol) in THF / MeCN (35/5 ml) add 4-nitrophenyl chloroformate (4.86 g, 24 mmol) followed by pyridine (1.9 ml, 24 mmol). . The reaction mixture is allowed to warm to ambient temperature over 4.5 hours. Monitor the reaction until 26a is consumed (need two more reagents need to be added). The reaction is quenched by addition of water, the organics are separated, washed with brine, dried (Na ₂ SO ₄ ) and evaporated in vacuo to afford product 26b. This material is pure enough for further analysis.
[763] Step B:
[764]
[765] To a solution of 1f (2.3 g, 5.1 mmol) in dichloromethane / DMF (25/5 ml) at 0 ° C. add 26b (2.24 g, 6.1 mmol), followed by triethylamine (0.86 ml, 6.1 mmol). Several imidazole crystals are added and the reaction mixture is stored at −8 ° C. for 16 hours. The reaction mixture is diluted with dichloromethane, washed with saturated sodium bicarbonate and 10% aqueous citric acid solution, dried (Na ₂ SO ₄ ) and evaporated under vacuum. The crude material was flash column chromatographed with 100/0 to 70/30 dichloromethane / ethyl acetate to give 26c (1.2 g, 38% yield).
[766]
[767] Step C:
[768]
[769] The desired product 26d is obtained by the method described for Example 1, step G. The crude material per se is involved in the next step.
[770]
[771] Step D:
[772]
[773] The desired product 26e is obtained by the method described for Example 1, step H. This material is purified by column chromatography using 99/1 dichloromethane / methanol to give 26e with triphenylphosphine oxide. This mixture is taken to the next step.
[774] Step E:
[775]
[776] The desired product 26f is obtained by the method described for Example 1, step I.
[777]
[778] Step F:
[779]
[780] 26 g of the desired product are obtained by the method described for Example 1, step J. The crude material is purified by flash column chromatography using 98/2 dichloromethane / methanol to give 26 g in 31% yield (3 steps).
[781]
[782] Step G:
[783]
[784] By the method described above for Example 1, step K, the desired products 26A and 26B are obtained. The material is purified by column chromatography using 99/1 to 95/5 dichloromethane / methanol to give 26A (as a mixture) and 26B (pure lower R _f isomer). Combined yield = 25%.
[785] Example 27: Preparation of Compound 27:
[786]
[787] Step A:
[788]
[789] Of Boc-3,4-didehydroproline-OMe (27a, 5.30 g, 23.4 mmol), N-methylmorpholine-N-oxide (4.75 g, 35.1 mmol) in acetone (10 ml) and water (15 ml) at room temperature To the mixture is added a solution of osmium tetraoxide in tert-butanol (2.5% w / w, 3.5 ml, 0.344 mmol). THF is added to the turbid solution until the mixture is nearly homogeneous. After stirring at room temperature overnight, saturated aqueous sodium thiosulfate solution (30 ml) is added and after 10 minutes EtOAc (300 ml) and brine (80 ml) are added. After separating the layers, the aqueous solution is extracted with EtOAc (2 × 100 ml). The organic solutions are combined, dried (MgSO ₄ ), filtered and concentrated in vacuo to afford a dark liquid. Flash chromatography (4-8% MeOH / CH ₂ Cl ₂ ) affords 27b (4.73 g, 18.1 mmol, 77%) as an oil.
[790] Step B:
[791]
[792] P- in a suspension of diol 27b (1.6 g, 6.12 mmol), magnesium sulfate (4.0 g, 33.2 mmol) and 3-benzyloxypropionaldehyde (2.32 g, 13.0 mmol) in anhydrous CH ₂ Cl ₂ (60 ml) at 0 ° C. Toluenesulfonic acid (150 mg, 1.01 mmol) is added. The resulting mixture is stirred vigorously and warmed up to room temperature overnight (18 hours) with an ice bath. Saturated sodium bicarbonate solution (60 ml), water (30 ml) and CH ₂ Cl ₂ (100 ml) are added and the layers are separated. The aqueous solution is extracted with CH ₂ Cl ₂ (2 × 100 ml) and the combined organic solutions are dried (MgSO ₄ ), filtered and concentrated in vacuo to give a colorless oil. Flash chromatography (5-15% EtOAc / CH ₂ Cl ₂ ) affords 27c (2.35 g, 5.57 mmol, 91%) as an oil.
[793] Step C:
[794]
[795] According to the method of Example 1, step C, target compound 27d was prepared from 27c. It is used for the next step without further purification.
[796] Step D:
[797]
[798] According to the method of Example 1, step D, the desired compound is prepared from 27d. Flash chromatography (8-20% EtOAc / CH ₂ Cl ₂ ) affords 27e.
[799] Step E:
[800]
[801] According to the method of Example 1, step E, target compound 27f is prepared from 27e. This is used in the next step without further purification.
[802] Step F:
[803]
[804] According to the method of Example 1, step F, the desired compound is prepared from 27f. Flash chromatography (8-20% EtOAc / CH ₂ Cl ₂ ) afforded 27 g (36%, 4 steps).
[805]
[806] Step G:
[807]
[808] According to the method of Example 1, step G, the desired compound is prepared quantitatively from 27 g. Flash chromatography (3-5% MeOH / CH ₂ Cl ₂ ) affords 27 h as a white solid.
[809]
[810] Step H:
[811]
[812] According to the method of Example 1, step H, the target compound is prepared from 27h. Flash chromatography (3-5% MeOH / CH ₂ Cl ₂ ) affords 27i as a mixture with triphenylphosphine oxide, which is hydrolyzed.
[813] Step I:
[814]
[815] According to the method of Example 1, step I, the desired compound (72%, 2 steps) was prepared from 27i.
[816] Step J:
[817]
[818] According to the method of Example 1, step J, the desired compound is prepared from 27j. Flash chromatography (3-6% MeOH / CH ₂ Cl ₂ ) affords 27k (69%) as a mixture of diastereomers.
[819] Step K:
[820]
[821] According to the method of Example 1, step K, the desired compound is prepared from 27k. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords pure 27A and 27B.
[822] Example 28 Preparation of Compound 28:
[823]
[824] Step A:
[825]
[826] According to the method of Example 2, step A, the desired compound is prepared from 27j. Flash chromatography (3-6% MeOH / CH ₂ Cl ₂ ) affords 28a (50%) as a mixture of inseparable diastereomers.
[827] Step B:
[828]
[829] According to the method of Example 2, step B, the desired compound is prepared from 28a. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords 28A and 28B.
[830] Example 29: Preparation of Compound 29:
[831]
[832] Step A:
[833]
[834] According to the method of Example 3, step A, target compound 29A is prepared from 28A.
[835] Step B:
[836]
[837] According to the method of Example 3, step A, target compound 29B is prepared from 28B.
[838] Example 30 Preparation of Compound 30
[839]
[840] Step A:
[841]
[842] A solution of Cbz-HYP-OMe (30a) (3.0 g, 10.7 mmol) and 4-benzyloxy-2-methyl-1-butene 30b (5.30 g, 30.0 mmol) in anhydrous CH ₂ Cl ₂ (80 ml) at 0 ° C. To this was added trifluoroboron diethyl etherate (0.25 ml, 1.97 mmol). The resulting mixture is stirred overnight at room temperature (18 hours). Saturated sodium bicarbonate solution (30 ml), brine (50 ml) and EtOAc (300 ml) are added and the layers are separated. The aqueous solution is extracted with EtOAc (2 × 100 ml) and the combined organic solutions are dried (MgSO ₄ ), filtered and concentrated in vacuo to give a yellow oil. Flash chromatography (5-20% EtOAc / CH ₂ Cl ₂ ) affords 30c (2.00 g, 4.39 mmol, 41%) as an oil.
[843] Step B:
[844]
[845] According to the procedure of Example 1, step G, the desired compound 30d is quantitatively prepared from 30c.
[846] Step C:
[847]
[848] According to the procedure of Example 1, step D, target compound 30e is prepared from 30d and Boc-cyclohexylglycine-OH. Flash chromatography (3-5% MeOH / CH ₂ Cl ₂ ) affords 30e (61%).
[849] Step D:
[850]
[851] A solution of 30e and 2N HCl in dioxane and EtOAc (1: 1) is stirred at room temperature for 3 hours and then concentrated in vacuo. It is used for the next step without further purification.
[852] Step E:
[853]
[854] According to the procedure of Example 1, step F, 30 g of the target compound was prepared from 30f. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords 30 g (48%, 2 steps).
[855] Step F:
[856]
[857] A mixture of 30 g (700 mg, 1.28 mmol) and potassium carbonate (530 mg, 3.84 mmol) in anhydrous methanol (80 ml) is stirred vigorously at room temperature. The reaction progress is monitored by TLC. After 3 h it is concentrated in vacuo, then EtOAc (200 ml) and water (100 ml) are added and the layers are separated. The aqueous solution is extracted with EtOAc (2 x 100 ml). The organic solutions are combined, dried (MgSO ₄ ), filtered and concentrated in vacuo. The product is used for next step without further purification.
[858] Step G:
[859]
[860] According to the procedure of Example 1, step H, target compound 30i was prepared from 30h.
[861] Step H:
[862]
[863] According to the procedure of Example 1, step I, target compound 30j (23%, 3 steps) was prepared from 30i.
[864] Step I:
[865]
[866] According to the procedure of Example 1, step J, the desired compound is prepared from 30j. Flash chromatography (3-6% MeOH / CH ₂ Cl ₂ ) affords 30k (58%).
[867] Step J:
[868]
[869] According to the method of Example 1, step K, the desired compound 30 is prepared from 30k. Flash chromatography (3-5% MeOH / CH ₂ Cl ₂ ) affords 30 as a mixture of inseparable diastereomers.
[870] Example 31: Preparation of Compound 31:
[871]
[872] Step A:
[873]
[874] According to the procedure of Example 1, step J, the desired compound is prepared from 30j and B. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords 31a (73%).
[875] Step B:
[876]
[877] According to the method of Example 1, step K, the desired compound is prepared from 31a. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords 31 as a mixture of inseparable diastereomers.
[878] Example 32: Preparation of Compound 32:
[879]
[880] Step A:
[881]
[882] According to the procedure of Example 3, step A, target compound 32 is prepared from 31.
[883] Example 33 Preparation of Compound 33:
[884]
[885] Step A:
[886]
[887] A suspension of methyl 3,5-dihydroxyphenylacetate (33a) (5.0 g, 27.4 mmol), methyl iodide (4.6 g, 32.9 mmol), potassium carbonate (5.69 g, 41.2 mmol) in DMF (30 ml) was prepared. Heat to 55 ° C. and stir overnight. After cooling to room temperature, saturated aqueous sodium bicarbonate solution (100 ml) and EtOAc (200 ml) are added and the layers are separated. The aqueous solution is extracted with EtOAc (2 × 100 ml) and the combined organic solutions are dried (MgSO ₄ ), filtered and concentrated in vacuo. Flash chromatography (5-5% MeOH / CH ₂ Cl ₂ ) affords 33b (1.11 g, 29%) as a white liquid.
[888] Step B:
[889]
[890] An aqueous lithium hydroxide solution (0.342 g in 10 ml H ₂ O) is added to a solution of methyl ester 33b in THF (10 ml) and methanol (10 ml) at room temperature. The progress of this reaction is monitored by TLC. After 4 hours, the volatiles are removed in vacuo, EtOAc (150 ml) and water (30 ml) are added, the aqueous solution is acidified to pH 1 and saturated with solid sodium chloride. After separating the layers, the aqueous layer is extracted with EtOAc (2 x 150 ml). The organic solutions are combined, dried over sodium sulphate, filtered and concentrated in vacuo to give 33c (1.6 g).
[891] Step C:
[892]
[893] According to the procedure of Example 1, step F, the desired compound 33d is prepared from 33c and 1f. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords 33d (90%).
[894] Step D:
[895]
[896] According to the procedure of Example 1, step G, target compound 33e was prepared from 33d. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords 33e (56%).
[897] Step E:
[898]
[899] According to the procedure of Example 1, step H, target compound 33f is prepared from 33e. Flash chromatography (2-5% MeOH / CH ₂ Cl ₂ ) affords 33e as a mixture with triphenylphosphine oxide, which is used in the next step without further purification.
[900] Step F:
[901]
[902] According to the procedure of Example 1, step I, 33g (45%, 2 steps) of the target compound were prepared from 33f.
[903] Step G:
[904]
[905] According to the procedure of Example 1, step J, target compound 33h is prepared from 33 g and A.
[906] Step H:
[907]
[908] According to the procedure of Example 1, step K, the desired compound is prepared from 33h.
[909] Example 34: Preparation of Compound 34
[910]
[911] Step A:
[912]
[913] Except for replacing amine A with amine B, the desired compound 34a is prepared according to the method of Example 1, step J. The product is obtained as a mixture of inseparable diastereomers.
[914] Step B:
[915]
[916] According to the method of Example 1, step K, the desired compound is prepared from 34a.
[917] Example 35: Preparation of Compound 35
[918]
[919] Step A:
[920]
[921] Prepare desired compound 35 from 34 according to the method of Example 3, step A.
[922] Example 36: Preparation of Compound 36
[923]
[924] Step A:
[925]
[926] A solution of tert-butyl phosphonoacetate (15.1 g, 50.0 mmol) in dry THF is cooled to 0 ° C., treated with NaH (60%, 2.5 g, 62.5 mmol, 1.25 equiv) and stirred for 20 minutes . The reaction mixture is treated with 2-pentanone (4.3 g, 50 mmol) and stirred at room temperature for 24 hours. The reaction mixture is diluted with aqueous NaHCO ₃ and extracted with ether (3 × 100 ml). The combined ether layers are extracted with brine, dried (MgSO ₄ ), concentrated in vacuo and distilled to give 8.2 g (88%) of 36b (stereochemical ratio 2: 1).
[927] Step B:
[928]
[929] A solution of 36b (5.0 g, 27.1 mmol) was dissolved in dichloroethane, 4,4'-thiobis- (2-tert-butyl-5-methylphenol) (100 mg) and MCPBA (60-80%, 7.76). g, 27.1 mmol) and heated to reflux for 4 hours. The reaction mixture is concentrated in vacuo and the residue is diluted with ether (200 ml). The ether layer is washed twice with saturated aqueous Na ₂ S ₂ O ₃ , aqueous NaOH and brine (100 ml). The reaction mixture is concentrated in vacuo to give 4.2 g (77%) of 36c which is used as such in the next step.
[930] Step C:
[931]
[932] A solution of epoxide (4.0 g, 18.4 mmol) in anhydrous ethanol (100 ml) is treated with NaN ₃ (12 g, 184 mmol) and NH ₄ Cl (9.6 g, 184 mmol) and heated to reflux for 36 h. The reaction mixture is diluted with water and the reaction mixture is extracted with ether (300 ml). The combined organic layers are dried over Na ₂ SO ₄ and then concentrated. The residue is purified by SiO ₂ chromatography (EtOAc / Hex 1:19) to give 1.1 g (28%) of 36d and 731 mg (18%) of 36d 'as a colorless liquid.
[933] Step D:
[934]
[935] Azide 36d (2.1 g, 8.7 mmol) is dissolved in CH ₃ OH (100 ml), treated with Pd / C (50 mg) and then hydrogenated for 24 hours (40 psi). The reaction mixture is filtered through a plug of celite and the filtrate is concentrated in vacuo. The residue is used for the next step without further purification.
[936] A solution of Cbz-Cl (1.48 g, 8.7 mmol, 1.23 ml) is added dropwise to a mixture of amine and Et ₃ N (878 mg, 1.25 ml) in CH ₂ Cl ₂ (30 ml) at −78 ° C. The reaction mixture is warmed to room temperature and concentrated in vacuo. The residue is chromatographed on SiO ₂ (EtOAc / Hex 8: 2) to give 36e (450 mg, 15%) as a colorless solid.
[937] Step E:
[938]
[939] A solution of 36e (450 mg, 1.29 mmol) in CH ₂ Cl ₂ / TFA (10 ml, 1: 1) is stirred at room temperature for 4 hours. The reaction mixture is concentrated in vacuo to give an acid (250 mg) which is used in the next step without further purification.
[940] The acid obtained by hydrolysis of 36e was dissolved in CH ₂ Cl ₂ (10 ml) at −20 ° C., H-glysyl-phenylglycyl-N (CH ₃ ) ₂ (281 mg, 0.93 mmol), HOOBt (208 mg, 1.27 mmol, 1.25 equiv), EDCl (244 mg, 1.27 mmol) and NMM (343 mg, 3.4 mmol, 490 μl). The reaction mixture is stored for 24 hours in the freezer and diluted with aqueous HCl (1M, 50 ml). The reaction mixture is extracted with CH ₂ Cl ₂ (3 × 50 ml). The combined organic layers were extracted with aqueous HCl (1M, 100ml), aqueous NaHCO ₃ (1M, 100ml), brine (100ml), dried (MgSO ₄ ), filtered and concentrated in vacuo, SiO ₂ (acetone / hexane Chromatography on 1: 3) affords 36f (330 mg, 75%) as a colorless solid.
[941] Step F:
[942]
[943] A solution of 36f is dissolved in CH ₃ OH (20 ml) and treated with Pd / C (10 mol%, 20 mg). The reaction mixture will be hydrogenated at 40 psi for 12 hours. The reaction mixture is filtered through a plug of celite and the filtrate is concentrated in vacuo and used directly in the next step.
[944] Step G:
[945]
[946] As described above for Example 1, Step J, the expected product 36h is synthesized. This coupled material is used directly in the next step to synthesize 36A and 36B.
[947] Step H:
[948]
[949] By the oxidation protocol described above for Example 1, Step K, the desired products 36A and 36B are obtained.
[950] Example 37 Preparation of Compound 37:
[951]
[952] Step A:
[953]
[954] To a cold (0 ° C.) solution of F (2.3 g, 9.43 mmol) in dichloromethane (20 ml), triethylamine (3.97 ml, 28.28 mmol), DMAP (water crystals) and 3-bromobenzenesulfonyl chloride (3.61 g, 14.14 mmol) is added. The reaction mixture is allowed to stand overnight in a refrigerator (0-5 ° C.). The reaction mixture is washed with saturated NaHCO ₃ and 10% citric acid solution. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. The residue is purified by flash chromatography using 95/5 to 90/10 dichloromethane / EtOAc to give 2.7 g (62% yield) of 37a.
[955]
[956] Step B:
[957]
[958] The desired product 37b is obtained by the method described for Example 1, step C. The crude material is used for the next step without further purification.
[959] Step C:
[960]
[961] The desired product 37c is obtained in 97% yield by the method described for Example 1, step D. The material after the workup is pure enough to be involved in the next step.
[962] Step D:
[963]
[964] The desired product 37d is obtained by the method described for Example 1, step E. The crude material is used for the next step without further purification.
[965] Step E:
[966]
[967] The desired product 37e is obtained by the method described for Example 1, Step F using pentenoic acid as the coupling partner. The residue is purified by column chromatography using 90/10 to 80/20 dichloromethane / EtOAc to give 37e in 35% yield.
[968]
[969] Step F:
[970]
[971] To a stirred solution of 37e (660 mg, 1.13 mmol) in DMF (10 ml) under nitrogen atmosphere, triethylamine (3.61 ml, 32.77 mmol), potassium carbonate (780 mg, 5.65 mmol), tetrabutylammonium bromide (730 mg, 2.26 mmol) ) And palladium (II) acetate (33 mg, 0.15 mmol) are added. The mixture is heated at 100 ° C. for 2 hours. The reaction mixture is cooled to rt, diluted with EtOAc and washed with 5% phosphoric acid solution. The organic layer is separated, dried (Na ₂ SO ₄ ) and concentrated to give 280 mg (49% yield) of 37f as a mixture of diastereomers. This material is pure enough to be involved in the next step.
[972]
[973] Step G:
[974]
[975] The hydrogenation process described for Example 1, Step G affords 37 g of the desired product in 73% yield. This material is pure enough for further study.
[976]
[977] Step H:
[978]
[979] The desired procedure 37h is obtained in 84% yield by the procedure described for Example 1, step H.
[980]
[981] Step I:
[982]
[983] The expected product 37i is obtained in 90% yield by the procedure described for Example 2, step A. This crude material is pure enough for further study.
[984]
[985] Step J:
[986]
[987] By the oxidation protocol described for Example 2, step B, the desired materials 37A and 37B are synthesized. The residue is purified using 98/2 to 96/4 dichloromethane / MeOH to afford 37A (61%, less polar) and 37B (15%, more polar) as a mixture of diastereomers.
[988]
[989] Example 38: Preparation of Compound 38:
[990]
[991] Step A:
[992]
[993] As described for Example 3, Step A, the desired material 38A is synthesized in 91% yield.
[994] Step B:
[995]
[996] As described for Example 3, Step A, the desired material 38B is synthesized in 83% yield.
[997]
[998] Example 39: Preparation of Compound 39:
[999]
[1000] Step A:
[1001]
[1002] The desired product 39a is obtained by the method described for Example 37, step A using psicil chloride instead of 3-bromobenzenesulfonyl chloride. The residue is purified by column chromatography using 95/5 to 90/10 dichloromethane / EtOAc to give 39a in 75% yield.
[1003]
[1004] Step B:
[1005]
[1006] The desired product 39b is obtained by the method described for Example 1, step C. The crude material is used without purification in the next step.
[1007] Step C:
[1008]
[1009] The desired product 39c is obtained by the method described for Example 1, step D. The residue was purified by column chromatography using 90/10 to 80/20 dichloromethane / EtOAc to give 39c in 68% yield.
[1010]
[1011] Step D:
[1012]
[1013] The desired product 39d is obtained by the method described for Example 1, step E. The crude material is used without purification in the next step.
[1014] Step E:
[1015]
[1016] The desired product 39e is obtained by the method described for Example 1, Step F using pentenoic acid as the coupling partner. The residue was purified by column chromatography using 98/2 dichloromethane / MeOH to give 39e in 76% yield.
[1017] Step F:
[1018]
[1019] The desired product 39f is obtained by the method described for Example 37, step F. The residue was purified by column chromatography using 98/2 dichloromethane / MeOH to give 39f as a mixture of diastereomers in 28% yield.
[1020]
[1021] Step G:
[1022]
[1023] The hydrogenation process described for Example 1, Step G affords 39 g of the desired product in 84% yield. This material is pure enough for further study.
[1024]
[1025] Step H:
[1026]
[1027] The desired product 39h is obtained in quantitative yield by the procedure described for Example 1, step H.
[1028]
[1029] Step I:
[1030]
[1031] The expected product 39i is obtained in 36% yield by the procedure described for Example 2, step A. This crude material is pure enough for further study.
[1032]
[1033] Step J:
[1034]
[1035] By the oxidation protocol described for Example 2, step B, the desired material 39 is obtained. The residue is purified using 98/2 dichloromethane / MeOH to afford 39 as a mixture of diastereomers in 24% yield.
[1036]
[1037] Example 40 Preparation of Compound 40
[1038]
[1039] Step A:
[1040]
[1041] The procedure described for Example 3, Step A affords the desired material 40 in 93% yield as a mixture of diastereomers.
[1042]
[1043] Example 41: Preparation of Compound 41:
[1044]
[1045] Step A:
[1046]
[1047] To a 25 ml addition funnel, benzene (5 ml), DMF (0.32 ml, 4.1 mmol) and thionyl chloride (0.33 ml, 4.5 mmol) are added. After 5 minutes, the two layers separated. The bottom layer is separated and slowly added to a cold (0-5 ° C.) solution of acrylic acid (0.19 ml, 2.8 mmol) in dichloromethane. The mixture is kept at this temperature for 10 minutes. Triethylamine (0.77 ml, 5.5 mmol) is then added followed by 39 d (1.13 g, 2.1 mmol). The reaction mixture is warmed to ambient temperature over 5 hours and quenched with saturated NaHCO ₃ . The organic layer is separated and washed with 5% H ₃ PO ₄ solution and brine. The dichloromethane layer is dried (Na ₂ SO ₄ ) and concentrated. The crude was purified by flash column chromatography using 98/2 dichloromethane / MeOH to give 870 mg (67% yield) of 41a.
[1048]
[1049] Step B:
[1050]
[1051] By the method described for Example 37, step F, the desired product 41b was obtained. The residue is purified using 97/3 dichloromethane / MeOH to afford 41b in 26% yield.
[1052]
[1053] Step C:
[1054]
[1055] The hydrogenation process described for Example 1, Step D affords the desired product 41c in 75% yield. This material is pure enough for further study.
[1056] Step D:
[1057]
[1058] The desired product 41d is obtained by the method described for Example 1, step E. The crude material is used without purification in the next step.
[1059] Step E:
[1060]
[1061] The expected product 41e is obtained in 63% yield by the method described for Example 2, step A. This crude material is pure enough for further study.
[1062] Step F:
[1063]
[1064] By the oxidation protocol described for Example 2, step B, the desired material 41 is obtained. The residue is purified using 98/2 to 95/5 dichloromethane / MeOH to afford 41 in 52% yield as a mixture of diastereomers.
[1065] Example 42: Preparation of Compound 42:
[1066]
[1067] Step A:
[1068]
[1069] The desired procedure 42 is obtained in a quantitative yield as a mixture of diastereomers by the procedure described in Example 3, Step A.
[1070]
[1071] Example 43 Preparation of Compound 43:
[1072]
[1073] Step A:
[1074]
[1075] To a cold (0 ° C.) solution of F (5.4 g, 22.1 mmol) in dichloromethane (50 ml), triethylamine (6.8 ml, 48.6 mmol), DMAP (water crystals) and benzenesulfonyl chloride (3.29 g, 24.1 mmol ) The reaction mixture is allowed to stand overnight in a refrigerator (0-5 ° C.). The reaction mixture is washed with saturated NaHCO ₃ and 10% citric acid solution. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. The residue was purified by flash chromatography using 95/5 dichloromethane / EtOAc to give 5.0 g (59% yield) of 43a.
[1076] Step B:
[1077]
[1078] The desired product 43b is obtained by the method described for Example 1, step C. The crude material is used for the next step without further purification.
[1079] Step C:
[1080]
[1081] By the method described for Example 1, step D, the desired product 43c was obtained. The residue is purified by column chromatography using 99/1 dichloromethane / MeOH to give 43c in 60% yield.
[1082] Step D:
[1083]
[1084] Argon gas is bubbled into a cold (0 ° C.) solution of 43c (1.72 g, 3.28 mmol) in dichloromethane (40 ml) for 20-30 minutes. ADDP (2.5 g, 9.84 mmol) was added followed by triphenylphosphine (2.6 g, 9.84 mmol) and 3-benzyloxypropanol (0.57 ml, 3.61 mmol). The reaction is allowed to warm to ambient temperature and left to stand for 2 days. The reaction mixture is concentrated and Et ₂ O (50 ml) is added. The precipitated solid material is filtered off. This process is repeated twice to remove most of the byproducts. The filtrate was concentrated and purified by flash chromatography using 90/10 to 85/15 dichloromethane / EtOAc to give 330 mg of 43d. The starting material recovered with some triphenylphosphine oxide is again subjected to the above-mentioned conditions to give 420 mg more 43d. Combined yield = 34%.
[1085]
[1086] Step E:
[1087]
[1088] The desired product 43e is obtained by the method described for Example 1, step E. The crude product is used for the next step.
[1089] Step F:
[1090]
[1091] By the protocol described in Example 1, step F, the desired compound 43f is obtained. Purification by flash chromatography using 60/40 to 50/50 dichloromethane / EtOAc provides 43f in quantitative yield.
[1092]
[1093] Step G:
[1094]
[1095] 43 g of the desired product were obtained by the procedure described for Example 1, step G. This material is pure enough for further study.
[1096] Step H:
[1097]
[1098] The desired product 43h is obtained by the procedure described for Example 1, step H. After this reaction is complete, the solvent is evaporated. Et ₂ O (50 ml) is added and the solid is filtered off. The filtrate is concentrated and Et ₂ O / EtOAc (50 ml / 50 ml) is added. The precipitated solid is filtered off and the filtrate is concentrated. The residue is purified by flash chromatography using 85/15 to 80/20 dichloromethane / EtOAc to give 43h in 20% yield.
[1099]
[1100] Step I:
[1101]
[1102] The expected product 43i is obtained in 92% yield by the procedure described for Example 1, step I.
[1103] Step J:
[1104]
[1105] As described for Example 1, step J, target material 43j is synthesized. This crude product is pure enough to be involved in the next step.
[1106] Step K:
[1107]
[1108] By the oxidation protocol described above for Example 1, Step K, the expected product 43 is obtained. The residue is purified by flash column chromatography using 97/3 dichloromethane / MeOH to give 43 as a mixture of diastereomers. Combined yield = 60% (step 2).
[1109]
[1110] Example 44 Preparation of Compound 44:
[1111]
[1112] Step A:
[1113]
[1114] The desired product 44a is obtained by the method described for Example 1, Step D using N-Boc-tert-butylglycine as the coupling partner. The material after the workup is pure enough to be involved in the next step.
[1115] Step B:
[1116]
[1117] The desired product 44b is obtained by the method described for Example 1, step E. The crude material is used for the next step without further purification.
[1118] Step C:
[1119]
[1120] The desired product is obtained by the method described for Example 1, Step F using 3-hydroxybenzoic acid. The material was purified by flash column chromatography using 85/15 to 65/35 dichloromethane / ethyl acetate to give 44c in 81% yield.
[1121] Step D:
[1122]
[1123] The desired product 44d is obtained by the method described for Example 1, step G. The residue after the workup is pure enough to be further operated.
[1124] Step E:
[1125]
[1126] The desired product 44e is obtained by the method described for Example 1, step H. The crude residue after concentration is taken up in hexane / EtOAc (1/1) and the solid material is filtered off. This process is carried out again to remove some byproducts. Purification by column chromatography using 80/20 dichloromethane / EtOAc affords 44e with triphenylphosphine oxide. This mixture is used in the next step.
[1127] Step F:
[1128]
[1129] The desired product 44f is obtained by the method described for Example 1, step I. Yield of 44f (step 2) = 11%.
[1130] Step G:
[1131]
[1132] As described above for Example 1, Step J, 44 g of the expected product is synthesized. The material after workup is directly involved in the next step.
[1133] Step H:
[1134]
[1135] By the oxidation protocol described above for Example 1, Step K, the desired products 44A and 44B are obtained. The material is purified by flash column chromatography using 97/3 to 96/4 dichloromethane / methanol to yield equivalent isomers 44A and 44B in equivalent amounts. Combined yield = 58% (step 2).
[1136] Example 45 Preparation of Compound 45:
[1137]
[1138] Step A:
[1139]
[1140] 45a is alkylated to 45b using the procedure described for Example 1, Step A. The crude product is purified using 85/0/15 to 85/5/10 hexanes / EtOAc / dichloromethane to give 45c in 37% yield.
[1141]
[1142] Step B:
[1143]
[1144] To a solution of 45c (4.8 g, 15.5 mmol) in MeOH (30 ml) is added pyridinium p-toluenesulfonate (780 mg, 3.1 mmol) and refluxed for 3 hours when all starting material is consumed. The reaction mixture is concentrated. The residue is dissolved in EtOAc, washed with saturated NaHCO ₃ , dried (Na ₂ SO ₄ ) and the organic layer is concentrated to give 3.2 g (92% yield) of 45d. This material is pure enough for further study.
[1145]
[1146] Step C:
[1147]
[1148] The desired product 45e is obtained by the procedure described in Example 10, Step A using 45d as starting material. The crude product was purified using 90/10 hexanes / EtOAc to give 45e in 70% yield.
[1149]
[1150] Step D:
[1151]
[1152] The desired product 45f is obtained by the procedure described for Example 1, Step A using 45e as starting material. The crude product is used in the next step without further purification.
[1153] Step E:
[1154]
[1155] 45 g of the desired product are obtained by the procedure described in Example 18, step B using 45f as starting material. The residue is purified by flash chromatography using 90/10 dichloromethane / EtOAc to give 45 g in 61% yield (2 steps).
[1156]
[1157] Step F:
[1158]
[1159] The desired compound 45h is obtained by the protocol described for Example 1, step C. This material is involved in the next step.
[1160] Step G:
[1161]
[1162] The desired product 45i is obtained by the procedure described for Example 1, step D. The residue was purified by flash chromatography using 90/10 to 85/15 dichloromethane / EtOAc to give 45i in 41% yield.
[1163] Step H:
[1164]
[1165] The desired product 45j is obtained by the hydrogenation protocol described above for Example 1, step G.
[1166] Step I:
[1167]
[1168] The procedure described for Example 1, Step C affords 45 k of the desired product.
[1169] Step J:
[1170]
[1171] To a 45k cold (0 ° C.) solution in dichloromethane is added triethylamine followed by carbonyldiimidazole. Warming slowly to ambient temperature overnight is expected to give 45 l of the desired product. This product is purified by conventional flash column chromatography to give 45 l of pure.
[1172] Step K:
[1173]
[1174] 45 m of the desired product is obtained by the procedure described above for Example 3, Step A.
[1175] Step L:
[1176]
[1177] Synthese expected product 45n as described above for Example 1, Step J.
[1178] Step M:
[1179]
[1180] Example 1, desired product 45 is obtained by the oxidation protocol described above for step K. Purification by flash column chromatography will yield pure 45.
[1181] Example 46 Preparation of Compound 46
[1182]
[1183] Step A:
[1184]
[1185] To a solution of 46a (10.0 g, 42.9 mmol) in dichloromethane (100 ml) was added BOP (22.75 g, 51.5 mmol) and stirred at room temperature for 10 minutes. N, O-dimethylhydroxylamine hydrochloride (4.18 g, 42.9 mmol) is added followed by triethylamine (18.1 ml, 128.7 mmol). The reaction mixture is stirred at ambient temperature for 3 hours and then washed with 3N HCl, saturated NaHCO ₃ and brine. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. Crude 46b is used in the next step without purification.
[1186] Step B:
[1187]
[1188] To a cold (0 ° C.) solution of 46b in THF (60 ml) is added a solution of LAH (1M in THF, 50 ml, 50 mmol) under a nitrogen atmosphere. The reaction is kept at this temperature for 30 minutes. The reaction mixture is quenched (slowly added) with 10% aqueous potassium hydrogen phosphate solution (30 ml). The mixture is extracted twice with EtOAc. The combined organic layers are washed with 3N HCl, saturated NaHCO ₃ , and brine. EtOAc layer is dried over sodium sulfate and concentrated. The residue was purified by flash column chromatography with 10/90 to 30/70 EtOAc / dichloromethane to give 4.2 g (45% yield, two steps) of 46c.
[1189]
[1190] Step C:
[1191]
[1192] To a cold (-15 ° C.) solution of 46c (4.2 g, 19.4 mmol) in dichloromethane is added acetic acid (2.14 ml, 38.8 mmol) followed by methyl isocyanoacetate (1.76 ml, 19.4 mmol). The reaction mixture is allowed to warm to room temperature and left to stand for 16 hours. The reaction is diluted with EtOAc and washed with saturated NaHCO ₃ , brine and water. The organic layer is dried (Na ₂ SO ₄ ) and concentrated. Purification by flash column chromatography using 30/70 EtOAc / dichloromethane gives pure 46d (6.5 g) in 92% yield as a white solid.
[1193]
[1194] Step D:
[1195]
[1196] To a solution of 46d (6.5 g, 16.6 mmol) in MeOH (30 ml) is added a solution of lithium hydroxide (1.19 g, 50 mmol) in water (30 ml). After 45 minutes, the reaction mixture is concentrated. Aqueous citric acid solution is added until acidic pH (3) and the product is extracted with EtOAc. The organic layer was concentrated to give acid 46e (5.6 g, 90% yield).
[1197]
[1198] Step E:
[1199]
[1200] The desired product 46f is obtained by the method described for intermediate A, step 3. The residue was purified by column chromatography using EtOAc / NH ₃ in MeOH / dichloromethane at 20/0/80 to 50/5/45 to give 3.0 g (51%) of 46f.
[1201]
[1202] Step F:
[1203]
[1204] 46 g of the desired compound are obtained by the protocol described for intermediate A, step 4. This material is directly involved for further study.
[1205] Step G:
[1206]
[1207] The desired product 46h is obtained by the procedure described for Example 1, step J. The crude material is pure enough to be further manipulated.
[1208]
[1209] Step H:
[1210]
[1211] By the oxidation protocol described above for Example 10, step J, the desired product 46 is obtained. It takes 4 days to complete the reaction. The residue is purified by flash column chromatography (twice) and preparative TLC using 98/2 dichloromethane / MeOH to give 46 in 12% yield (2 steps) as a mixture of diastereomers.
[1212]
[1213] Example 47 Preparation of Compound 47:
[1214]
[1215] Step A:
[1216]
[1217] By the oxidation protocol described above for Example 11, Step A, the desired product 47 is obtained.
[1218] Example 48 Preparation of Compound 48:
[1219]
[1220] Step A:
[1221]
[1222] By the procedure described for Example 1, step J, the desired product 48b is obtained. The crude material is pure enough to be further manipulated. (Note: precursor 48a is obtained from commercially available Nboc-S-methylcysteine by a similar procedure as described for 46 g).
[1223] Step B:
[1224]
[1225] By the oxidation protocol described above for Example 10, step J, the desired product 48 is obtained. Purification by flash column chromatography using 98/2 dichloromethane / MeOH affords 48 as a mixture of diastereomers in 21% yield (2 steps).
[1226] Example 49: Preparation of Compound 49:
[1227]
[1228] Step A:
[1229]
[1230] By the oxidation protocol described above for Example 11, Step A, the desired product 49 is obtained.
[1231] Example 50 Preparation of Compound 50
[1232]
[1233] Step A:
[1234]
[1235] Using the imidazole-4-acetic acid as the coupling partner, the desired product 50a is obtained by the method described for Example 1, step F.
[1236] Step B:
[1237]
[1238] By the method described for Example 1, step G, the desired product 50b is obtained.
[1239] Step C:
[1240]
[1241] The desired product 50c is obtained by the method described for Example 10, Step A, using p-toluenesulfonyl chloride as starting material.
[1242] Step D:
[1243]
[1244] Treatment of 50c with HOBt in THF for several hours at ambient temperature yields the desired product 50d.
[1245] Step E:
[1246]
[1247] The expected product 50e is synthesized by heating 50d with sodium carbonate and sodium iodide in acetone for several hours at 50 ° C. This product can be purified by conventional flash chromatography.
[1248] Step F:
[1249]
[1250] By the hydrolysis protocol described above for Example 1, Step I, the desired product 50f is obtained.
[1251] Step G:
[1252]
[1253] As described above for Example 1, Step J, 50 g of the expected product is synthesized.
[1254] Step M:
[1255]
[1256] Example 1, desired product 50 is obtained by the oxidation protocol described above for step K. Purification by flash column chromatography will yield a pure 50.
[1257] Example 51: Preparation of Compound 51:
[1258]
[1259] Step A:
[1260]
[1261] As described above for Example 2, Step A, the expected product 51a is synthesized.
[1262] Step B:
[1263]
[1264] The desired product 51 is obtained by the oxidation protocol described above for Example 2, Step B. Purification by flash column chromatography will yield pure 51.
[1265] Example 52: Preparation of Compound 52:
[1266]
[1267] Step A:
[1268]
[1269] The desired product 52 is obtained by the procedure described above for Example 3, Step A.
[1270] Example 53 Preparation of a Compound of Formulas 53A and 53B:
[1271]
[1272] Step A:
[1273]
[1274] The desired product 53a is obtained by the method described for Example 1, step F. This material was purified by flash column chromatography using 80/20 to 60/40 dichloromethane / ethyl acetate to give 53a.
[1275] Step B:
[1276]
[1277] The desired product 53b is obtained by the method described for Example 1, step G. The crude material per se is involved in the next step.
[1278] Step C:
[1279]
[1280] The desired product 53c is obtained by the method described for Example 1, step H. This material is purified by column chromatography using 99/1 dichloromethane / methanol to give 53c with triphenylphosphine oxide. This mixture is taken to the next step.
[1281] Step D:
[1282]
[1283] The desired product is obtained by the method described for Example 1, step I.
[1284] Step E:
[1285]
[1286] Synthese the expected product 53e as described above for Example 1, step J. The material after the workup is pure enough to be involved in the next step.
[1287] Step F:
[1288]
[1289] By the oxidation protocol described above for Example 1, Step K, the desired products 53A and 53B are obtained. The material is purified by flash column chromatography using 100/0 to 99/1 dichloromethane / methanol to yield the separate isomers 53A and 53B, and some mixtures.
[1290] Example 54: Preparation of Compound 54:
[1291]
[1292] Step A:
[1293]
[1294] Using the procedure described for Intermediate A, Step 3, commercially available 54a is converted to the desired product 54b in quantitative yield.
[1295] Step B:
[1296]
[1297] To a cold (0 ° C.) solution of 54b (8 g, 26.8 mmol) in DMF (100 ml) is added sodium hydride (60% suspension in oil, 1.3 g, 32.16 mmol). After 10 minutes iodomethane (2.8 ml, 42.8 mmol) is added and the reaction is allowed to warm to ambient temperature over 2 hours. The reaction mixture is quenched with aqueous NH ₄ Cl solution and extracted with EtOAc. The organic layer is separated, dried (Na ₂ SO ₄ ) and concentrated to give 54c, which is pure enough for further study.
[1298] Step C:
[1299]
[1300] The desired product 54d is obtained by the procedure described for Example 1, step C. The crude product is used in the next step without further purification.
[1301] Step D:
[1302]
[1303] The desired product 54f is obtained by the procedure described in Example 26, Step A using 54e as starting material. The crude product is purified by flash chromatography using 80/20 to 100/0 dichloromethane / hexanes to give 54f.
[1304] Step E:
[1305]
[1306] 54 g of the desired product are obtained by the procedure described in Example 26, Step B using 54d and 54f as starting materials. This reaction is carried out in chloroform at 50 ° C. The residue was purified by flash chromatography using 85/15 hexanes / EtOAc to give 54 g in 56% yield.
[1307]
[1308] Step F:
[1309]
[1310] Using EtOH as solvent, the desired compound 54h is obtained by the procedure described for Example 1, Step I.
[1311] Step G:
[1312]
[1313] The desired compound 54i is prepared by the protocol described for Example 18, step B.
[1314] Step H:
[1315]
[1316] The desired product 54j is obtained by the procedure described for Example 1, step C. The crude product is used in the next step without further purification.
[1317] Step I:
[1318]
[1319] The desired product 54k is obtained by the coupling protocol described above for Example 1, Step D.
[1320] Step J:
[1321]
[1322] 54 l of the desired product are obtained by the hydrogenation process described above for Example 1, step G.
[1323] Step K:
[1324]
[1325] 54 m of the desired product are obtained by the ring closure protocol described for Example 1, step H.
[1326] Step L:
[1327]
[1328] The desired product 54n is obtained by the procedure described above for Example 3, Step A.
[1329] Step M:
[1330]
[1331] Synthese the expected product 54o as described above for Example 1, Step J.
[1332] Step N:
[1333]
[1334] Example 1, desired product 54 is obtained by the oxidation protocol described above for step K. Purification by flash column chromatography will yield pure 54.
[1335] Example 55: Preparation of Compound 55:
[1336]
[1337] Step A:
[1338]
[1339] Using the procedure described for Example 26, Step A, commercially available 55a was converted to the desired product 55b in 41% yield.
[1340] Step B:
[1341]
[1342] N-Boc-tert-butylglycine as the coupling partner is used to obtain the desired product 55c by the coupling protocol described above for Example 1, Step D. Purification with 95/5 dichloromethane / EtOAc affords 55c in 57% yield.
[1343] Step C:
[1344]
[1345] The desired product 55d is obtained by the procedure described above for Example 1, Step C. It is further accompanied by the crude material.
[1346] Step D:
[1347]
[1348] The desired product 55e is obtained by the protocol described for Example 26, step B. Purification with 80/20 dichloromethane / EtOAc affords 55e in 20% yield.
[1349]
[1350] Step E:
[1351]
[1352] The desired product 55f is obtained by the procedure described above for Example 1, Step G.
[1353]
[1354] Step F:
[1355]
[1356] As described above for Example 1, Step H, 55 g of the expected product is synthesized. Purification by flash chromatography using 85/15 dichloromethane / EtOAc affords 55 g in 10% yield.
[1357] Step G:
[1358]
[1359] The desired product 55h is obtained by the method described above for Example 3, Step A. The crude material is used for the next step without further purification.
[1360] Step H:
[1361]
[1362] As described above for Example 1, Step J, the expected product 55i is synthesized. The crude material is used for the next step without further purification.
[1363] Step I:
[1364]
[1365] By the oxidation protocol described above for Example 1, Step K, the desired product 55 is obtained. Purification by flash column chromatography using 98/2 dichloromethane / MeOH affords 55.
[1366] Example 56 Preparation of Compound 56:
[1367]
[1368] Step A:
[1369]
[1370] To a solution of commercial methyl ester 10a (5.0 g, 20.4 mmol) in MeOH (20 ml) is added a solution of LiOH (730 mg, 30.6 mmol) in water (20 ml). The reaction mixture is stirred at ambient temperature for 2 hours. TLC indicated the consumption of starting material. The reaction mixture is concentrated and acidified with 10% citric acid solution. Solid NaCl is added and the aqueous layer is extracted several times with EtOAc. The combined EtOAc layers are dried (Na ₂ SO ₄ ) and concentrated to give 56a in quantitative yield.
[1371]
[1372] Step B:
[1373]
[1374] The desired product 56b is obtained by the method described for Example 1, step A. The crude material is converted to methyl ester without further purification.
[1375] Step C:
[1376]
[1377] By the method described for Example 1, step B, the desired product 56c was obtained. The residue is purified by column chromatography using 80/20 to 50/50 hexanes / EtOAc and then column chromatography using 70/30 to 40/60 dichloromethane / EtOAc to give 56c in 13% yield.
[1378]
[1379] Step D:
[1380]
[1381] The desired product 56d is obtained by the method described for Example 1, step C. The crude material is used without further purification.
[1382] Step E:
[1383]
[1384] The desired product 56e is obtained by the method described for Example 1, Step D using N-Boc-tert-butylglycine as the coupling partner. The residue was purified by column chromatography using 90/10 dichloromethane / EtOAc to give 56e in 86% yield.
[1385]
[1386] Step F:
[1387]
[1388] The desired compound 56f is prepared by the protocol described for Example 1, step E. The material per se involves the next step.
[1389] Step G:
[1390]
[1391] 56 g of the desired product were obtained by the procedure described for Example 1, step F. This material was purified by flash column chromatography using 98/2 dichloromethane / MeOH to afford 56 g in 78% yield as white foam.
[1392]
[1393] Step H:
[1394]
[1395] The desired product 56h is obtained by the procedure described for Example 1, step G. The product obtained after the catalyst is filtered off is pure enough to be subjected to subsequent operations.
[1396]
[1397] Step I:
[1398]
[1399] The desired product 56i is obtained by the procedure described for Example 1, step H. This crude residue is purified using 75/25 hexanes / acetone to give the product 56i as a mixture with triphenylphosphine oxide.
[1400]
[1401] Step J:
[1402]
[1403] As described above for Example 1, Step I, the expected product 56j is synthesized. Yield for step 2 = 16%.
[1404]
[1405] Step K:
[1406]
[1407] The expected product 56k is synthesized by the method described above for Example 1, step J. The material after the workup is pure enough to be involved in the next step.
[1408]
[1409] Step L:
[1410]
[1411] By the oxidation protocol described above for Example 1, Step K, the desired products 56A and 56B are obtained. The material is purified by flash column chromatography using 98/2 to 96/4 dichloromethane / MeOH to give the separate isomers 56A and 56B, and some mixtures. Combined yield = 35% (step 2).
[1412]
[1413] Example 57 Preparation of a Compound of Formulas 57A and 57B
[1414]
[1415] Step A:
[1416]
[1417] Concentrated hydrochloric acid (5.0) in a solution of commercial dihydrate (5.0 g, 21.8 mmol) of amino acid (3S) -7-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid 57a in methanol (180 ml) ml, 60 mmol) is added. The clean solution thus produced is then heated to reflux for 18 hours in an oil bath. The solvent is removed in vacuo to afford methyl ester 57b as a white solid which is used in the next step without further purification.
[1418] Step B:
[1419]
[1420] Amine hydrochloride 57b, N-Boc-cyclohexylglycine (5.95 g, 21.8 mmol), HOOBt (3.73 g, 22.9 mmol) and EDCl (5.00) at -20 ° C. in anhydrous DMF (200 ml) and CH ₂ Cl ₂ (200 ml) g, 26.1 mmol) was added NMM (7.20 ml, 65.5 mmol). After stirring for 30 minutes at this temperature, the reaction mixture is kept overnight in the freezer (18 hours). Then EtOAc (600 ml), brine (150 ml) and 5% H ₃ PO ₄ (150 ml) are added. The separated organic solution was washed with 5% H ₃ PO ₄ (200 ml), saturated aqueous sodium bicarbonate solution (2 × 200 ml), water (200 ml) and brine (200 ml), dried over magnesium sulfate, filtered and concentrated in vacuo. To give 57c (10.3 g, quantitative, 2 steps) as a white solid.
[1421]
[1422] Step C:
[1423]
[1424] Boc-amino methyl ester 57c (7.20 g, 16.1 mmol) is dissolved in 4N HCl (100 ml, 400 mmol) and the resulting solution is stirred at room temperature. The progress of this reaction is monitored by TLC. After 4 hours, the solution is concentrated in vacuo and the residue is kept under vacuum overnight to give 57d as a white solid, which is used for the next coupling reaction without further purification.
[1425] Step D:
[1426]
[1427] Amine hydrochloride 57d (from step D), 6-heptenoic acid (2.90 g, 22.6 mmol), HOOBt (3.70 g, 22.7 mmol) and EDCl in dry DMF (250 ml) and CH ₂ Cl ₂ (150 ml) at −20 ° C. To a solution of (4.80 g, 25.0 mmol) is added NMM (7.50 ml, 68.2 mmol). After stirring for 30 minutes at this temperature, the reaction mixture is kept in a freezer for 2 days. It is then stirred in air and warmed to room temperature for 1 hour. EtOAc (500 ml), brine (100 ml) and 5% H ₃ PO ₄ (100 ml) are added. The separated organic solution was washed with 5% H ₃ PO ₄ (100 ml), saturated aqueous sodium bicarbonate solution (2 × 150 ml), water (150 ml) and brine (150 ml), dried over magnesium sulfate, filtered and concentrated in vacuo. Let's do it. Flash chromatography (5-30% EtOAc-CH ₂ Cl ₂ ) affords 57e (2.30 g, 5.04 mmol, 31%, 2 steps) as a white solid.
[1428]
[1429] Step E:
[1430]
[1431] To a solution of 57e (2.20 g, 4.82 mmol) in dry THF (100 ml) at 0 ° C. is carefully added borane-THF solution (20 ml, 1.0 M, 20 mmol). The resulting solution is stirred at 0 ° C. under hydrogen for 1 hour 40 minutes. Ethanol (10 ml) and pH 7 buffer (15 ml) are then added, followed by 30% H ₂ O ₂ solution (15 ml). After 20 minutes of stirring at 0 ° C., it is warmed to room temperature and stirred for 2 hours. EtOAc (400 ml) and brine (200 ml) are added and the layers are separated. The aqueous solution is extracted with EtOAc (2 x 150 ml). The combined organic solution is dried over magnesium sulfate, filtered and then concentrated in vacuo. Flash chromatography (3-5% MeOH-CH ₂ Cl ₂ ) affords 57f (2.18 g, 4.47 mmol, 93%) as a white solid.
[1432]
[1433] Step F:
[1434]
[1435] A solution of 57f (2.08 g, 4.38 mmol) and ADDP (3.00 g, 11.9 mmol) in anhydrous CH ₂ Cl ₂ was bubbled with argon for 20 minutes through a frit glass bubbler. Triphenylphosphine (3.45 g, 13.2 mmol) is added to the solution at 0 ° C. After stirring for 20 minutes at 0 ° C., the solution is allowed to warm to room temperature and stirred overnight (18 hours) under nitrogen. TLC indicates that a significant amount of starting material is present, add a second batch of ADDP (3.00 g, 11.9 mmol) and triphenylphosphine (3.45 g, 13.2 mmol) and mix the mixture under nitrogen for 2 days and 16 hours. Stir. TLC indicates that the starting material has been consumed completely. After the solvent was removed in vacuo, the residue was partially purified by flash chromatography (1-2% MeOH in CH ₂ Cl ₂ ) to give a mixture of 57 g of macrocycles and triphenylphosphine oxide. Hydrolysis of 57 g of macrocycle affords the corresponding acid without further purification.
[1436]
[1437] Step G:
[1438]
[1439] An aqueous lithium hydroxide solution (0.21 g, 8.75 mmol) in 30 ml H ₂ O is added to a 0 ° C. solution of 57 g of methyl ester (from step 1F) in THF (30 ml) and methanol (30 ml). The mixture is stirred in an ice bath and with it warmed to room temperature for 4 hours. The progress of the reaction is monitored by TLC. After removing the volatiles in vacuo, EtOAc (100 ml) and water (30 ml) are added and the two layers are separated. The aqueous solution is extracted again with CH ₂ Cl ₂ (100 ml) and acidified to pH 1. EtOAc (150 ml) is then added and the aqueous solution is saturated with solid sodium chloride. After separating the layers, the aqueous layer is extracted with EtOAc (2 × 100 ml). The organic solutions are combined, dried over magnesium sulfate, filtered and concentrated in vacuo to give 57 h (1.23 g, 2.78 mmol, 63%, 2 steps) as a white solid.
[1440] Step H:
[1441]
[1442] Acid 57h (0.390 g, 0.881 mmol), Amine A (0.360 g, 0.898 mmol), HOOBt (160 mg, 0.981 mmol) and EDCl (210 mg, in anhydrous DMF (50 ml) and CH ₂ Cl ₂ (30 ml) at −20 ° C. NMM (0.40 ml, 3.64 mmol) was added to a solution of 1.10 mmol). After stirring for 30 minutes at this temperature, the reaction mixture is maintained in the freezer for 66 hours. Then EtOAc (200 ml), brine (50 ml) and 5% H ₃ PO ₄ (50 ml) are added. The separated organic solution was washed successively with 5% H ₃ PO ₄ (80 ml), saturated aqueous sodium bicarbonate solution (2 × 80 ml), water (80 ml) and brine (80 ml), dried over magnesium sulfate, filtered and vacuum Concentrate under. Flash chromatography (2-5% MeOH-CH ₂ Cl ₂ ) affords 57i as a white solid as a mixture of four diastereomers (0.340 g, 0.431 mmol, 49%).
[1443]
[1444]
[1445] Step I:
[1446]
[1447] Anhydrous CH ₂ Cl ₂ (80 ml) is added to a mixture of hydroxy amide 57i (0.320 g, 0.406 mmol) and Dess-Martin reagent (0.400 g, 0.943 mmol) at 0 ° C. The resulting white suspension is vigorously stirred at 0 ° C. and warmed to room temperature for 4 hours with an ice bath. Saturated aqueous sodium bicarbonate solution and sodium bisulfite solution (30 ml each) are added and the mixture is vigorously stirred for 10 minutes before the layers are separated. The aqueous solution is extracted with CH ₂ Cl ₂ (2 × 80 ml). The combined organic solution is dried over magnesium sulfate, filtered and concentrated in vacuo. Flash chromatography (2-5% MeOH-CH ₂ Cl ₂ ) affords two stereoisomers 57A (109 mg, 0.139 mmol) and 57B (102 mg, 0.130 mmol, 66% mixed yield) as white solids.
[1448] Example 58: Preparation of a compound of Formula 58:
[1449]
[1450] Step A:
[1451]
[1452] Except for replacing A with amine hydrochloride B, the desired compound 58a is prepared according to the method of Example 1, step J. Hydroxy amide 58a is obtained in a 53% yield in the form of a white solid as a mixture of inseparable diastereomers.
[1453] Step B:
[1454]
[1455] According to the method of Example 2, step B, the desired compound 58 is prepared from hydroxy amide 58a. This is obtained in 88% yield in the form of a white solid as a mixture of non-separable diastereomers.
[1456] Example 59: Preparation of the Compounds of Formulas 59A and 59B
[1457]
[1458]
[1459] Step A:
[1460]
[1461] A solution of t-butyl ester 58 (18 mg, 0.022 mmol) in trifluoroacetic acid (2 ml) and CH ₂ Cl ₂ (2 ml) is stirred at room temperature for 3 hours. After the volatiles are removed in vacuo, the residue is dissolved in 50% MeOH-CH ₂ Cl ₂ (3 ml) and concentrated to dryness in vacuo to give a gray solid. Flash chromatography (8-15% MeOH, 0.3-0.5% AcOH in CH ₂ Cl ₂ ) gave white two stereoisomers 59A (6.5 mg, 0.0086 mmol) and 59B (6.1 mg, 0.008 mmol, 75% mixed yield). Obtained as a solid:
[1462] Analytical Data for 59A:
[1463]
[1464] Analytical data for 59B:
[1465]
[1466] Example 60: Preparation of Compound 60
[1467]
[1468] Step A:
[1469]
[1470] In anhydrous DMF (20ml) of [CpRu (η ⁶ -4- chloro-phenylpropionic acid)] PF ₆ solutions of HOBt (1.69g, 12.54mmol, 1.5 eq.) And Suggs Wini base (4.14g, 8.36mmol) (6.47g, 9.20 ml, 50.16 mmol, 6.0 equivalents). The reaction mixture is cooled to 0 ° C. and treated with EDCl (2.39 g, 12.54 mmol, 1.5 equiv). The reaction mixture is stirred for 30 min at 0 ° C. and 57 d (2.90 g, 7.6 mmol, 1.0 equiv) of Tic-ammonium salt are added. The reaction mixture is stirred at rt for 12 h and the DMF is distilled off under vacuum. The residue is diluted with aqueous HCl (1M, 100 ml) and extracted with CH ₂ Cl ₂ (3 × 100 ml). The combined organic layers were washed with aqueous NaHCO ₃ (1 × 100 ml) and brine (100 ml), dried (Na ₂ SO ₄ ), filtered and concentrated in vacuo to give a brown solid 60a (5.2 g, 83%). It is used for the ring closure reaction.
[1471]
[1472] Step B:
[1473]
[1474] A solution of the ruthenium complex 60a (5.0 g, 6.01 mmol) in anhydrous DMF (300 ml) was degassed under anhydrous N ₂ at room temperature, Cs ₂ CO ₃ (10.0 g, 30 mmol, 5.0 equiv) was added and then at room temperature for 24 hours. Stir. Solvent DMF is distilled off and the residue is diluted with water (100 ml) and extracted with CH ₂ Cl ₂ (3 × 100 ml) and propionitrile (3 × 100 ml). The combined organic layers were extracted with brine (100 ml), dried (Na ₂ SO ₄ ), filtered, concentrated in vacuo and dried under vacuum overnight to yield a brown solid (5.1 g), which was purified without further purification. For photolytic removal of MS: (electron spray): 643 [(M-PF ₆ ) ⁺ , 100].
[1475] The cyclized compound from the previous step is dissolved in CH ₃ CN (50 ml) and it is filtered into a quartz tube. The solution is degassed and photolyzed for 48 hours in a Raynot instrument (λ = 350 nm). The reaction mixture is concentrated in vacuo and the residue is purified by chromatography (SiO ₂ , EtOAc / hexanes 3: 2) to give a brown solid 60b (289 mg, 20%). R _f : 0.73 (acetone / hexane 3: 7);
[1476]
[1477]
[1478] Step C:
[1479]
[1480] A solution of methyl ester 60b (235 mg, 0.5 mmol) of the Tic-macrocycle in dioxane (10.0 ml), H ₂ O (10.0 ml) and CH ₃ OH (50.0 ml) was converted to LiOH.H ₂ O (41 mg, 1.0 mmol). , 2.0 equivalents), and stirred at room temperature for 3 hours. The reaction mixture is acidified (4M HCl in dioxane). The reaction mixture is concentrated in vacuo and the remaining water is lyophilized to give a colorless solid 60c, which is used for the next coupling reaction.
[1481] Step D:
[1482]
[1483] A solution of hydrolyzed acid 60c (0.5 mmol) in anhydrous DMF (5.0 ml) and CH ₂ Cl ₂ (5.0 ml) was treated with HOOBt (132 mg, 0.75 mmol, 1.5 equiv), cooled to 0 ° C., Winnipes Base (258 mg, 2.0 mmol, 4.0 equiv, 369 μl) is added. To this mixture are added sequentially EDCl (143 mg, 0.75 mmol, 1.5 equiv) and amine hydrochloride B (214 mg, 0.5 mmol, 1.0 equiv). The reaction mixture is stored for 48 hours in the freezer and concentrated in vacuo to remove DMF and CH ₂ Cl ₂ . The residue is diluted with aqueous HCl (2M, 50 ml) and extracted with CH ₂ Cl ₂ (3 × 30 ml). The combined organic layers are extracted with aqueous HCl (1M, 2 × 50 ml), aqueous NaOH (2M, 2 × 30 ml) and brine, dried (MgSO ₄ ) and concentrated in vacuo. The residue 60d (172 mg) is oxidized without further purification.
[1484]
[1485] Step E:
[1486]
[1487] A solution of 60 d (171 mg, 0.20 mmol) of alcohol in CH ₂ Cl ₂ (6.0 ml) is treated with Dess-Martin reagent (175 mg, 0.41 mmol, 2.0 equiv). The reaction mixture is stirred at rt for 4 h and diluted with aqueous NaHCO ₃ and aqueous Na ₂ S ₂ O ₃ . The reaction mixture is stirred for 20 minutes at room temperature and the reaction mixture is extracted with CH ₂ Cl ₂ (3 × 30 ml). The combined organic layers were extracted with aqueous Na ₂ CO ₃ , dried (Na ₂ SO ₄ ), filtered and concentrated in vacuo and the residue was chromatographed (SiO ₂ , CH ₃ OH (2M-NH ₃ ) / CH ₂ Purification by Cl ₂ 1:20) yields ketoamide 60 (56 mg, 32%) as a colorless solid. R _f : 0.35 (CH ₃ OH (2M NH ₃ ) / CH ₂ Cl ₂ 1:18)
[1488]
[1489] Example 61: Preparation of Compound 61
[1490]
[1491] Step A:
[1492]
[1493] A solution of tert-butyl ester 60 (50 mg, 0.059 mmol) in anhydrous CH ₂ Cl ₂ (10.0 ml) is treated with TFA (10.0 ml) and stirred at room temperature for 4 hours. The disappearance of the ester to baseline is monitored by TLC (CH ₃ OH / CH ₂ Cl ₂ 1:19). The reaction mixture is concentrated in vacuo and the residue is repeatedly dissolved in heptane / CH ₂ Cl ₂ and concentrated several times in vacuo to give a pure colorless solid 61 (51 mg) which is dried under vacuum.
[1494]
[1495] Example 62: Preparation of Compound 62
[1496]
[1497] Step A:
[1498]
[1499] A solution of acid 61 (30 mg, 0.038 mmol), dimethyl amine hydrochloride (6.2 mg, 0.076 mmol, 2.0 equiv) in CH ₂ Cl ₂ (1.0 mL) was selected from Winigs base (9.1 mg, 0.076 mmol, 2.0 equiv, 15 μl). ), PyBrOP (35 mg, 0.076 mmol, 2.0 equiv) and stir at room temperature for 24 hours. The reaction mixture is concentrated in vacuo and purified by chromatography (SiO ₂ , acetone / hexane 1: 1) to afford dimethyl amide 62 (14 mg, 46%) as a colorless solid. R _f : 0.31 (acetone / hexane 1: 1).
[1500]
[1501] Example 63: Preparation of Compound 63
[1502]
[1503] Step A:
[1504]
[1505] In anhydrous DMF (10ml) of [CpRu (η ⁶ -4- chlorophenyl pentanoic acid)] PF ₆ solutions of HOBt (810mg, 5.99mmol, 1.5 eq) and Suggs Wini base (2.2g, 4.0mmol) (2.58g, 3.6 ml, 19.9 mmol, 5.0 equivalents). The reaction mixture is cooled to 0 ° C. and treated with EDCl (1.14 g, 6.0 mmol, 1.5 equiv). The reaction mixture is stirred at 0 ° C. for 30 minutes and Tic-ammonium salt 57d (1.60 g, 4.0 mmol, 1.0 equiv) is added. The reaction mixture is stirred at rt for 12 h and the DMF is distilled off under vacuum. The residue is diluted with aqueous HCl (1M, 100 ml) and extracted with CH ₂ Cl ₂ (3 × 100 ml). The combined organic layers were extracted with aqueous NaHCO ₃ (1 × 40 ml) and brine (100 ml), dried (Na ₂ SO ₄ ), filtered and concentrated in vacuo to give a brown solid 63a (2.41 g, 75%). It is used for the ring closure reaction.
[1506] Step B:
[1507]
[1508] A solution of ruthenium complex 63a (2.40 g, 2.8 mmol) in anhydrous DMF (250 ml) was degassed under anhydrous N ₂ at room temperature, Cs ₂ CO ₃ (4.6 g, 14.0 mmol, 5.0 equiv) was added and then 14 hours at room temperature. Stir while. Solvent DMF is distilled off and the residue is diluted with water (100 ml) and extracted with CH ₂ Cl ₂ (3 × 100 ml). The combined organic layers were extracted with aqueous HCl (1M, 100ml), NaHCO ₃ (100ml), brine (100ml), dried (Na ₂ SO ₄ ), filtered, concentrated in vacuo and dried under vacuum overnight to give a brown solid (1.9 g, 79%) is obtained and used for the photolytic removal of Ru without further purification. MS: (electron spray): 671 [(M-PF ₆ ) ⁺ , 40].
[1509] The cyclized compound from the previous step is dissolved in CH ₃ CN (60 ml) and it is filtered into a quartz tube. The solution is degassed and photolyzed for 48 hours in a Reynatt instrument (λ = 350 nm). The reaction mixture is concentrated in vacuo and the residue is purified by chromatography (SiO ₂ , acetone / hexane 3: 7) to give a brown solid 63b (140 mg, 13%). R _f : 0.73 (acetone / hexane 3: 7);
[1510]
[1511] Step C:
[1512]
[1513] A solution of methyl ester 63b (235 mg, 0.5 mmol) of Tic-macrocycle in dioxane (10.0 ml), H ₂ O (10.0 ml) and CH ₃ OH (50.0 ml) was converted to LiOH.H ₂ O (41 mg, 1.0 mmol). , 2.0 equivalents), and stirred at room temperature for 3 hours. The reaction mixture is acidified (4M HCl in dioxane). The reaction mixture is concentrated in vacuo and the remaining water is lyophilized to give a colorless solid 63c which is used for the next coupling reaction.
[1514] Step D:
[1515]
[1516] A solution of hydrolyzed acid 63c (100 mg, 0.21 mmol) in anhydrous DMF (4.0 ml) and CH ₂ Cl ₂ (2.0 ml) was cooled to 0 ° C., HOOBt (53 mg, 0.32 mmol, 1.5 equiv), Winigs base (122 mg, 0.95 mmol, 4.5 equiv, 175 μl) and EDCl (61,0 mg, 0.32 mmol, 1.5 equiv), stir for 0.5 h, then with amine hydrochloride A (100 mg, 0.25 mmol, 1 equiv) Process. The reaction mixture is stirred at rt for 16 h and concentrated in vacuo to remove DMF and CH ₂ Cl ₂ . The residue is diluted with aqueous HCl (2M, 50 ml) and extracted with CH ₂ Cl ₂ (3 × 50 ml). The combined organic layers are extracted with aqueous HCl (1M, 100ml), aqueous NaOH (2M 100ml) and brine, dried (Na ₂ SO ₄ ) and concentrated in vacuo. The residue 63d (72 mg) is oxidized without further purification.
[1517] Step E:
[1518]
[1519] A solution of alcohol 63d (72 mg, 0.86 μmol) in CH ₂ Cl ₂ (5.0 ml) is treated with Dess-Martin reagent (125 mg, 0.28 mmol, 3.2 equiv). The reaction mixture was stirred at rt for 3 h, concentrated in vacuo and the residue was purified by chromatography (SiO ₂ , CH ₃ OH / CH ₂ Cl ₂ 1:19) to give the ketoamide 63 (11 mg, 15%) as a colorless Obtained as a solid.
[1520]
[1521] Example 64: Preparation of Compound 64
[1522]
[1523] Step A:
[1524]
[1525] The desired product 64a is obtained by the procedure described for Example 1, step F. This material was purified by flash column chromatography using EtOAc / Hex (7: 3) to give 64a in 80% yield;
[1526]
[1527] Step B:
[1528]
[1529] The desired product 64b is obtained by the procedure described for Example 1, step G. The material obtained after filtering the catalyst is pure enough to be used for the next step.
[1530] Step C:
[1531]
[1532] The desired product 64c is obtained by the procedure described for Example 1, step H. The crude reaction mixture was purified by SiO ₂ gel chromatography (acetone / hexane 3: 7) to give 64c (64 mg, 16%) as a colorless solid;
[1533]
[1534] Step D:
[1535]
[1536] The acid is synthesized in quantitative yield as described for Example 1, Step I. After evaporation the crude mixture is used directly in the next step.
[1537] Step E:
[1538]
[1539] Synthese the expected product 64e as described above for Example 1, step J. 64 is synthesized using the coupled material directly in the next step.
[1540] Step F:
[1541]
[1542] The desired product is obtained by the oxidation protocol described for Example 1, Step K.
[1543] Example 65 Preparation of Compound 65:
[1544]
[1545] The synthesis of Example 65 is identical to the synthesis of Example 14, except that the synthesis is initiated with 3-vinylbenzoic acid. Reducing the phenyl moiety is similar to Example 14, step C. However, a mixture of diastereomers is obtained.
[1546] Example 66 Preparation of the Compounds of Formulas 66A and 66B:
[1547]
[1548] The synthesis sequence for Example 66 is carried out as described for Example 54, using suitable starting materials with appropriate modifications. After oxidation using column chromatography, isomers 66A and 66B are separated. LCMS data: 818.2 (M + H) ⁺ (for 66A and 66B).
[1549] Example 67 Preparation of the Compounds of Formulas 67A and 67B
[1550]
[1551] The synthesis sequence for Example 67 is performed as described for Example 54, using suitable starting materials with appropriate modifications. After oxidation using column chromatography, isomers 67A and 67B are separated.
[1552]
[1553] Example 68 Preparation of a Compound of Formula 68
[1554]
[1555] The synthesis sequence for Example 68 is carried out as described for Example 30, using suitable starting materials with appropriate modifications. After oxidation, column chromatography is used to afford the desired product 68 as a mixture of isomers.
[1556]
[1557] Example 69 Preparation of the Compounds of Formulas 69A and 69B:
[1558]
[1559] The synthesis sequence for Example 69 is performed as described for Example 1, using suitable starting materials with appropriate modifications. After oxidation, isomers 69A and 69B are separated using column chromatography. LCMS data: 829.2 (M + H) ⁺ (for 69A and 69B).
[1560] Example 70 Preparation of the Compounds of Formulas 70A and 70B
[1561]
[1562] The synthesis sequence for Example 70 is carried out as described for Example 4, using suitable starting materials with appropriate modifications. After oxidation, isomers 70A and 70B are separated using column chromatography. LCMS data: 843.2 (M + H) ⁺ (for 70A and 70B).
[1563] Example 71: Preparation of a compound of Formula 71:
[1564]
[1565] The synthesis sequence for Example 71 is carried out as described for Example 5, using suitable starting materials with appropriate modifications. After oxidation, column chromatography is used to afford the desired product 71 as a mixture of isomers. LCMS data: 818.2 (M + H) ⁺ .
[1566] Example 72: Preparation of a Compound of Formula 72:
[1567]
[1568] The synthesis sequence for Example 72 is carried out as described for Example 6, using suitable starting materials with appropriate modifications. After oxidation, column chromatography is used to afford the desired product 72 as a mixture of isomers. LCMS data: 762.2 (M + H) ⁺ .
[1569] Example 73: Preparation of a compound of Formula 73:
[1570]
[1571] The synthesis sequence for Example 73 is carried out as described for Example 10, using suitable starting materials with appropriate modifications. After oxidation, column chromatography is used to afford the desired product 73 as a mixture of isomers. LCMS data: 659.2 (M + H) ⁺ .
[1572] Example 74: Preparation of a compound of Formulas 74A and 74B:
[1573]
[1574] Except for replacing 3-hydroxy phenylacetic acid with 5-methyl-3-hydroxy phenylacetic acid in Step F, the desired compounds 74A and 74B by the same method as described for the preparation of compounds 1A and 1B in Example 1 To prepare.
[1575]
[1576] Example 75 Preparation of a Compound of Formulas 75A and 75B:
[1577]
[1578]
[1579] Except for replacing 3-hydroxy phenylacetic acid with 4-methyl-3-hydroxy phenylacetic acid in Step F, by the same method as described in the preparation of compounds 1A and 1B in Example 1 the desired compounds 75A and 75B To prepare.
[1580]
[1581] Example 76 Preparation of a Compound of Formula 76
[1582]
[1583] Except for replacing amine A with amine E in step J, the desired compound 76 is prepared by the same method as described for the preparation of compounds 27A and 27B in Example 27.
[1584]
[1585] Example 77 Preparation of a Compound of Formula 77
[1586]
[1587] The desired compound 77 is prepared by the same method as described for the preparation of compounds 27A and 27B in Example 27, except that amine A is replaced with a different amine intermediate in Step J.
[1588]
[1589] Example 78 Preparation of a Compound of Formula 78
[1590]
[1591] The desired compound 78 is prepared by the same method as described for the preparation of compounds 27A and 27B in Example 27, except that amine A is replaced with a different amine intermediate in Step J.
[1592]
[1593] Example 79 Preparation of a Compound of Formula 79:
[1594]
[1595] The desired compound 79 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a different amine intermediate in Step I.
[1596]
[1597] Example 80 Preparation of Compound 80
[1598]
[1599] The desired compound 80 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with amine D in Step I.
[1600]
[1601] Example 81: Preparation of Compound 81:
[1602]
[1603] The desired compound 81 is prepared by the same method as described in the preparation of intermediate A, step 5.
[1604]
[1605] Example 82: Preparation of Compound 82:
[1606]
[1607] The desired compound 82 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a different amine in Step I.
[1608]
[1609] Example 83: Preparation of Compound 83:
[1610]
[1611] Except for replacing amine A with amine E in step I, the desired compound 83 is prepared by the same method as described for the preparation of compound 30 in Example 30.
[1612]
[1613] Example 84: Preparation of Compound 84:
[1614]
[1615] The desired compound 84 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a suitable amine in Step I.
[1616]
[1617] Example 85: Preparation of Compound 85:
[1618]
[1619] The desired compound 85 was prepared by the same method as described for the preparation of the compound 30 in Example 30, except that in step I, amine A was replaced with a suitable amine, and oxidation was carried out according to the procedure of Example 10, Step J. Manufacture.
[1620]
[1621] Example 86 Preparation of Compound 86
[1622]
[1623] The desired compound 86 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a suitable amine in Step I.
[1624]
[1625] Example 87: Preparation of Compound 87:
[1626]
[1627] The desired compound 87 was prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A was replaced with a suitable amine in step I, and oxidation was carried out according to the procedure of Example 10, Step J. Manufacture.
[1628]
[1629] Example 88: Preparation of Compound 88:
[1630]
[1631] The desired compound 88 was prepared by the same method as described for the preparation of the compound 30 in Example 30, except that in step I, amine A was replaced with a suitable amine and oxidation was carried out according to the procedure of Example 10, Step J. Manufacture.
[1632]
[1633] Example 89: Preparation of Compound 89:
[1634]
[1635] The desired compound 88 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a suitable amine in Step I.
[1636]
[1637] Example 90 Preparation of Compound 90
[1638]
[1639] The desired compound 90 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a suitable amine in Step I.
[1640]
[1641] Example 91: Preparation of Compound 91:
[1642]
[1643] The desired compound 91 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a suitable amine in Step I.
[1644]
[1645] Example 92 Preparation of Compound 92
[1646]
[1647] The desired compound 92 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that Boc-cyclohexylglycine is replaced with Boc-tert-butylglycine in Step C.
[1648]
[1649] Example 93: Preparation of Compound 93:
[1650]
[1651] Except for replacing amine A with a suitable amine, target compound 93 is prepared by the same method as described for the preparation of compound 92 in Example 92.
[1652]
[1653] Example 94: Preparation of Compound 94:
[1654]
[1655] The desired compound 94 is prepared by the same method as described for the preparation of compound 92 in Example 92, except that amine A is replaced with a suitable amine and the oxidation is carried out according to the procedure of Example 10, Step J.
[1656]
[1657] Example 95: Preparation of Compound 95:
[1658]
[1659] 95
[1660] The desired compound 95 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that Boc-cyclohexylglycine is replaced with Boc-valine in step C.
[1661]
[1662] Example 96 Preparation of Compound 96
[1663]
[1664] Except for replacing amine A with a suitable amine, desired compound 96 is prepared by the same method as described for the preparation of compound 95 in Example 95.
[1665]
[1666] Example 97: Preparation of Compound 97:
[1667]
[1668] The desired compound 97 is prepared by the same method as described for the preparation of the compound 95 in Example 95, except that amine A is replaced with a suitable amine and the oxidation is carried out according to the procedure of Example 10, Step J.
[1669]
[1670] Example 98 Preparation of Compound 98
[1671]
[1672] The desired compound 98 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that Boc-cyclohexylglycine is replaced with Boc-phenylglycine in Step C.
[1673]
[1674] Example 99 Preparation of Compound 99
[1675]
[1676] Except for replacing amine A with a suitable amine, the desired compound 99 is prepared by the same method as described for the preparation of compound 98 in Example 98.
[1677]
[1678] Example 100 Preparation of Compound 100
[1679]
[1680] The desired compound 100 is prepared by the same method as described for the preparation of compound 98 in Example 98, except that amine A is replaced with a suitable amine and the oxidation is carried out according to the procedure of Example 10, step J.
[1681]
[1682] Example 101: Preparation of Compound 101:
[1683]
[1684] The desired compound 101 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that Boc-cyclohexylglycine is replaced with Boc-isoleucine in step C.
[1685]
[1686] Example 102: Preparation of Compound 102:
[1687]
[1688] Except for replacing amine A with a suitable amine, the desired compound 102 is prepared by the same method as described for the preparation of compound 101 in Example 101.
[1689]
[1690] Example 103: Preparation of Compound 103:
[1691]
[1692] The desired compound 103 is prepared by the same method as described for the preparation of the compound 101 in Example 101, except that the amine A is replaced with a suitable amine and the oxidation is carried out according to the procedure of Example 10, Step J.
[1693]
[1694] Example 104: Preparation of Compound 104:
[1695]
[1696] Except for replacing Boc-cyclohexylglycine with Boc-cyclopentylglycine in Step C and replacing amine A with a suitable amine in Step I, by the same method as described for the preparation of compound 30 in Example 30 104 is prepared.
[1697]
[1698] Example 105: Preparation of Compound 105:
[1699]
[1700] The desired compound 105 is prepared by the same method as described for the preparation of the compound 104 in Example 104, except that amine A is replaced with a suitable amine and the oxidation is carried out according to the procedure of Example 10, Step J.
[1701]
[1702] Example 106: Preparation of Compound 106:
[1703]
[1704] (a) replacing 4-benzyloxy-2-methyl-1-butene with 5-benzyloxy-2-methyl-1-pentene in step A; (b) The desired compound 106 is prepared by the same method as described for the preparation of compound 30 in Example 30, except that amine A is replaced with a suitable amine in Step I.
[1705]
[1706] Example 107: Preparation of Compound 107:
[1707]
[1708] The desired compound 107 was prepared by the same method as described for the preparation of the compound 106 in Example 106, except that in step I, amine A was replaced with a suitable amine, and oxidation was carried out according to the procedure of Example 10, Step J. Manufacture.
[1709]
[1710] Example 108: Preparation of Compound 108:
[1711]
[1712] The desired compound 108 is prepared by the same method as described for the preparation of compound 106 in Example 106, except that amine A is replaced with a suitable amine in Step I.
[1713]
[1714] Example 109: Preparation of Compound 109:
[1715]
[1716] The desired compound 109 was prepared by the same method as described for the preparation of the compound 106 in Example 106, except that in step I, amine A was replaced with a suitable amine and oxidation was carried out according to the procedure of Example 10, Step J. Manufacture.
[1717]
[1718] Example 110: Preparation of Compound 110:
[1719]
[1720] Of Example 1, except that proline 1a is replaced with Boc-3-hydroxyproline in step A and Boc-cyclohexylglycine is replaced with Boc-tert-butylglycine in step D. The desired compound 110 is prepared by the same method as described in the preparation.
[1721]
[1722] Example 111: Preparation of Compound 111:
[1723]
[1724] Except for replacing proline 1a with Boc-3-hydroxyproline in step A and replacing Boc-cyclohexylglycine with Boc-tert-butylglycine in step D, The desired compound 111 is prepared by the same method as described in the preparation.
[1725]
[1726] Assays for HCV protease inhibitory activity:
[1727] Spectrometric Assay:
[1728] For the compounds of the present invention, see R. Zhang et al., Analytical Biochemistry, 270 (1999) 268-275; Spectrometric assays for HCV serine protease are performed by the procedure described in its entirety herein. The assay based on proteolytic degradation of the pigmented ester substrate is suitable for continuously monitoring HCV NS3 protease activity. The substrate is derived from the P side of the NS5A-NS5B linking sequence (Ac-DTEDVVX (Nva), wherein X is A or P), whose C-terminal carboxyl group is comprised of four different chromogenic alcohols (3- or 4). Nitrophenol, 7-hydroxy-4-methyl-coumarin or 4-phenylazophenol). In the following, the synthesis, characterization and application of these novel spectrometric ester substrates to high power screening and detailed epidemiological evaluation of HCV NS3 protease inhibitors are presented.
[1729] Material and method:
[1730] Material: Chemical reagents for assay related buffers are obtained from Sigma Chemical Company (St. Louis, Missouri). Reagents for peptide synthesis are obtained from Aldrich Chemicals, Novabiochem (San Diego, Calif.), Applied Biosystems (Foster City, California) and Perseptive Biosystems (Framingham, Massachusetts). Peptides are synthesized manually or on an automated ABI model 431A synthesizer (Applied Biosystems). UV / VIS spectrometer model LAMBDA 12 is purchased from Perkin Elmer (Norwalk, Connecticut) and 96-well UV plates are obtained from Corning (Corning, New York). Prewarming blocks are obtained from the supplier [USA Scientific (Ocala, Florida)] and 96-well plate vibrators are obtained from the supplier (Labline Instruments (Melrose Park, Illinois)). Spectramax Plus microtiter plate readers equipped with monochrometers are obtained from Molecular Devices (Sunnyvale, California).
[1731] Enzyme Manufacturing:
[1732] See, D.L. Recombinant heterodimeric HCV NS3 / NS4A protease (strain 1a) is prepared using the procedure disclosed in Sali et al., Biochemistry, 37 (1998) 3392-3401. Protein concentrations are determined by the Biorad dye method using recombinant HCV protease standards previously quantified by amino acid analysis. Prior to initiating the assay, enzyme storage buffer (50 mM sodium phosphate pH 8.0, 300 mM NaCl, 10% glycerol, 0.05% lauryl maltoside and 10 mM DTT) utilizing a Biorad Bio-Spin P-6 prepacked column Is exchanged for assay buffer (25 mM MOPS pH 6.5, 300 mM NaCl, 10% glycerol, 0.05% lauryl maltoside, 5 μM EDTA and 5 μM DTT).
[1733] Substrate Synthesis and Purification:
[1734] Substrate synthesis is performed as reported in R. Zhang et al. (Ibid) and standard protocols are described in K. Barlos et al., Int. J. Pept. Protein Res., 37 (1991), 513-520, discloses this synthesis by directing Fmoc-Nva-OH towards 2-chlorotrityl chloride resin. Subsequently, the peptides are assembled manually or on an automated ABI Model 431 peptide synthesizer using Fmoc chemistry. N-acetylated and fully protected peptide fragments were reacted with 10% acetic acid (HOAc) and 10% trifluoroethanol (TFE) in dichloromethane (DCM) for 30 minutes or 2% trifluoro in DCM for 10 minutes. It cut | disconnects from this resin by roacetic acid (TFA). The combined filtrate and DCM washes are azeotropically evaporated (or repeatedly extracted with aqueous Na ₂ CO ₃ ) to remove the acid used for cleavage. The DCM phase is dried over Na ₂ SO ₄ and then evaporated.
[1735] The ester substrate was subjected to a standard acid-alcohol coupling procedure [K. Holmber et al., Acta Chem. Scand., B33 (1979) 410-412]. The peptide fragment is dissolved in anhydrous pyridine (30-60 mg / ml), to which 10 molar equivalents of chromophore and catalytic amount (0.1 equivalents) of para-toluenesulfonic acid (pTSA) are added. Dicyclohexylcarbodiimide (DCC, 3 equiv) is added to initiate the coupling reaction. Product formation was monitored by HPLC and found to be complete within 12-72 hours at room temperature. The pyridine solvent is evaporated in vacuo and further removed by azeotropic evaporation with toluene. The peptide ester is deprotected with 95% TFA in DCM for 2 hours and extracted three times with anhydrous ethyl ether to remove excess chromophore. This deprotected substrate is purified by reverse phase HPLC on a C3 or C8 column using a 30% to 60% acetonitrile gradient (using six column volumes). The overall yield after HPLC purification is approximately 20-30%. The molecular weight was confirmed by electrospray ionization mass spectroscopy. The substrate is stored in dry powder form under drying action.
[1736] Spectrum of Substrate and Product:
[1737] Spectra of the substrate and the corresponding chromophore products are obtained in buffer for pH 6.5 assay. Optimal off-peak wavelength at 1 cm cuvette using multiple dilutions (340 nm for 3-Np and HMC, 370 nm for PAP, 400 nm for 4-Np) Determine the extinction coefficient at. The optimal off-peak wavelength is defined as the wavelength that gives the maximum absorbance fraction between the substrate and the product [(Product OD-Substrate OD) / Substrate OD].
[1738] Protease Assay:
[1739] The HCV protease assay is performed at 30 ° C. using 200 μl reaction mixture in 96-well microtiter plates. Assay buffer conditions (25 mM MOPS pH 6.5, 300 mM NaCl, 10% glycerol, 0.05% lauryl maltoside, 5 μM EDTA and 5 μM DTT) are optimized for NS3 / NS4A heterodimer. See DLSali et al., Ibid. ]. Typically, 150 μl mixture of buffer, substrate and inhibitor are placed in the wells (final concentration of DMSO 4% v / v) and preincubated at 30 ° C. for approximately 3 minutes. The reaction is then initiated using 50 μl of pre-warmed protease (12 nM, 30 ° C.) in assay buffer (final volume 200 μl). The plate was subjected to a constant calibration period (60 minutes) using a Spectramax Plus microtiter plate reader equipped with a monochromator at a suitable wavelength (340 nm for 3-Np and HMC, 370 nm for PAP). And the absorbance change at 400 nm for 4-Np (a plate reader utilizing a cutoff filter can be used to obtain acceptable levels of results). Proteolytic cleavage of the ester linkage between Nva and the chromophore is monitored at a suitable wavelength for the blank without enzyme as a control for non-enzymatic hydrolysis. Over a 30-fold substrate concentration range (about 6-200 μM), substrate dynamics parameters are evaluated. The initial velocity is determined using linear regression and the kinetics constant is obtained by fixing the data to the Michaelis-Menten equation using non-linear regression analysis (Mac Curve Fit 1.1, K. Raner). The turnover number (k _cat ) is calculated assuming that the enzyme is fully active.
[1740] Evaluation of Inhibitors and Inactivators:
[1741] Rearranged Michaelis-Menten equation for competitive inhibition kinetics: v _o / v _i = 1 + [I] _o / (K _i (1 + [S] _o / K _m )) [where v _o is the uncontrolled initial rate, v _i is the initial rate in the presence of an inhibitor of the given inhibitor concentration ([I] _o ), and [S] _o is the substrate concentration used] v _o / v _i Competitive inhibitors Ac-D- (D-Gla) -LI- (Cha) -C-OH (27), Ac-DTEDVVA (Nva) -OH and Ac- by plotting the inhibitor concentration ([I] _o ) The inhibition constant (K _i ) for DTEDVVP (Nva) -OH is determined experimentally at fixed concentrations of enzymes and substrates. The resulting data is then fixed using linear regression and the production slope 1 / (K _i Calculate the K _i value using (1 + [S] _o / K _m )).
[1742] The K _i values obtained for the various macrocycles of the invention are shown in Table 1 above, wherein the compounds are arranged in order of the K _i value range. From these test results, one skilled in the art will clearly see that the compounds of the present invention have excellent efficacy as NS3-serine protease inhibitors.
[1743] Cell Bioassay Method:
[1744] S. Agrawal et al., "Development and Characterization of Hepatitis C Virus Serine Protease Cell-based Trans-Cleavage Assay", Hepatology Supplement to Volume 30 (No. 4, Part 2, October 1999), Abstract No. HCV serine for the compounds of the present invention by the process described in 615 (Proceedings of AASLD 50 ^th Annual Meeting, Dallas, Texas, November 5-9, 1999; its content incorporated herein by reference). Cell bioassay for protease is performed The assay contains NS5A / 5B cleavage recognition sequence and 1BNS4A _21-32 GS-GSNS _3-81 / 17K expression vector, and YFPn1 as an internal standard protein for controlling cytotoxicity In HeLa / Huh7 cells co-transfected with plasmids expressing reporter protein substrates, and subjected to SDS-PAGE of the total cell lysates, followed by Western blot using the monoclonal antibodies directed against the reporter substrates. The protease activity is measured by Western blot detection The substrate cleavage is quantified by scanning the immunoblot on a phosphoimager.
[1745] material:
[1746] Plasmid DNA
[1747] pBFP-5A / 5B-GFP:
[1748] The reporter gene expressing the substrate is a fusion consisting of an N 'terminal blue fluorescent protein (BFP) domain and a C' terminal green fluorescent protein (GFP) domain, separated by 25 amino acids derived from an NS5A / 5B cleavage recognition sequence. Encode your protein. Both GFP and BFP are essentially homogeneous autofluorescent proteins that, when excited by ultraviolet light of the appropriate wavelength, emit green or blue light, respectively. Substitution of four amino acids in the chromophore of GFP changes the wavelength of radiation and converts the protein to BFP.
[1749] The substrate, and the resulting GFP and BFP products, can be detected in cell lysates by immunological methods using monoclonal antibodies that recognize both proteins.
[1750] The BFP-5A / 5B-GFP reporter gene was BFP and GFP autologous isolated by an NS5A / 5B cleavage recognition sequence cloned between the NheI and BamHI restriction endonuclease sites of the pQB125 cloning vector (Quantum Biotechnologies, Inc.). Fluorescent protein coding sequence (Quantum Biotechnologies, Inc., Montreal, Canada). Expression of the fusion protein is under the control of a CMV IE promoter-enhancer. The bovine growth hormone p (A) sequence of the vector provides a polyadenylation signal for mRNA. The NS5A / 5B cleavage sequence is SSGADTEDVVCCSMSYTWTGALVTP. DNA clones are used to identify the clones.
[1751] P1B002: 1bNS4A21-32GS-GS NS 3-81 / 17K:
[1752] Subtype 1b protease is cloned in the vector pC1neo as the Xba1 / Not1 fragment following the CMV promoter.
[1753] YFPn1:
[1754] YFPn1 is purchased from the supplier [CLONTECH (Palo Alto, California)]. A third plasmid is added to the transfection to provide an internal standard protein for controlling cytotoxicity, which does not affect percent protease cleavage.
[1755] Plasmid DNA is maintained and propagated in DH5α cells (obtained from Life Technologies) in LB medium under appropriate antibiotic selection and then purified using a kit (QIAfilter Plasmid Kits (Qiagen; Valencia, California)).
[1756] Cell culture:
[1757] HeLa cells were ligated with Eagle's Minimun Essential Media (EMEM; BioWhittaker, supplemented with 10% fetal calf serum (FCS), 2 mM glutamine, and 100 μ / ml penicillin-streptomycin (BioWhitaker), 2% NaHCO ₃ Walkersville, Maryland).
[1758] Huh7 cells were prepared using Dulbecco's Modified Eagle's medium (DMEM; Maintain and multiply in BioWhittaker).
[1759] SOP process
[1760] The day before transfection
[1761] HeLa cells are seeded in 24-well plates (Falcon 3047 plates) at a density of 6 × 10 ⁴ cells / well and grown overnight at 37 ° C. in a 5% CO ₂ incubator.
[1762] Transfection Date:
[1763] Plasmid DNA is diluted to a final concentration of 0.05 μg / μl in nuclease free water (Promega, Madison, Wisconsin, cat # P119C). 0.75 μg BFP-5A / 5B-GFP are combined and mixed with 0.175 μg P1B002 (0.23 ×) and 0.02 μg YFPn1. The DNA is brought to a final volume of 60 μl using FMEM, glutamine and antibiotic-deficient EMEM. Add in a ratio of 5 μl volume of SuperFect reagent (Qiagen, cat # 301305) per μg total DNA, vortex the mixture for about 10 seconds and incubate for 10 minutes at room temperature to form completely.
[1764] During the complete formation, the growth medium from the cell culture plate is degassed and the cells are washed 1 × with 1 ml PBS (BioWhitaker) without Ca ²⁺ , Mg ²⁺ . Add 350 μL EMEM (supplemented with appropriate supplement-complete medium) to the tube containing the transfection complex and pipet the mixture up and down two or three times. The total volume is transferred to one well of a 24 well culture plate. HeLa cells are incubated with the transfection complex at 37 ° C. and 5% CO ₂ for about 3 hours. The medium containing this transfection complex is removed from the cells by degassing.
[1765] The cells are washed once in about 1 ml PBS, degassed PBS, then 495 μl of complete EMEM is added followed by 5 μl compound / well. The cells are incubated at 37 ° C. and 5% CO ₂ for 22-24 hours.
[1766] Preparation of Cell Melt
[1767] The medium from each well is degassed and washed once with DPBS. Cells are harvested in 100 μl 1 × Tris-SDS-BME Sample Buffer (OWL Separation System, Portsmouth, New Hampshire, cat # ER33) and transferred to microcentrifuge tubes. The cells are then melted by boiling for 3 to 5 minutes. Load at 10 μl / well on SDS-PAGE gel. The melt is cleaved by electrophoresis on 10 cm × 10 cm 12.5% SDS-PAGE (Owl Scientific, cat # OG-0125B) performed at 30 mamp in Tris-glycine-SDS buffer (Owl Scientific). Prior to use, the PVDF membrane (Immobilon-P; 0.45 μm pore size; Millipore, Bedford, Massachusetts) is immersed in 100% methanol for 10 seconds and then the blot is placed in distilled water. The protein is transferred to a PVDF filter membrane (0.45 μm, Millipore) at 108 mamp per gel for 90 minutes using a semi-dry electroblotter.
[1768] Detection of proteins by ECF Western blot (Amersham Pharmacia Biotech, Little Chalfont, England; catalog #RPN 5780). With 5% blocking reagent (from kit) in about 10 ml PBS containing 0.05% Tween 20, pH 7.4 (Sigma Chemicals, St. Louis, Missouri, cat # 3563) overnight in a 2-4 ° C. refrigerator The PVDF filter membrane is blocked. The next day, the membrane is briefly washed twice with TPBS containing 0.05% Tween 20 wash buffer and then washed three times for 5 minutes each time in PBS containing 0.05% Tween 20, pH 7.4. The membranes were incubated in 12 ml of 1: 3000 dilution of anti-GFP monoclonal antibody (Clontech, Palo Alto, California) for 30 minutes in PBS containing 0.05% Tween 20, pH 7.4, while at the same time 1% BSA ( Alumin, bovine cat # A-2153; Sigma) is added to reduce background. The membrane is briefly washed twice with TPBS and then three times for 5 minutes each time in TPBS wash buffer. The membranes are incubated in 12 ml of 1: 600 dilution of anti fluorescein-linked anti mouse Ig in TPBS for 30 minutes. The membrane is briefly washed twice with TPBS and then three times for 5 minutes each time in TPBS wash buffer. To amplify the signal using an ECF substrate, the membrane is incubated for 30 minutes in 10 ml of a 1: 2500 dilution of the antifluorescein alkaline phosphatase conjugate. The membrane is briefly washed twice with TPBS, then three times for 5 minutes each time in TPBS wash buffer. The ECF substrate solution was prepared (divided and frozen) according to the manufacturer's instructions, the membrane was incubated for 2-3 minutes, the excess reagent was drained, blotted with filter paper and air dried for 9-10 minutes. Then scan.
[1769] Scanning of the membrane:
[1770] The blot is placed on the glass of the phosphorizer Storm 860. Blue chemiluminescence is set to 200 pixel size, 700 PMT volts. Files are opened in ImageQuant and quantified by making a square around the band representing the substrate (S), product (P) and internal control (IC). % Cleavage of the substrate is measured as P / (S + P) × 100. The inhibition of cleavage due to the drug was measured and compared in duplicate with the drug control included on each blot. The reporter was created using Excel. The results are shown in Table 2. From these test results, one skilled in the art will clearly see that the compounds of the present invention have excellent efficacy as NS3-serine protease inhibitors.
[1771] TABLE 2
[1772] HCV cell-use assay results:
[1773]
[1774] It will be apparent to those skilled in the art that many alternatives, modifications, and variations of the present invention, both for materials and methods, may be practical. Such alternatives, modifications and variations are also within the spirit and scope of the invention.

权利要求:
Claims (36)
[1" claim-type="Currently amended] Macrocyclic compounds of formula (I) and their enantiomers, stereoisomers, rotomers, tautomers and pharmaceutically acceptable salts or solvates thereof:
Formula I

In the above formula,
X and Y are alkyl, alkyl-aryl, heteroalkyl, heteroaryl, aryl-heteroaryl, alkyl-heteroaryl, cycloalkyl, alkyl ether, alkyl-aryl ether, aryl ether, alkyl amino, aryl amino, alkyl-aryl amino , Alkyl sulfide, alkyl-aryl sulfide, aryl sulfide, alkyl sulfone, alkyl-aryl sulfone, aryl sulfone, alkyl-alkyl sulfoxide, alkyl-aryl sulfoxide, alkyl amide, alkyl-aryl amide, aryl amide, alkyl sulfonamide, Alkyl-aryl sulfonamide, aryl sulfonamide, alkyl urea, alkyl-aryl urea, aryl urea, alkyl carbamate, alkyl-aryl carbamate, aryl carbamate, alkyl hydrazide, alkyl-aryl hydrazide, alkyl hydroxide Amides, Alkyl-aryl Hydroxamides, Alkyl Sulfonyl, Aryl Sulfonyl, Heteroalkyl Sulfonyl, Heteroaryl Sulfonyl, Alkylcarbonyl, Aryl Carbonyl, Heteroalkyl Car Independently selected from carbonyl, heteroaryl carbonyl, alkoxycarbonyl, aryloxycarbonyl, heteroaryloxycarbonyl, alkylaminocarbonyl, arylaminocarbonyl, heteroarylaminocarbonyl residues, or combinations thereof X and Y are aromatic, alkyl, alkyl-aryl, heteroalkyl, aryl-heteroaryl, alkyl-heteroaryl, cycloalkyl, alkyl ether, alkyl-aryl ether, alkyl sulfide, alkyl-aryl sulfide, alkyl sulfone, alkyl- From the group consisting of aryl sulfone, alkyl amide, alkyl-aryl amide, alkyl sulfonamide, alkyl amine, alkyl-aryl amine, alkyl-aryl sulfonamide, alkyl urea, alkyl-aryl urea, alkyl carbamate and alkyl-aryl carbamate May be optionally optionally substituted by a selected moiety;
R ¹ is COR ⁵ or B (OR) ₂ , and R ⁵ is H, OH, OR ⁸ , NR ⁹ R ¹⁰ , CF ₃ , C ₂ F ₅ , C ₃ F ₇ , CF ₂ R ⁶ , R ⁶ , COR ⁷ , R ⁷ is H, OH, OR ⁸ , CHR ⁹ R ¹⁰ or NR ⁹ R ¹⁰ , and R ⁶ , R ⁸ , R ⁹ and R ¹⁰ are H, alkyl, aryl, heteroalkyl, heteroaryl, cycloalkyl , Cycloalkyl, arylalkyl, heteroarylalkyl, CH (R ^{1 '} ) COOR ¹¹ , CH (R ^1' ) CONR ¹² R ¹³ , CH (R ^{1 '} ) CONHCH (R ^2' ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONR ¹² R ¹³ , CH (R ^{1 '} ) CONHCH (R ^2' ) R ', CH (R ^1' ) CONHCH (R ^{2 '} ) CONHCH (R ^3' ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONR ¹² R ¹³ , CH (R ^1' ) CONHCH (R ^{2 '} ) CONHCH (R ^3' ) CONHCH (R ^{4 '} ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONHCH (R ^4' ) CONR ¹² R ¹³ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONHCH (R ^{4 '} ) CONHCH (R ^5' ) COOR ¹¹ , CH (R ^{1 '} ) CONHCH (R ^2' ) CONHCH (R ^{3 '} ) CONHCH (R ^4' ) CONHCH (R ^{5 '} ) CONR ¹² R ¹³ R ^{1 '} , R ^2' , R ^{3 '} , R ^4' , R ^{5 '} , R ¹¹ , R ¹² , R ¹³ and R' are H, alkyl, aryl, hete Independently selected from the group consisting of roalkyl, heteroaryl, cycloalkyl, alkyl-aryl, alkyl-heteroaryl, aryl-alkyl and heteroaralkyl;
Z is selected from O, N or CH;
W may be present or absent, and when W is present, W is selected from C═O, C═S or SO ₂ ;
Q can be present or absent, and when Q is present, Q is CH, N, P, (CH ₂ ) _p , (CHR) _p , (CRR ') _p , O, NR, S or SO ₂ , When Q is absent, M is also absent and A is directly linked to X;
A is O, CH ₂ , (CHR) _p , (CHR-CHR ') _p , (CRR') _p , NR, S, SO ₂ or a bond;
E is CH, N or CR, or a double bond to A, L or G;
G may be present or absent, and when G is present, G is (CH ₂ ) _p , (CHR) _p , or (CRR ′) _p , and when G is absent, J is present and E is G Directly connected to the carbon atom to which it was linked;
J can be present or absent, and when J is present, J is (CH ₂ ) _p , (CHR) _p , (CRR ′) _p , SO ₂ , NH, NR or O, and when J is absent, G is present and E is directly linked to N;
L can be present or absent, if L is present, L is CH, CR, O, S or NR, and if L is absent, M can be present or absent and L is present and M is present When M is directly and independently linked to E, J is directly and independently linked to E;
M may be present or absent, and when M is present, M may be O, NR, S, SO ₂ , (CH ₂ ) _p , (CHR) _p , (CHR-CHR ') _p , or (CRR') _p ;
p is a number from 0 to 6;
R, R ', R ² , R ³ and R ⁴ are H; C1-C10 alkyl; C2-C10 alkenyl; C3-C8 cycloalkyl; C3-C8 heterocycloalkyl, alkoxy, aryloxy, alkylthio, arylthio, amino, amido, ester, carboxylic acid, carbamate, urea, ketone, aldehyde, cyano, nitro; Oxygen, nitrogen, sulfur or phosphorus atoms, wherein the number of oxygen, nitrogen, sulfur or phosphorus atoms is 0 to 6; (Cycloalkyl) alkyl and (heterocycloalkyl) alkyl, wherein the cycloalkyl is made from 3 to 8 carbon atoms, 0 to 6 oxygen, nitrogen, sulfur or phosphorus atoms, the alkyl having 1 to 6 carbon atoms ; Aryl; Heteroaryl; Alkyl-aryl; And alkyl-heteroaryl, wherein the alkyl, heteroalkyl, alkenyl, heteroalkenyl, aryl, heteroaryl, cycloalkyl and heterocycloalkyl moieties may be optionally substituted, and the term "substituted "Alkyl", alkenyl, alkynyl, aryl, aralkyl, cycloalkyl, heterocyclic, halogen, hydroxy, thio, alkoxy, aryloxy, alkylthio, arylthio, amino, amido, ester, carboxylic acid, Refers to those optionally substituted by one or more residues selected from the group consisting of carbamate, urea, ketone, aldehyde, cyano, nitro, sulfonamide, sulfoxide, sulfone, sulfonyl urea, hydrazide and hydroxamate do.
[2" claim-type="Currently amended] The compound of claim 1, wherein R ¹ is COR ⁵ and R ⁵ is H, OH, COOR ⁸ , CONR ⁹ R ¹⁰ .
[3" claim-type="Currently amended] The compound of claim 2, wherein R ¹ is COCONR ⁹ R ¹⁰ , R ⁹ is H, R ¹⁰ is H, CH (R ^{1 ′} ) COOR ¹¹ , CH (R ^{1 ′} ) CONR ¹² R ¹³ , CH (R ^{1 '} ) CONHCH (R ^{2 ′} ) COOR ¹¹ , CH (R ^{1 ′} ) CONHCH (R ^{2 ′} ) CONR ¹² R ¹³ , CH (R ^{1 ′} ) CONHCH (R ^{2 ′} ) (R ′).
[4" claim-type="Currently amended] The compound of claim 3, wherein R ¹⁰ is CH (R ^{1 ′} ) CONHCH (R ^{2 ′} ) COOR ¹¹ , CH (R ^{1 ′} ) CONHCH (R ^{2 ′} ) CONR ¹² R ¹³ , CH (R ^{1 ′} ) CONHCH (R ^{2 '} ) (R'), R ^{1 '} is H or alkyl, R ^2' is phenyl, substituted phenyl, hetero atom-substituted phenyl, thiophenyl, cyclohexyl, cyclopentyl, cyclopropyl, piperidyl , Pyridyl and 2-indanyl.
[5" claim-type="Currently amended] The compound of claim 4, wherein R ^{1 ′} is H. 6.
[6" claim-type="Currently amended] The compound of claim 5, wherein R ^{2 ′} is phenyl, thiophenyl, cyclohexyl, 2-indanyl, cyclopentyl, pyridyl, phenyl (4-HNSO ₂ NH ₂ ), and R ¹¹ is H or tert-butyl And R ¹² and R ¹³ are methyl and R 'is hydroxymethyl or tert-butoxymethyl.
[7" claim-type="Currently amended] The compound of claim 1, wherein R ² is selected from the group consisting of:

[8" claim-type="Currently amended] The compound of claim 7, wherein R ¹ is COR ⁵ and R ⁵ is H, OH, COOR ⁸ , CONR ⁹ R ¹⁰ .
[9" claim-type="Currently amended] The compound of claim 8, wherein L and M are absent and J is directly linked to E. 10.
[10" claim-type="Currently amended] The compound of claim 8, wherein L, J and M are absent and E is directly linked to N. 10.
[11" claim-type="Currently amended] The compound of claim 8, wherein G and M are absent.
[12" claim-type="Currently amended] The residue of claim 8, wherein the residue is

Is selected from the group consisting of the following formulas a, b or c:

[13" claim-type="Currently amended] The compound of claim 12, wherein formula a is selected from the following structures:

[14" claim-type="Currently amended] The method of claim 8,
end Phosphorus Compound:
In the above formula, M may be absent or present, and when M is absent, Q is linked to E.
[15" claim-type="Currently amended] The method of claim 8,
end Phosphorus Compound:
Wherein G and J are independently selected from the group consisting of (CH ₂ ) _p , (CHR) _p , (CHR—CHR ′) _p , and (CRR ′) _p ; A and M are independently selected from the group consisting of O, S, SO ₂ , NR, (CH ₂ ) _p , (CHR) _p , (CHR—CHR ′) _p and (CRR ′) _p ; Q is CH, CR or N.
[16" claim-type="Currently amended] The compound of claim 8, wherein G and J are independently selected from the group consisting of (CH ₂ ) _p , (CHR) _p , (CHR—CHR ′) _p , and (CRR ′) _p ; The residue AELMQ is an aromatic ring consisting of 2 to 8 carbon atoms, 0 to 6 hetero atoms, wherein X and J are in ortho, para, or meta position relative to each other.
[17" claim-type="Currently amended] The method of claim 16,
end Phosphorus Compound:
Wherein R ¹⁴ is selected from the group consisting of H, alkyl, aryl, heteroalkyl, heteroaryl, cycloalkyl, alkyl-aryl, alkyl-heteroaryl, aryl-alkyl and heteroaralkyl.
[18" claim-type="Currently amended] The compound of claim 1, wherein R ³ is selected from the group consisting of:

In the above formula,
R ³⁰ is H, CH ₃ or other alkyl group;
R ³¹ is OH, 0-alkyl, NH ₂ or N-alkyl;
R ³² and R ³³ may be the same or different and are independently selected from H, F, Cl, Br and CH ₃ .
[19" claim-type="Currently amended] The compound of claim 8, wherein R ³ is selected from the group consisting of:

In the above formula,
R ³⁰ is H, CH ₃ or other alkyl group;
R ³¹ is OH, 0-alkyl, NH ₂ or N-alkyl;
R ³² and R ³³ may be the same or different and are independently selected from H, F, Cl, Br and CH ₃ ;
Residue Is one of the following formulas a, b, c, d, e and f:

[Wherein M can be absent or present, and when M is absent, Q is linked to E]
[Wherein G and J are independently selected from the group consisting of (CH ₂ ) _p , (CHR) _p , (CHR—CHR ′) _p , and (CRR ′) _p ; A and M are independently selected from the group consisting of O, S, SO ₂ , NR, (CH ₂ ) _p , (CHR) _p , (CHR—CHR ′) _p or (CRR ′) _p ; Q is CH, CR or N]; And
.
[20" claim-type="Currently amended] 20. The compound of claim 19, wherein Z is N and R ⁴ is H.
[21" claim-type="Currently amended] The compound of claim 20, wherein W is C═O.
[22" claim-type="Currently amended] The compound of claim 21, wherein the residue X-Y is selected from the group consisting of C 1 -C 6 alkyl, O-alkyl, NR-alkyl.
[23" claim-type="Currently amended] The method of claim 21,
Residue end Phosphorus Compound:
In the above formula,
R ^b is directly bonded to Q when Q is present or directly to A when Q is absent; R ^c is linked to W; U ¹ to U ⁶ may be part of a six membered carbon ring or may be part of a five or six membered ring having one or more hetero atoms;
R ^a is H, alkyl, alkoxy, hydroxy, thio, halogen, nitro, cyano, carboxylic acid, ester, amide, amino, nitrile or CF ₃ ;
R ^b is a bond, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, O, S, SO ₂ , NH, O (alkyl), S (alkyl), SO ₂ (alkyl) or N (alkyl )ego;
R ^c is a bond, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, O, S, SO ₂ , NH, O (alkyl), S (alkyl), SO ₂ (alkyl), N (alkyl ) Or CH ₂ -N (alkyl), CH ₂ is linked to an aromatic ring.
[24" claim-type="Currently amended] The compound of claim 21, wherein the residues X-Y are selected from the group consisting of:

[25" claim-type="Currently amended] A pharmaceutical composition comprising the compound of claim 1 as an active ingredient.
[26" claim-type="Currently amended] The pharmaceutical composition of claim 25 for use in treating a disease associated with HCV.
[27" claim-type="Currently amended] The pharmaceutical composition of claim 25, further comprising a pharmaceutically acceptable carrier.
[28" claim-type="Currently amended] A method of treating a disease associated with HCV protease, comprising administering a pharmaceutical composition comprising a therapeutically effective amount of a compound of claim 1 to a patient in need thereof.
[29" claim-type="Currently amended] Use of a compound of claim 1 for the manufacture of a medicament for treating a disease associated with HCV protease.
[30" claim-type="Currently amended] A method of preparing a pharmaceutical composition for treating a disease associated with HCV protease, comprising intimate contact of a compound of claim 1 with a pharmaceutically acceptable carrier.
[31" claim-type="Currently amended] Compounds exhibiting HCV protease inhibitory activity, selected from compounds of the structures listed below, and enantiomers, stereoisomers, tautomers and pharmaceutically acceptable salts or solvates thereof:





















[32" claim-type="Currently amended] A pharmaceutical composition for treating a disease associated with HCV protease, comprising a therapeutically effective amount of one or more compounds of claim 31 and a pharmaceutically acceptable carrier.
[33" claim-type="Currently amended] 33. The pharmaceutical composition of claim 32, further comprising an antiviral agent.
[34" claim-type="Currently amended] 34. A pharmaceutical composition according to claim 32 or 33 which additionally contains interferon.
[35" claim-type="Currently amended] The pharmaceutical composition of claim 34, wherein the antiviral agent is ribavirin and the interferon is α-interferon.
[36" claim-type="Currently amended] Compound of the formula

Wherein V is OR or NHR and R is H or alkyl; X, Y, Q, A, M, W, L, E, G, J, Z, R ³ and R ⁴ are as defined in claim 1.

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引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2000-04-05|Priority to US19460700P

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2000-04-05|Priority to US60/194,607

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2001-04-03|Application filed by 쉐링 코포레이션

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2003-05-09|Publication of KR20030036152A

优先权:

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申请号 | 申请日 | 专利标题

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US19460700P| true| 2000-04-05|2000-04-05|

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US60/194,607|2000-04-05|