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    • 专利摘要:
    Compounds of formula: <CHEM> and stereoisomers thereof, wherein the substituents have the meaning given in claim 1; and metal complexes thereof. The compounds are useful mainly as fungicides but also as plant growth regulators and insecticides/nematocides.
    公开号:SU1665875A3
    申请号:SU884356041
    申请日:1988-07-08
    公开日:1991-07-23
    发明作者:Маргарет Энтони Вивьенн；Мартин Клаф Джон；Дефрейн Пол；Ричард Эйлз Годфри Кристофер；Джелф Кроули Патрик；Фергусон Ян；Гордон Хичингс Майкл
    申请人:Империал Кемикал Индастриз, Плс (Фирма)；
    IPC主号:
    专利说明:

    AND
    hydrochloric acid. The mixture is extracted with dimethyl ether (x 3). The combined ether extracts are extracted with saturated sodium bicarbonate solution. The aqueous phase is acidified with hydrochloric acid (pH 2-3), (a resinous substance is obtained. Rubbing with a small amount of methanol. A white solid is obtained (1.27 g, 25% yield). Recrystallization in water gives a 2-D-cyanopyridine- 2-yloxy) phenyl acetic acid as a white solid. Mp. 120 ° C. And K: 1672cm 1.
    1H NMR (d6DMCO. 60 MHz) 5, ppm: 3.45 N, s); 7.05-7.45 (5H, m); 8.25-8.35 (m, 1H); 8.6 1H, d); 6.3 (W, 1H).
    This acid (3.0 g, 0.0118 mol) is stirred at reflux in methanol (50 ml) containing concentrated sulfuric acid (0.1 ml) for 3 hours. The mixture is cooled, water is added ( 200 ml) and extracted with diethyl ether (3 x 50 ml). The combined ether extracts are washed with saturated sodium bicarbonate solution (30 ml), water (3 x 30 ml) and brine (1 x 30 ml). After drying and filtering, the ether solution is evaporated, megyl -2-2- (5-cmanopyridin-2- (loxy) phenyl acetate is obtained as an amber oil (2.77 g, yield 87.5%). IR: 2200, 1700 cm 1H NMR () d, ppm: 3.5 (5H, s); 6.8- 7.3 (5H, m); 7.8 (1H, q); 8.3 (1H, d); p. d.
    Trimethylsilyl trifluoromethylsulfonate (1.42 g, 0.0064 mol) was added dropwise to a solution of triethylamine (0.65 g, 0.0064 mol) in diethyl ether (10 ml) at room temperature. The mixture was left to stand for for 20 minutes, then added dropwise over 15 minutes to a stirred solution of methyl 2- {2- (5-cyanopyridyloxy) phenyl acetate (1.15 g; 0.0043 mol) in ether (10 ml ) at 0-5 ° C. The mixture was allowed to warm to room temperature and stirred for 1 hour, giving a two-phase mixture. The upper layer (solution A) is left.
    Titanium tetrachloride (1.22 g, 0.0064 mol) is added dropwise to a stirred solution of trimethyl orthoformate (0.71 g, 0.0064 mol) in dichloromethane (10 ml) at -70 ° C. The resulting yellow precipitate is stirred for 15 minutes and solution A is added dropwise over the course of 20 minutes at -70 ° C. The mixture is stirred at −70 ° C. for 1 hour, then it is allowed to warm to room temperature and the mixture is stirred for an additional 1 hour.
    Add saturated sodium carbonate solution (50 ml) and filter the mixture. The filtrate is extracted with diethyl ether (3 x 20 ml). Combined Organic Extracts
    washed with water (3 x 15 ml), brine (15 ml), after drying and filtering, the ether solution was evaporated to dryness under reduced pressure. Chromatography of the residue (hexane / ether)
    gives the target compound in the form of a glassy product, which, after trituration with methanol, forms white crystals (40 μsh. yield 3%), so pl. 108.5-109.5 ° C. 1H NMR d, ppm: 3.58 (ЗН, s); 3.75 (ЗН, s);
    6.9 (1H. D); 7.1 (1H, d); 7.28-7.4 (2H, m); 7.45 (1H, s); 7.85 (1H, q); 8.45 (1H, s).
    Example 2. (E) -Methyl-2- {2- (5-methoxycarbonylpyridin-2 -yloxy) phenyl-3-methoxyacrylate (Compounds 141, Table 1).
    Methyl -2-2- (5-cyanopyridin-2-yloxy) phenyl acetate (2.03 g; 0.008 mol) obtained in Example 1. The mixture was boiled under reflux in a solution of potassium hydroxide (1.0 g; 0.017 mol ) in water (30 ml) in
    for 16h The solution is cooled to room temperature, adjusted to pH 2-2 by the addition of hydrochloric acid. The precipitate formed is filtered, washed with a small amount of ice-cold.
    water and dried at 95 ° C (1.83 g). Recrystallization from aqueous methanol gives 2- {2 - (5 -carboxypyridin-2-yloxy) phenyl acetic acid (1.83 g) as white crystals, m.p. 187-188 ° C.
    IR: 3400, 2556, 1710. 1686.
    1H NMR (deDACO) d, ppm: 3.42 (2H, s); 6.32 (1H. Br.); 6.95-7.44 (5H, m); 8.1 (1H, brs); 8.27 (1H, q); 6.62 (1H. D).
    A mixture of - (5-carboxypyridin-2 yloxy) phenyl acetic acid (1.46 g, 0.0053 mol), methyl iodide (1.52 g; 0.00107 mol), potassium carbonate (2.95 g, 0.021 mol) and DMF is stirred at room temperature for 3 hours. The mixture is poured into water (100 ml).
    and extracted with diethyl ether (2 x 40 ml). The combined organic extracts are washed with water (3 x 20 ml) and brine (20 ml). After drying, filtering and evaporation of the ether solution, methyl 2- {2- (5-methoxycarbonylpyridin-2 -yloxy) phenyl acetate is obtained in the form of an oil (0.73 g).
    1H NMR dpm: 3.45 (ЗН. S); 3.47 (2H, s); 3.79 (ЗН, s); 6.73-7.3 (5H, m); 8.2 (1H, q); 8.7
    5 (1H, d).
    Trimethylsilyl trifluoromethanesulfonate (0.81 g; 0.0036 mol) was added dropwise to a solution of triethylamine (0.37 g; 0.0036 mol) in dmtil ether (10 ml) at room temperature.
    temperature After settling for 20 minutes, the resulting solution is added dropwise to a solution of methyl 2 - 2 - {5-methoxy-carbonyl-pyridin-2-yloxy) phenyl acetate in diethyl ether (10 ml) at 0-5 ° C over 20 minutes . The mixture is stirred and warmed to room temperature over 3 hours. The upper bright layer from this mixture is left (solution A).
    In another flask, a solution of titanium tetrachloride (0.69 g, 0.0036 mol) in dichloromethane (5 ml) is added to a solution of trimethyl orthoformate (0.4 g, 0.0036 mol) in dichloromethane (10 ml) with -70 ° C. The resulting yellow precipitate was stirred at -70 ° C for 15 minutes. Solution A is added to the mixture dropwise over 10 minutes at -70 ° C. The mixture was stirred for 1 hour, left to stand for 16 hours. A saturated solution of sodium carbonate (50 ml) is added and the mixture is filtered. The filtrate is extracted with diethyl ether (3 x 20 ml), the combined organic extracts are washed with water (3 x 15 ml) and brine (15 ml). After drying the filtration, the ether solution is evaporated to give a gummy residue. The desired compound is obtained as an oil by chromatography (using hexane as eluent) (20 mg).
    1H NMR d, ppm: 3.47 (ZN, s); 3.62 (ЗН, s); 3.92 (ZN.s); 6.75-7.3 (5H, m); 7.32 (1H, s); 8.15 (1H, q); 8.72 (1 N, d).
    Example (E Methyl-2- {2- (5-benzyloxycarbonylpyridin-2 -yloxy) phenyl} -3-methoxyacrylate (compound 184).
     - (5-Carboxypyridin-2-aloxide) phenyl acetic acid (1.5 g; 0.005 mol) obtained in Example 1 is boiled in a mixture of methanol (50 ml) and sulfuric acid (0.1 ml) with reflux for 8 hours. The mixture is evaporated to half the volume, cooled, poured into water (100 ml) and then extracted with diethyl ether (2 x 30 ml). The combined organic extracts are extracted with saturated sodium bicarbonate. The alkaline extract is acidified with hydrochloric acid to pH 2-3, cooled in a mixture of ice and water, and the resulting white precipitate is filtered off, washed with water and dried at 95 ° C to obtain methyl -2-2- (5-carboxypyridin-2 alkoxy) phenyl acetate (0.63 g), so pl. 118 ° C.
    1H NMR, ppm: 3.52 (3N, s); 3.57 (2H. S); 6.88-7.4 (5H, m); 8.3 (1H, q); 8.88 (1H, d).
    A mixture of methyl 2- {2- (5 -carboxypyridin-2-yloxy) phenyl acetate (0.63 g; 0.0022 mol), benzyl bromide (0.37 g; 0.0021 mol), potassium carbonate (0.6 g; 0.0043 mol) and DMF (30 ml) is stirred at room temperature for 1 h. The mixture is poured into water (100 ml) and extracted with diethyl ether (2 x 30 ml). The combined organic extract was washed with water (3 x 15 ml) and brine (15 ml). After drying and filtering, the ether solution is evaporated to give methyl - (5-benzyloxycarbonyl-pyridin-2-yloxy) phenyl acetate in the form of a colorless gum, which is purified by chromatography (hexane). The title compound is a colorless solid (0.69 g), so pl. 56 ° C.
    IR: 1735, 1722cm 1.
    1H NMR d, ppm: 3.44 (ZN, s); 3.5 (2H, s): 5.24 (2H, s); 6.75-7.4 (5H, m); 8.2 (1H, q); 8.76 (1H, d).
    Trimethylsilyl trifluoromethyl sulfonate (0.61 g; 0.0027 mol) was added dropwise at room temperature to a solution of triethylamine (0.277 g; 0.0027 mol) in diethyl ether (5 ml). The mixture is allowed to settle for 20 minutes, the resulting solution is added to a stirred mixture of methyl 2-2- (5-benzyloxycarbonylpyridin-2-yloxy) phenyl acetate and diethyl ether (5 ml) at 0-5 ° C for 15 minutes. The resulting mixture was stirred and warmed to room temperature over 3 hours, then diluted with dichloromethane (5 ml) and left (solution A).
    A solution of titanium tetrachloride (0.52 g; 0.0027 mol) in dichloromethane (2 ml) is added dropwise to a solution of trimethyl orthoformate (0.301 g; 0.0077 mol) at -70 ° C. The resulting yellow precipitate was stirred at -70 ° C for 15 minutes, solution A was added dropwise over 30 minutes at -70 ° C. The mixture was stirred, allowed to warm to room temperature over 1 hour, then left to stand for 15 hours. A saturated solution of sodium carbonate (30 ml) was added, the mixture was stirred, then filtered. The filtrate is extracted with ether (3 x 15 ml). The combined ether extracts are washed with water (3 x 10 ml) and brine (10 ml). After drying and filtering, the ether solution is evaporated to give a gum. The target compound is isolated by chromatography (eluent is hexane).
    1H NMR 6, ppm: 3.55 (ЗН, s); 3.60 (3N, s): 5.35 (2H, s); 6.82 (1H, d); 7.18-7.48 (m, including one proton singlet at 7.39), 8.25 (1H, q), 8.25 (1 H, d).
    Example 4: As described in Example 1, the following compounds were prepared:
    (E) -methyl-2- 2 - (5-chloropyridin-2-yloxy) phenyl-3-methoxyacrylate (compound M), m.p. 77-78 ° C: IR: 1700, 1725, 1260, 1200 cm 1.
    1H NMR d, ppm: (CDCi3): 3.57 (ZN, s); 3.74 (ЗН, s); 6.75 (F, d) - 7.41 (1H, s); 8.10 (1H, sch.c); 7.1-7.6 (m);
    (E) -methyl-2- {2 - {5 -nitropyridin-2-yloxy) phenyl-3-methoxyacrylate (240 mg) as a yellow resin, which crystallizes on standing, m.p. 107-109 ° C;
    (Ј} -methyl-2-2 (4-chlorpyridin-2-yloxy) phenyl -2-methoxyacrylate (compound 61, Table 1), mp 120-121, 5 ° С; 1Н NMR (5, m .d .: 3.60 (36, s); 3.80 (AH, s); 6.60 (1H, d, g 4 Hz), 7.40 (1H, s), 8.40 (1H , d,);
    (E) -methyl-2- 2 - {5-chloropyridin-2-ethyl-C) phenyl-3-methoxyacrylate (compound 14), in the form of a thick resin, IR: 1700, 1630.
    (E) -mix-2- 2- (5-bromopyridin-2-ylsulfinyl) phenyl-3-methoxyacrylate as a gum;
    (E) -methyl-2- 2 - {5-bromopyridin-2 - |) 1lsulfonm) phenyl-3-methoxyacrylate in the form of an amorphous solid; (E) -methyl-2- {2- (6-methylpyridin-3-yloxy) phenyl-3-methoxyacrylate as a pale yellow oil (compound 45, Table 1), IC 1705.1642, 1488 1H NMR d, ppm: 2.52 (ЗН, s); 3.63 (ЗН, s); 3.81 (ЗН, s); 6.88 (1 H, d); 7.04-7.32 (5H, m); 7.51 (1H, s); 8.26 (1H, d). Other compounds listed in Table 2 are prepared similarly. one,
    The structure of all compounds was confirmed by the data of nuclear proton resonance spectra,
    Example 5 An emulsifiable concentrate is prepared by mixing and mixing the ingredients until all of them are dissolved,%:
    Connection 6110
    Benzyl alcohol30
    Calcium Dodecylbenzenesulfonate 5
    NonylphenolZethoxylate (13 moles of ethylene oxide) 10
    Alkylbenzenes45
    Limer 6. The active ingredient is dissolved in methylene dichloride, the resulting liquid is sprayed onto the granules of attapulgite clay. The solvent is then allowed to evaporate, receive the composition in the form of granules,%:
    Compound 145
    Attapulgite granules95
    Example. A composition suitable for seed dressing is prepared by grinding and blending the three ingredients,%; Connection 6150
    Mineral oil2
    Chinese clay 48 Example. Dust powder is prepared by grinding and mixing the active ingredient with talc,%:
    Compound 615
    Talc95
    EXAMPLE 9 A slurry concentrate is prepared by ball milling of ingredients and obtaining an aqueous suspension,%:
    Connection 6140
    0 sodium lignosulfonate 10
    Bentonite clay1
    Water49
    This formulation can be used as a spray when diluted with water or used directly for processing.
    An example. The wettable powder form is prepared by mixing and grinding ingredients to form a homogeneous mixture,%:
    Compound 6125
    Sodium lauryl sulfate 2
    Sodium lignosulfonate 5
    Silica 25
    5 Chinese clay43
    Example 11 Compounds are tested against a variety of fungal diseases of plant foliage. The technology applied in the tests is as follows.
    0 Plants are grown in compost for pots (no. 1 or 2) in mini-pots with a diameter of 4 cm. Test compounds are converted into the finished form of the preparation either by grinding with water dispersant 5 Sol T or in the form of a solution in acetone or a mixture of acetone and ethanol, which is diluted to the required concentration immediately before use. In the case of foliage diseases, preparations (100 ppm of the active ingredient) are sprayed onto the leaves and applied to the roots of plants in the soil. Sprays are applied to maximum surface retention and the roots are moistened to a final concentration equivalent to 5 to about 40 ppm of active ingredient in dry soil. When the sprays are applied to cereals, Tween 20 is added to obtain a final concentration of 0.05%.
    0 In most of the tests, the compound is applied to the soil (to the roots) and to the foliage (by spraying) one or two days before the plant is infected with the disease. An exception is the test against Erysiphe 5 gramlnls, in which plants are inoculated 24 hours before treatment. Deciduous pathogens are applied by spraying spore suspensions onto the leaves of test plants. After inoculation, the plants are placed in an appropriate environment to allow the disease to develop, and then incubated until the inoculation is ready for evaluation. The period between inoculation and assessment is 4-14 days depending on the disease and the surrounding conditions.
    The efficacy of a relationship to the disease is assessed according to the following scale:
    4 - no disease;
    3 - traces - 5% of the disease on untreated plants;
    2 - 6-25% of the disease on untreated plants;
    1-26% -59% disease on untreated plants;
    O - 60-100% of the disease on untreated plants.
    The results are shown in Table. 2
    PRI me R 12. Illustrates the properties of compounds 14-16, 22, 61, 132 and 138-140 to regulate plant growth.
    These compounds are screened for activity on controlling plant growth in six plant species. The plant species used in this screen are shown in Table. 3 indicating the leaf stage at which the plants are sprayed.
    The preparation of each chemical is used in the amount of 4000 ppm (4 kg / ha) with a field volume of 100 l / ha using a crawler sprayer and a SS8004E nozzle (Teejet). Additional testing was performed on tomatoes using 2000 and 500 ppm;
    After spraying, the plants are grown in a greenhouse with a daytime temperature of 25 ° C and at night of -22 ° C. The exception is cereals of a temperate climate (wheat and barley), which are grown at daytime temperatures of 13–16 ° C, nightly (-11Н-13) ° С When necessary, additional lighting is used to ensure an average photoperiod duration of 16 hours (minimum 14 hours).
    After 2-6 weeks of being in the greenhouse, depending on the species and time of year, the plants are assessed visually for morphological characteristics compared to control plants sprayed with plan-preparations (without active substance). The results are presented in table. 4 (where G is the effect of immaturity, A is apical damage, T is tillering or the formation of lateral shoots, NT is not tested against this species, skipping is less than 10%).
    PRI me R 13. Illustrates the insecticidal properties of some compounds of formula (I).
    The activity of each compound is determined against a number of insects, mites and nematode pests. The compound is used in the form of liquid preparations containing 100-500 ppm by mass of the compound. Preparations are prepared using
    0 dissolving the compound in acetone and diluting the solutions with water containing 0.1% by weight of a wetting agent (SIN-PERONIC HRP), as long as the liquid preparations do not contain the required product concentration.
    The test procedure applied to each of the pests is basically the same and involves placing a number of pests on the environment (usually
    0 plant-host or feed, which fed on pests) and treatment or environment or pests, or both of these drugs. Pest mortality is estimated 1-7 days after treatment.
    5 The test results are given in table. 5 and 6 for each of the products, the scale of mortality is 9, 5, or 0, where 9 is 80-100% mortality (70-100% reduction in root regrowth compared to
    0 untreated plants in the case of Meloidogynes incognita), 5 - 50-79% mortality (50-69% reduction in root regrowth in the case of Meloidogynes incognita). 0 = less than 50% mortality (reduction of раст root growth for Meloidogyne incognita). Compounds obtained by the proposed method, in particular compound 11, are compared with the known - strobilurin-A formula
    0
    QC1L
    45
    SNCh0, C
    about l
    0
    five
    The fungicidal activity of these compounds on plants is confirmed by tests carried out using the general procedure (Example 11), except that both compounds are used in the form of preparations containing 25 million T1 of the active ingredient. In the case of compound 11, the preparation was applied only by spraying onto the foliage. In the case of strobilurin-A, the preparation is applied by spraying onto the foliage, as well as by washing the root layer of the soil.
    Results:
    PyYIcularla Cereospora Plasmopare orytae drachldicela oltlcola (rice) (peanuts) (grapes)
    The results show that compound 11 is more active than strobilurin-A as a plant fungicide, even when using stromblurin-A in a combined manner - foliar spraying / soaking the root layer, and compound 11 is only foliar spraying.
    Conducted tests showed that the compounds belong to the category of low toxicity.
    权利要求:
    Claims (1)
    [1]
    Invention Formula
    The method of obtaining the E-isomers of acrylic acid derivatives of General formula
     pine trees
    CH
    OCH3
    where W is a pyridinyl or pyrimidinyl group substituted by halogen, C1 C4 alkyl, which, in turn, may be replaced by halogen, phenyl. C1 C4-alkoxy, a phenoxy group which may be
    W,
    0
    204
    substituted by 1-methoxycarbonyl-2-methoxyethylenome, halogen, cyano or nitro; an amino, formamido, nitro, cyano or N-oxide group, or a W-quinolinyl or quinazolinyl group, optionally substituted by halogen and bonded to A by one of the carbon atoms of the ring; A - oxygen or group S (0) n. where n is 0, or 1, or 2, provided that when W is 5-trifluoromethylpyridinyl-2-, then A is not oxygen, characterized in that in an acetal of formula II
    five
    W-A
    COOCI-L
    I3
    .SI
    NCH (
    3/2 where W and A have the indicated values, methanol is eliminated under acidic or basic conditions.
    Priorities by the sign: 04/17/86 with W - all values, A - oxygen; 12/23/86 with A - other values.
    Table 1 С02СН,
    Continuation of table 1
    Continuation of table 1
    4-t
    Continued table. one
    Resin
    7,
    2236- (2-nitrophenoxy) pyrimidin-4-i
    J
    Note .. Chemical shift of SNGLSTA from the olefinic proton on the beta-methoxyacrylamine group (ppm of tetramethylsilane) Solvent CDCl. Geometry of beta-methoxyacrylate group.
    Continuation of tabl1
    | s | A | s b. but .
    II
    II
    120-121
    7.52
    .I 5 5 2 I U-2 Note. - spraying foliage only 25
    - only olryskipnie foliage 10 ppm X only spraying of foliage 40 ppm
    but
    BR W MZ AR
    RC TO
    Krasna is sweet
    1-1.5 sheets4
    1-1.5 sheets4
    2.25-2.5 sheets1
    4-5 leaves1
    2-2.5 sheets 2-2.5 sheets
    Note. IP-gorgochny compost.
    Continuation of table 2
    Spreadsheets
    JIP L IP Peat .IIP
    JIP Peat
    Note. x 2000 h / ml. 500 chu
    Tecranychus urtical (spider mites and eggs)
    Chile parlel-lys
    (corn stalk tops)
    Siabrocica calteala (lichnoy leaf beetle)
    Musca dotnefftica
    (indoor flies - adults)
    Meloidogyne incognta (root growth nematode tomato - larvae)
    Leaf French Bean Pin
    Oilseed Rape
    Residual
    Filter paper - Residual hectares / corn seeds
    Cotton / Sugar
    Contact 1
    Semi-invitro
    Residual
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    同族专利:
    公开号 | 公开日
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    US5633256A|1997-05-27|
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    HUT43239A|1987-10-28|
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    EP0391451A1|1990-10-10|
    EP0387923B1|1994-02-16|
    AP8700061A0|1987-02-01|
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    AU7119687A|1987-10-22|
    US5057146A|1991-10-15|
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    LV10241A|1994-10-20|
    CS265687A2|1989-11-14|
    EP0387923A2|1990-09-19|
    CN1021720C|1993-08-04|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    AU535637B2|1977-09-13|1984-03-29|Ici Australia Limited|2-phenoxypyrimidines and their. use as herbicides|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    GB868609454A|GB8609454D0|1986-04-17|1986-04-17|Fungicides|
    GB868630825A|GB8630825D0|1986-12-23|1986-12-23|Fungicides|LV920259A| LV5123A3|1986-04-17|1992-12-07|Acceptance of Acrylic Coupling Derivatives E-Isomers|
    LTRP397A| LT2120B|1986-04-17|1993-03-05|THE ACCOUNT OF THE ACRYLIC SEASON E-ISOMER|
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