Method of obtaining substituted 2-phenylimino oxasolidinones-4

专利摘要:
The invention relates to a herbicidally and/or algicidally active compound of the general formula <CHEM> wherein R1 is a substituted or non-substituted alkyl group having 1-6 carbon atoms, or an alkenyl or alkynyl group having 2-6 carbon atoms; R2 is a halogen atom; a nitro group; a cyano group; a substituted or non-substituted benzyl, phenyl, phenoxy, phenylthio, phenylsulphinyl, phenylsulphonyl or phenylsulphonyloxy group; or a halogenated or non-halogenated alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl or alkylsulphonyloxy group having 1-4 carbon atoms; R3 is a hydrogen atom, a halogen atom, or an alkyl group having 1-4 carbon atoms; and X is O or S; or a salt of this compound with an organic or inorganic acid.
公开号:SU1574172A3
申请号:SU884356318
申请日:1988-08-30
公开日:1990-06-23
发明作者:Веллинга Кобус；Х.Х.Эссен Якобус
申请人:Дюфар Интернэшнл Рисерч Б.В. (Фирма)；
IPC主号:

专利说明:

The invention relates to a method for producing new substituted 2-phenylimino-oxazolidinones-4, which have herbicide and / or algaecide properties and can be used in agriculture to control growth or to prevent the growth of weeds.
The aim of the invention is to create a process for the preparation of new compounds, the 2-aryl-iminooxazolidinone-4 series, with improved herbicidal and / or algaecidal activity.
According to the proposed method, the following new 2-phenyliminoxazolidinone-4 compounds are obtained, which
s
rye can be used in herbicidal compositions:
I
2- (3-triFluoromethylPhenylimino) -3-methyloxazolidinone-4 (1),);
2- (3-trifluoromethylphenylimino) -3-ethyloxazolidinon-4 (2),
2- (3-chlorophenylimino) -3-methyloxazolidinone-4 (3);
2- (3-chloro-4-fluorophenylimino) -3-methyloxazolidinone-4 (4);
2- (3-trifluoromethylthioPhenylimino) - -3-allyloxazolidinone-4 (5) h,
2- (3-trifluoromethoxyphenylimino 3- -methyloxazolidinone-4 (b)
2- (3-nitrophenylimino) 3-methyloxazolidinone-4 (7)}
2- 3- (1, 1, 2,3,3,3-hexafluoropropoxy) Phenylimis-3-methyloxazolidinone-4 (8) 2-H3- (2-chloro-1,1,2-trifluoroethoxy) Phenylimino -3-methyloxazolidinone-4 (9);
2- JJ3-0, 1,2, 2-tetrafluoroethoxy)
phenylimino1 3-methyloxazolidinone-4
(YU);
2- (3,4-dimethylphenylimino) -3-methyloxazolidinone-4 (11);
2- (3-methylphenylimino) -3-methyloxazolidinone-4 (12);
2- (3-methoxyphenylimino) -3-methyl-oxazolidinone-4 (13);
2- (3-cyanophenylimino) -methyl oxazolidinone-4 (14);
2- (3-triFluoromethyl-4-chlorophenylimino) -3-methyloxazolidinone-4 (15)
2- (3-ethylphenylimino) -3-methyloxazolidinone-4 (16);
2- (3-methylthiophenylimino) -3-methyl-oxazolidinone-4 (17);
. 2- (3-trifluoromethylthioPhenylimino) - -3-methyloxazolidione-4 (18);
2- (3-benzylphenylimino) -3-methyloxazolidinone-4 (19)
2- (3-bromophenylimino) -3-methyloxazolidinone-4 (20),
2- (3-bromophenylimiko) 3-ethyloxazopidinone-4 (21),
2- (3-phenylphenylimino) -3-methylox-zolidinone-4 (22) in
2- (4-chlorine fenshmino) -3-methyloxazolidinone-4 (23), J
2- (4-fluorophenylimino) 3-methyl-oxazolidinone-4 (24);
2- (4-trifluoromethylphenylimino) -3-methyloxazolidinone 4 (25) .i
2- (3-difluoromethylphenylimino) -3-methyloxazolidinone-4 (26)
0
five
0
five
0
five
2- (3-nitrophenylimino) -3-methyloxazole adinon-4 (27);
2- (3-methylsulfonyloxyphenylimino) -3-methyloxazolidinone-4 (28) j
2- (4-bromophenimino) -3-methyloxazolidinone-4 (29),
2- (3-trifluoromethylsulfinylphenylimino) -3-methyloxazolidinone-4 (30);
2- (3-triFluoromethylsulfonylphenylimino) -3-methyloxazolidinone-4 (31);
2- (3-difluorotes, siphenylimino) -3- -methylok.azolidinone-4 (32),
2- (3-phenylsulphonylphenylimino) -3- -methyloxazolidinone-4 (33),
2- (-3-nitro-4-fluorophenylimino) -3-methyloxazolidinone-4 (34);
2- (3-triFluoromethylphenylimino) 3-methyloxazolidin-4-thione (35)
(, 1,2,2-tetrafluoroethylthio) phenylimino-3-methyloxazolidinone-4 (36);
2-Ј3- (1,1,2,3,3,3-hexafluoropropyl-thio} phenyl imino-3-methyloxazolidinone-4 (37),
2- 3- (1,1,2,2-tetraFluoroethylsul-Fonyl) Phenylimino-3-methyloxazolidinone-4 (38);
2- (3-isopropoxyphenylimino) -3-methyloxazolidinone-4 (39),
2- (3-difluoromethylsulfonylphenyl-amino) -3-methyloxazolidinone-4 (40),
2- (3-ethylthiophenylimino) -3-methyloxazolidinone-4- (41),
2- (3-p-propylthiophenylimino) -3-methyloxazolidinone-4 (42);
2- (3-trifluoromethylsulfonyloxyphenylimino) -3-methyloxazolidinone-4 (43),
2- (3-p-progtilsulfonylphenylimino) -3-methyloxazolidinone-4 (44)}
2- (3-DiFluoromethylthioPhenylimino) -ZH-methyloxazolidinone-4 (45);
2- Јz- (1,1,2,3,3,3-hexafluoropropylsulfonyl) phenylimino -2-methyloxazolidinone-4 (46)}
(2,2,2 trifluoroethoxy) Phenylimino-3-methyloxazolidinone-4 (47).
Example 1. Preparation of 2- (3-β-trifluoromethylphenylimino) -3-methyloxazolidinone-4 (compound 1).
a) 51.5 g of 3-trifluoromethylformanilide was added with stirring to a mixture of 22 ml (36.4 g) of sulphuryl chloride and 82 ml of (134.4 g) of thionyl chloride at a temperature below 10 ° C. The reaction mixture was then stirred at room temperature. for 18 h, after which the thionyl chloride is distilled off at
515
reduced pressure. The residue is distilled under vacuum. The desired N-dichloromethylene-3-trifluoromethylaniline is obtained in a yield of 43.1 g as a liquid with a bp 1 09-11 7 ° C (47-49) 10 Pa.
b) 3.87 g of N-dichloromethylene-3-triFluoromethylanil-I obtained in stage a are added dropwise at room temperature to a suspension of 1.57 g of N-methylglycolic acid amide and 5.0 ml (3.64 g) triethylamine in 20 ml of dry toluene with stirring. After stirring for about 20 hours at room temperature, the precipitate is sucked off and washed with dry diethyl ether. The entire organic phase (toluene solution and washing liquid) is successively washed with diluted caustic soda and water and then dried. After evaporation, a syrupy liquid is obtained with a yield of 3.87 g. The desired 2- (3-tri-fluoromethylphenylimino) -3-methyloxazolidinone-4 can be obtained in pure form by chromatography (silica gel as absorbing agent, methylene chloride as carrier) or by distillation. The resulting substance has a mp of 55-55 ° C.
The following compounds are prepared analogously: 2 - oil, RЈ. (CFZC12) 0.45; 3 m.p. 7b ° C; 4 - m.p. 110dC, - 5 - so pl. 50-53 ° С; 6 - oil,) 0,25, 7 - so pl. 128 ° C 8 - oil, RrCCHjCli) 0.20 | 9 - oil; R.f (CHjCl4) 0.18; 10 - oil, P.t (CH2Cli) 0.22; 11 - so pl. 79 ° C; 12 - so pl. 81 ° CJ 13 - m.p. 96 ° C, 14 - so pl.
15 - so pl. 109 ° С, 16 - th.p.60.5-62 ° С; mp.115 ° C; 18 - oil, E, (SNGS1g) 0.45, 19 - oil, 10.15, 20 - m.p. 88 ° C, 21 - oil, Ri (CHiCl4) 0.25; 22 - mp. 79-810С {23 - m.p. 24 - so pl. 75 ° C; 25 - so pl. 130 ° Oh, 26-kp. 146-148 ° C / 0.8 mm Hg-; 27 - mp. 133 ° C,
28- R4 (CHrCl2) ./ CH3CN 19/1) 0.35i
29-mp 174 ° C-, 32 - bp. 127 - 128 ° C / 0.2 mm Hg /; 33 - R ± (CHaClz / / CH3CN 19/1) 0.40} m.p. Software, 5- 111.5 ° C, 40 - bp 138-142 ° C / / 0.25 mm; 45 - P. (SNGS / S -OSgN
 4/1) 0.50; 47 - m.p. 63.5-68 ° C, as well as 2- (3-mercaptophenylimino (-3-methyloxazolidinone-4 is the starting compound for the preparation of compounds. 36, 37 41 and 42.
726
Example 2. Preparation of 2 - (. 3-three fluoromethylsulfinylphenylimino) -3-methyl xazolidinone-4 (30).
In an ice-cooled solution of 43.5 g of 2- (3-triFluoromethylthiophenylimino) -3-methyloxazolidinone-4, prepared in Example 1, in 500 ml of dichloromethane, portions of 33% of 85% of 3-chloro perbenzoic acid. After stirring at room temperature overnight, 500 ml of 5% sodium bicarbonate solution are added. The layers are then separated the organic layer is successively washed twice with sodium bicarbonate solution (100 ml) and water (100 ml). After drying and evaporation of the solvent, the desired compound is obtained in the form of a liquid with a yield of 46.3 g. The compound is purified by distillation at 197–202 ° C and 1.8 mm Hg.
Elemental analysis.
Found,%: C 42.86 {H, 2.93; F 18.88; S 10.18J N 9.10.
C4 {H9P, 0.8
Calculated.: C 43.14 H 2.96, F 18.61-, S 10.47} N 9.15.
RЈ (CHtCyCHjCN 95/5) 0.25.
In an appropriate manner, using twice the amount of 3-chloroperobenzoic acid, the corresponding sulfonyl compound 31 is obtained.
Ri (CH2Cla / CH3CN 95/5) 0.44.
Elemental analysis.
Found,%: C 41.13, H 2.91, F 17.24; S 9.91, N 8.63.
C. F3NZ04S
Calculated: C 41.00 H 2.82; F 17.69; S 9.95j N 8.69.
The following compounds from their respective thio compounds are prepared accordingly; compound 38 - Ri (CH2Cl1 / C2Hs.OC2Hs- 3/1) 0.50; Compound 44 - P.Ј (CH .., C12) 0.30 and compound 46 - R, (CH2C12 / C2H5OSGH 3/1) 0.50.
The compounds produced by the proposed method can be used to control the growth of unwanted vegetation (e.g., aquatic plants and small algae). The novel compounds are characterized by high herbicidal activity after germination, but are particularly active as herbicides before germination. The proposed compounds are used before germination (including pctv) for
suppressing monocotyledonous weeds, for example, Poa annua (annually blue Grass), Avena Fatois (oats), Alopecus myosuruyes (black grass), Panikum milyaseum (millet) and Ethynochlorus crucis galli and dicotyledon weeds, for example, Galinsog parviflora hell - Lyme aparine, Genopodium Album, Datura Stramonium. Polygonum convolvulus (Dika buckwheat), Kapsella / Bursa-Pastoris (shepherd's purse), Stellaria Media, Senecio Vulgaris, Veronica Arvensis, 1 Pome PurPurea, Matrikarii Sp., Amaranthus Spp, So Lanum Nigrim Surg. Disk, Polygonum Avikulare, Sonchus Arvensis, Silibum Mariaium, Xanthium 1} Ensilvanicum, Ipomee Murikat, Ipomea Gederetsea, Ipomea Lukunoza, Kassia Obtuzifolia, Sid Spinoza, Anodo Cristomer Portulaca oleracea, etc., in various useful plants, for example, cereals (cave, rice, oats and barley), in legumes (b, both, peas, with, and alfalfa), in corn, in sunflower, in beet and pasture meadows. In addition, they can be used to combat water spreads and other types of small algae (Voucheria, Kladofora, Mourestia).
For practical use, the compounds are processed, in composition. In such compositions, the active substance is mixed with a solid carrier or dissolved, or dispersed in a liquid carrier, if desired, in combination with auxiliary substances, for example emulsifiers, wetting agents, dispersants and stabilizers.
Examples of compositions are aqueous solutions, solutions in organic solvents, pastes, dusting powders, dispersing powders, miscible oils, granules and tablets,
Dispersing powders, pastes and blend oils are compositions in the form of concentrates that are diluted before or during use.
Solutions in organic solvents are mainly used when introduced from air, namely, when a large area is treated with a relatively small amount of the composition. Solutions of active substance in organic
0
Q 5 0
35 40
45
50
55 solvents may also contain phytotoxicity reducing substances, such as fat from wool, fatty acid from wool, or fatty alcohol from wool.
Granular compositions are prepared, for example, in the form of porous granules (on pumice stone or special clay), mineral, non-porous granules (sand or ground marl), organic granules (on dry coffer, cuts of tobacco stalks or ground corn stalks). The granular composition can also be obtained by compressing the active substance together with a powdered mineral in the presence of a lubricant and a binder, separating the compressed product to the desired grain size and sieving it. Granular compositions can be obtained by mixing the active substance in the form of a powder with a powdered filler and then rolling the mixture into particles of the desired size.
Sprayable powders can be obtained by intensively mixing the active substance with an inert solid powdered carrier, for example talc.
Dispersible powders are prepared by mixing 10-80 mash. solid inert carrier, for example kaolin, dolomite, gypsum, chalk, bentonite, attapulgite, colloidal SiOz or their mixture with similar substances, with 1-5 wt.h „dispersant, for example lignin sulfonates or alkyl naphthenes sulfonates; May .h. a wetting agent, for example fatty acid sulfates, alkylaryl sulfonates, fatty acid condensation products or polyoxyethylene compounds, and other additives.
To prepare miscible oils, the active substance is dissolved in a suitable solvent that does not mix well with water, and one or more emulsifiers are added to this solution. Suitable solvents are high molecular weight alcohols, for example lauric, decanol or octanol, xylene, toluene, oil products rich in aromatic hydrocarbons, distilled coal tar or mixtures of these liquids. As emulsifiers
for example, polyoxyethylene compounds and / or alkylaryl sulfonate can be used. The concentration of the active compounds in these miscible oils is not limited to narrow limits and may vary, for example, in the range of 2-50% by weight.
i In addition, a liquid and highly concentrated primary composition can be used — a solution of the active substance in an easily water-soluble or water-miscible liquid, for example, glycol, glycol ether or dimethylformamide, a dispersant is added to the solution and, if necessary, the surface-active substance . When diluted with water shortly before or during the spraying, an aqueous dispersion of the active substance is obtained.
The compositions may also contain other substances, for example, a calcium or magnesium stearate lubricant may be added to the dispersing powder or mixture prior to granulation. Adhesive additives in the form of polyvinyl cellulose or its derivatives or other colloidal materials (casein) can also be added to improve adherence of the composition to the plant. In addition, a substance can be added to reduce the phytotoxicity of the active substance, carrier material or adjuvant, for example wool lard or fatty alcohol wool.
You can also enter in the composition
| plant growth regulators
and / or pesticides. As a result
the activity spectrum of the composition is expanded and a synergistic effect can be obtained. You can add to these compositions and fertilizers.
The dosage of the composition desired for practical use depends on various factors, such as the application, the selected active substance, the form of the composition, the nature and size of the weeds or algae and the beneficial plant, and weather conditions.
Good results can be obtained with a dosage of 0.01-10 kg of active substance ke 1 ha, preferably 0.1-3 kg / ha.
Example 3. A. Obtaining a solution of the active substance, namely 2- (3-triFluoromethylphenylimino) -3-methyl
741

ten
15
20
25
thirty
35

40
45
50
55
72 U
oxazolidinone-4 in the form of a water-miscible liquid (liquid).
10 g of specified active substance | The solution is dissolved in a mixture of 10 ml of isophorone and approximately 70 ml of dimethylformamide, after which polyoxyethylene ether and ricinal are added as an emulsifier in an amount of 10 g.
Other active substances are suitably treated to obtain 10 or 20% liquids.
In a suitable manner, liquids are prepared in N-methylpyrrolidone and isophorone as solvents.
B. Preparation of a solution of the active substance in an organic solvent.
10 g of the active substance to be studied is dissolved in 1000 ml of acetone in the presence of 1.67 g of emulsifier as a mixture of alkyl aryl sulfonate and nonylphenol polyoxyethylene. This solution, after dilution to the desired concentration, is used for spraying.
C. Preparation of the active substance emulsifiable concentrate:
10 g of the active substance to be studied is dissolved in a mixture of 15 ml of isophorone and 70 ml of xylene, 5 g of a mixture of polyoxyethylene ester sorbitan and alkyl benzene sulfonate is added to the solution as an emulsifier.
D. Preparation of dispersible powder (PD) of the active substance.
25 g of the active substance to be studied are mixed with 68 g of kaolin in the presence of sodium butyl naphthalene sulfonate and 5 g of lignin sulfonate.
E. Preparation of suspension concentrate (fluid) active substance.
i A mixture of 10 g of active substance
2 ли lignin sulfonate and 0.8 g sodium alkyl sulphate are added with water to 100 ml.
F. Preparation of granules of the active substance.
7.5 g of the active substance, 5 g of sulphite liquor and 87.5 g of ground dolomite are mixed, after which the mixture is converted into a granular composition by the so-called crimping method.
Example 4. Effect on weeds (before germination) in a greenhouse.
The proposed compounds are used in an amount of 3 kg / ha against the following
weeds: Galinsog parviflora (Gp), Genopodium album (Ca), Polygonum convoluted Vulc (RS) and Panicum milaceum (millet, Hg). Before weed germination, the soil is sown with a liquid for spraying, prepared according to Example 3B with a sprinkler, suitable for this purpose. Herbicidal activity is assessed after 3 weeks.
Weed damage in percent is given in Table 1. For comparison, the well-known herbicidal substance, 2- (4-chloro-phenylamino) 3-me-, tyloxazolidine, is also tested.
1 Example 5. Impact on sorts (ppt) in a greenhouse.
The proposed compounds in the composition as shown in Example 4 are mixed with the top soil in an amount of 3 kg / ha. Then the following weeds are sown: Etinhlokrugsgali (Ee), polygonum avikulare (Ra), Ipomea purpurea (1p) and Senecio vulgaris (Sv). After 3 weeks, the herbicidal activity is assessed.
Weed damage in percent is given in Table 2.
Example 6. Impact on weeds (before germination) in a greenhouse.
In the same manner as in Example 5, the proposed compounds are tested on Panivum Milyaceum (Pm), Henopodium (Ca) and Polygonum convuluvus (Pc) weeds, in different dosages.
The test results are shown in table 3.
Example 7, Selective effect on different weeds (before germination).
The proposed compounds are tested in a greenhouse in the compositions of Example 3B in different doses on different weeds, namely Panicum miliaceum (millet), Henopodium album and Polygonum convulsive. In addition, the following beneficial plants are present: Gossipum hirsutum (cotton, Gh) and Glycine max (co, Gw).
After 3 weeks, damage to beneficial plants is assessed and average weed damage is determined.
Damage in percentages are given in table 4.

权利要求:
Claims (1)
[1]
Invention Formula
The method of obtaining the substituted 2-phenyliminoxazolidinone-4 - with the general formula D
yo, o
Of
0
five
0
five
R,
where R (- С С-alkyl or С-С-alkenyl,
12 - halogen, nitro, cyano, phenyl, benzyl, phenylsulfonyl or non-halogenated or halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl or alkylsulfonyloxy groups with 1-4 carbon atoms in the alkyl part - hydrogen, halogen or C, -C4 alkyl,
 characterized in that the compound of general formula
NYL / C1
R
 Nci
where R2 and R3 have the indicated meanings, are reacted with a compound of the general formula
R.
40
RI O HN-C-CH2-OH
where Cd, has the indicated values, in an inert organic solvent medium in the presence of an organic
bases and isolate the target product or, if necessary, the target product, where R is a non-halogenated or halogenated C-C-alkylthio group, is treated with an oxidizing agent
i obtain the desired product, where RЈ is nHalogenated or halogenated C-C alkylsulfinyl or C 1 -C 4 alkylsulfonyl.
15
1574172
sixteen
Table 3
17
1574172
18 Continuation of table 4

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优先权:

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申请号 | 申请日 | 专利标题

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NL8602786|1986-11-04|

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