WO2010043148A1 - 2-氰基-3-(取代)胺基-3-苯基丙烯酸酯类化合物、制备方法及其应用 - Google Patents
2-氰基-3-(取代)胺基-3-苯基丙烯酸酯类化合物、制备方法及其应用 Download PDFInfo
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- WO2010043148A1 WO2010043148A1 PCT/CN2009/074216 CN2009074216W WO2010043148A1 WO 2010043148 A1 WO2010043148 A1 WO 2010043148A1 CN 2009074216 W CN2009074216 W CN 2009074216W WO 2010043148 A1 WO2010043148 A1 WO 2010043148A1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/42—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by singly-bound nitrogen atoms, not being further bound to other hetero atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/08—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
- C07D207/09—Radicals substituted by nitrogen atoms, not forming part of a nitro radical
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/61—Halogen atoms or nitro radicals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/10—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/12—Radicals substituted by oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Definitions
- the present invention relates to the field of agricultural fungicides, and more particularly to a 2-cyano-3-(substituted)amino-3-phenyl acrylate compound, a composition, a process for the preparation thereof, and the use of a crop fungicide. Background technique
- 2-cyanoacrylates were first seen in French patents in 1969, but it was not until 1981 that the hill reaction inhibitory activity of compound 1 was first reported. Such compounds have attracted great interest and synthesis. , the activity and mode of action have been studied in depth. Many of the 2-cyano-3-(substituted)amino-3-substituted phenylacrylic acids and their derivatives have a 3-substituted amine group such as Compound IV, Compound V and Compound VI. However, the structure of such a compound is different from that of the present invention.
- European Patent EP 885.45 reports that certain other compounds such as 2-cyano-3-(substituted)amino-3-substituted anilino acrylates are reported to have bactericidal activity, but the structures of these compounds are also different from the structure of the present invention.
- X and Y are respectively fluorine, chlorine, bromine, an alkyl group having 1 to 3 carbon atoms and an alkoxy group, a nitro group or a trifluoromethyl group.
- An object of the present invention is to provide a 2-cyano-3-(substituted)amino-3-phenylacrylate compound which can control various crop diseases at a small dose.
- Another object of the present invention is to provide a process for the preparation of the above compounds.
- Still another object of the present invention is to provide the use of the above compounds in crop bactericides.
- the object of the invention can be achieved by the following measures:
- Ri or R 2 are each independently hydrogen, dC 6 unsubstituted or substituted alkyl, Ci-C 6 alkoxy, C 2 -C 6 ester, d-C 6 carboxylic, C 3 -C 6 naphthenic a heterocyclic methyl group, a C 3 -C 6 allyl group, a C 3 -C 6 propargyl group or a benzyl group, wherein the substituent of the substituted alkyl group is a halogen, a hydroxyl group or a cyano group Or alkoxy, said substituent of said substituted heterocyclylmethyl is halogen or monocyclic aryl; R 3 is C 3 -C 8 alkyl, C 3 -C 6 haloalkyl, C 3 - C 6 Alkoxyalkyl, C 3 -C 6 cycloalkyl or C 3 -C 6 heterocycloalkylmethyl.
- R 2 is preferably independently hydrogen, CC 6 unsubstituted or substituted alkyl, CC 6 alkoxy, C 2 -Q ⁇ , d-C 6 carboxylic acid, C 3 -C 6 cycloalkyl, non a substituted or substituted heterocyclylmethyl, allyl, propargyl or benzyl group, wherein the substituent of the substituted alkyl group is a halogen, a hydroxyl group, a cyano group or an alkoxy group, and the substituted heterocyclic group The substituent of the group is 13 ⁇ 4 or benzyl, and the heterocyclylmethyl group is pyrrole or hydrogenated pyrrolemethyl, pyridylmethyl or thiazolylmethyl.
- R 3 is preferably a C 3 -C 6 alkyl group, a C 3 -C 6 cycloalkyl group or an oxocyclopentanylmethyl group.
- Ri or R 2 is further preferably independently hydrogen, dC 6 alkyl, dC 6 chloroalkyl, dC 6 hydroxyalkyl, C-Ce cyanoalkyl, dC 6 alkoxyalkyl, d-C 6 alkane, respectively.
- R 3 is further preferably a C 3 -C 6 alkyl group, a cyclohexyl group or an oxocyclopentanyl group.
- R 2 is independently hydrogen
- R 3 is C 3 -C 6 alkyl such as n-propyl, isopropyl, n-butyl, isobutyl or sec Butyl.
- R 2 or R 3 is as defined above.
- cyanoacetate is first added to a solution containing ethylene glycol in ethylene glycol dimethyl ether, and then benzoyl chloride is added to carry out the reaction, and finally acidified to obtain 2-cyano-3-hydroxy-3-benzene.
- Base acrylate; another method for preparing compound II is: in a solvent containing cyanoacetate in dichloroethane, simultaneously adding benzoyl chloride and an acid binding agent triethylamine, finally filtering, and concentrating the filtrate to acidify 2-cyano-3-hydroxy-3-phenyl acrylate.
- R 3 is a C 3 - 0>alkylalkyl group and various substituted alkoxyalkyl groups and a - ⁇ substituted alkyl group containing one or more halogen atoms such as fluorine, chlorine, bromine and iodine.
- R 3 containing C 3 - C 6; 3 ⁇ 4 an alkyl group and various substituted alkyl and alkoxy containing one or more halogen atoms such as fluorine, chlorine, bromine, iodine C 3 - C 6 alkoxy substituted base.
- the compound II and phosphorus oxychloride are placed in a 1:1.1 molar configuration in an inert solvent of dichloromethane or dichloroethane as a solvent, and the acid-binding agent triethylamine is added dropwise. After the completion of the dropwise addition, the reaction is continued for several hours, and then the alkali is used. And, extract, dry. Distilled liquid 2-cyano-3-chloro-3-phenyl acrylate (the following compound ⁇ ), the chemical reaction is as follows:
- the compound of the present invention has a systemic activity and can be used as a foliar and soil fungicide. Can be applied to control a variety of crop diseases, such as wheat scab, cotton blight, pepper Phytophthora, 7J rice seedling disease, melon gray mold, wheat sheath blight, 7J rice blast, wheat rust Other diseases have better control effects.
- crop diseases such as wheat scab, cotton blight, pepper Phytophthora, 7J rice seedling disease, melon gray mold, wheat sheath blight, 7J rice blast, wheat rust Other diseases have better control effects.
- the invention also provides a fungicide composition prepared by using the above compound as an active ingredient and other auxiliary agents (carriers), And a process for the preparation of the composition, the compound of formula I is admixed with a carrier which may comprise a single compound of the invention or a mixture of several compounds.
- the composition according to the invention is preferably present in an amount of from 1 to 99% by weight of active ingredient.
- the carrier of the composition of the present invention is a substance which satisfies the following conditions; it is formulated with the active ingredient to facilitate application to the site to be treated, for example, plant, seed, or soil; or is advantageous for storage, transportation or handling.
- the carrier may be a solid or a liquid, and includes a material which is usually a gas but which has been compressed into a liquid, and a carrier which is usually used in the preparation of the germicidal composition can be used.
- Suitable solid carriers include natural and synthetic clays and silicates such as diatomaceous earth, talc, attapulgite, aluminum silicate (kaolin), montmorillonite and mica; calcium carbonate; calcium sulfate; ammonium sulfate; And synthetic calcium silicate or aluminum silicate; elements such as carbon and sulfur; naturally synthesized resins such as benzofuran resins, polyvinyl chloride and styrene polymers and copolymers; solid polychlorinated phenols; asphalt; waxes such as beeswax , paraffin.
- natural and synthetic clays and silicates such as diatomaceous earth, talc, attapulgite, aluminum silicate (kaolin), montmorillonite and mica; calcium carbonate; calcium sulfate; ammonium sulfate; And synthetic calcium silicate or aluminum silicate; elements such as carbon and sulfur; naturally synthesized resins such as benzofuran resins, polyvinyl chloride and st
- Suitable liquid carriers include water; alcohols such as isopropanol and ethanol; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone and cyclohexyl ketone; ethers; aromatic hydrocarbons such as benzene, toluene and xylene; petroleum fractions such as Kerosene and mineral oils; chlorinated hydrocarbons such as carbon tetrachloride, perchloroethylene and trichloroethane, usually mixtures of these liquids are also suitable.
- the pesticidal composition is usually processed into the form of a concentrate and used for transport, which is diluted by the user prior to use.
- the presence of a small amount of surfactant carrier aids in the dilution process.
- at least one of the carriers is preferably a surfactant, for example the composition may contain at least two carriers, at least one of which is a surfactant.
- the surfactant can be an emulsifier, dispersant or wetting agent; it can be a nonionic or ionic surfactant.
- suitable surfactants include polyacrylic acid and sodium and lignosulfonate salts and calcium salts; condensation of fatty acids or fatty amines or amides having at least 12 carbon atoms in the molecule with ethylene oxide and/or propylene oxide a mixture of glycol, sorbitol, sucrose and pentaerythritol fatty acid esters and fatty amines or amides with ethylene oxide and/or propylene oxide; fatty alcohols or alkylphenols such as p-octylphenol or p-octylcresol a condensation with ethylene oxide and/or propylene oxide; a sulfate or a sulphate of these condensation products; an alkali or alkaline earth metal containing at least 10 carbon atoms of sulfuric acid or sulfonate in the
- compositions of the present invention are wettable powders, powders, granules and solutions, emulsifiable concentrates, emulsions, suspension concentrates, aerosols, and aerosols.
- Wettable powders usually contain 25, 50 or 75% by weight of active ingredient, and usually contain 3-10% by weight of dispersing agent in addition to the inert carrier, and if necessary, 0-10% by weight of stabilizer, and/or other additives are added.
- the powder may usually be formed into a powder concentrate having a composition similar to that of the wettable powder but without a dispersing agent, and further diluted with a solid carrier in the field to give a composition usually containing 0.5 to 10% by weight of the active ingredient.
- Granules are usually prepared to have a size of 10-100 mesh (1.676-0.152 mm), which can be made by agglomeration or injection technology. Ready. Typically, the granules will contain from 0.5 to 75% by weight of active ingredient and from 0 to 10% by weight of additives such as stabilizers, surfactants, sustained release modifiers.
- the so-called "flowable dry powder” has a relatively small particle composition with a relatively high concentration of active ingredient.
- Emulsifying concentrates in addition to solvents, usually contain a cosolvent, 1-50% W/V active ingredient, 2-20% W/V emulsifier and 0-20% W/V other additives such as stabilizers, infiltration when needed.
- suspension concentrates usually contain 10-75% by weight of active ingredient, 0.5-15% by weight of dispersant, 0.1-10% by weight of other additives such as antifoaming agent, corrosion inhibitor, stabilizer, penetration Agents and adhesives.
- Aqueous dispersions and emulsions for example compositions obtained by diluting a wettable powder or concentrate according to the invention with water, are also within the scope of the invention.
- the emulsion may be of two types, water-in-oil or oil-in-water.
- the compounds of the present invention are useful for controlling diseases caused by fungi (such as Fusarium, Rust or Botrytis, etc.) on plants.
- fungi such as Fusarium, Rust or Botrytis, etc.
- the compound represented by the compound I of the present invention is against Gibberella zeae, Fusarium oxysporum, Phytophthora capsici, and rice blast disease.
- Gibberella fujikuroi) Botrytis cinerea
- Rhizoctonia solani have good inhibitory activity.
- A-1 Preparation method of 2-cyano-3-hydroxy-3-phenylpropionate n-propyl ester 1 :
- the compound represented by the compound I of the present invention is against the wheat scab Gibberella zeae. cotton blight ox_3 ⁇ 4ro /w), ji3 ⁇ 4 ((Phytophthora capsici). rice blast disease
- Botrytis cinerea and Rhizoctonia solani have good inhibitory activity.
- the compounds Nol, No2, No3 and No 4 have the best effects.
- Bactericidal activity test Toxic medium method
- the drug compound Nol 2-cyano-3-(substituted)amino-3-phenyl acrylate was prepared into a concentration of 2 ⁇ g/ml to prepare a drug-containing medium, and then transferred to wheat after 8 hours.
- Scab C/Me e//s ⁇ 3 ⁇ 4e
- Compound A* is a known compound: 2-cyano-3-amino-3-phenyl acrylate
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Description
说明书
2-氰基 -3- (取代)胺基 -3-苯基丙烯酸酯类化合物、 制备方法及其应用 技术领域
本发明涉及农用杀菌剂领域, 具体说涉及一种 2-氰基 -3- (取代)胺基 -3-苯基丙烯酸 酯类化合物、 组合物及其制备方法以及在农作物杀菌剂的应用。 背景技术
2- 氰基丙烯酸酯类化合物最早见于 1969年的法国专利, 但直至 1981年第一次报道 了化合物 1的 hill反应抑制活性, 此类化合物才引起了人们的极大的兴趣, 并对其合成, 活性与作用方式进行了深入研究。 而许多 2-氰基 -3- (取代)胺基 -3-取代苯基丙烯酸和它 们的衍生物具有 3-取代胺基如化合物 IV 、 化合物 V及化合物 VI。 但该类化合物的结构 与本发明的结构不同。
化合物
欧洲专利 EP885.45报道某些其他化合物 如 2-氰基 -3- (取代)胺基 -3-取代苯胺基丙 烯酸酯报道其具有杀菌活性,但这些化合物得结构同样与本发明的结构不同。
(化合物 VIII )
其中, X、 Y 分别为氟, 氯, 溴, 碘后含 1-3 个碳原子的烷基及烷氧基、 硝基或三 氟甲基等基团。该专利首次报道了该类化合物具有杀菌活性,但该专利通式中不包括本专 利申请的化合物 I中 X 、 Υ均为为氢原子的通式的化合物。
2004年专利公开号 CN 1559210A 2-氰基 -3-氨基 -3-苯基丙烯酸乙酯防治农作物病害 的应用作为杀菌剂的应用和专利 申请号: CN200410065145.6报道的化合物 2-氰基 -3-氨 基 -3-苯基丙烯酸乙酯防治水稻恶苗病的应用以及申请号 CN200810023843.8报道的 2-氰 基—3—氨基—3-苯基丙烯酸甲酯防治农作物病害的应用作为杀菌剂的应用, 该两个化合物均 为已知化合物。这两个化合物同样不包括在本发明专利申请的化合物通式 I所包括的化合 物中。 发明内容
本发明的目的在于提供一种在很小的剂量下就可以控制各种农作物病害的 2-氰基 -3- (取代)胺基 -3-苯基丙烯酸酯类化合物。
本发明的另一目的在于提供一种上述化合物的制备方法。
本发明还有一个目的在一于提供上述化合物在农作物杀菌剂的应用。
本发明的目的可以通过以下措施达到:
一种 2-氰基 -3- (取代)胺基 -3-苯基丙烯酸酯类化合物, 具有式 (I)结构:
Ri或 R2 分别独立地为氢、 d-C6非取代或取代烷基、 Ci- C6烷氧基、 C2- C6酯基、 d- C6羧酸基、 C3- C6环烷基、 非取代或取代杂环基甲基、 C3- C6烯丙基、 C3- C6炔丙基或 苄基, 其中所述的取代烷基的取代基为卤素、 羟基、 氰基或烷氧基, 所述的取代杂环基甲 基的取代基为卤素或单环芳基; R3为含 C3- C8烷基、 C3- C6卤代烷基、 C3- C6烷氧烷基、
C3- C6环烷基或 C3- C6杂环烷甲基。
或 R2优选分别独立地为氢、 C C6非取代或取代烷基、 C C6烷氧基、 C2- Q^ 基、 d- C6羧酸基、 C3- C6环烷基、 非取代或取代杂环基甲基、 烯丙基、 炔丙基或苄基, 其中所述的取代烷基的取代基为卤素、羟基、 氰基或烷氧基, 所述的取代杂环基甲基的取 代基为 1¾素或苄基, 所述的杂环基甲基为吡咯或氢化吡咯甲基、 吡啶甲基或噻唑甲基。; R3优选为含 C3- C6烷基、 C3- C6环烷基或氧代环戊烷甲基。
Ri或 R2 进一步优选分别独立地为氢、 d-C6烷基、 d-C6氯代烷基、 d-C6羟基烷基、 C -Ce氰基烷基、 d-C6烷氧烷基、 d- C6烷氧基、 乙酸乙酯基、 d- C4羧酸基、 环丙烷基、 环已烷基、 苄基取代的氢化吡咯甲基、 氯代吡啶甲基、 氯代噻唑甲基、 烯丙基; R3进一 步优选为含 C3- C6烷基、 环已烷基或氧代环戊烷甲基。
本发明的一类最优选的化合物,其中 或 R2 分别独立地为氢; R3为含 C3- C6烷基, 如正丙基、 异丙基、 正丁基、 异丁基或仲丁基。
一种制备 2-氰基 -3- (取代)胺基 -3-苯基丙烯酸酯类化合物的方法, 其总的反应方程 式如下:
其中 、 R2或 R3的定义如上所述。
在制备化合物 II时,先在含有乙醇镁的乙二醇二甲醚的溶液中加入氰乙酸酯,再加入 苯甲酰氯进行反应, 最后酸化得到 2-氰基 -3-羟基 -3-苯基丙烯酸酯; 另一种制备化合物 II 的方法为: 在含有氰乙酸酯的二氯乙烷溶剂中, 同时加入苯甲酰氯和縛酸剂三乙胺反应, 最后过滤, 滤液浓缩后酸化得 2-氰基 -3-羟基 -3-苯基丙烯酸酯。
在制备化合物 ΙΠ时,将 2-氰基 -3-羟基 -3-苯基丙烯酸酯与三氯氧磷在惰性溶剂二氯甲 烷或二氯乙烷中,滴加縛酸剂三乙胺反应,得到 2-氰基 -3-氯 -3-苯基丙烯酸酯。
A. 本发明的化合物 I的中间体 2-氰基 -3-氯 -3-苯基丙烯酸酯 (下称化合物 III )具体按下 列方法制备:
(化合物 II )
其中: R3 为含 C3- 0>烷基烷基及各种取代的烷氧基烷基及含有一个或多个卤素 原子如氟、 氯、 溴, 碘的 - ^取代烷基。
制备方法一:
在配置的乙醇镁的乙二醇二甲醚的溶液中, 在 20°C下滴加等摩尔的氰乙酸酯后, 冷却至 0 °C后加入等摩尔的苯甲酰氯反应, 在室温下搅拌, 最后酸化得产品 2-氰基 -3-羟 基 -3-苯基丙烯酸酯 (下称化合物 Π ), 化学反应方程式如下:
(化合物 II )
制备方法二:
在含有氰乙酸酯的二氯乙烷溶剂中, 冷却至 0°C , 两边同时滴加等摩尔的苯甲酰氯和 縛酸剂三乙胺反应, 滴完后在室温下搅拌数小时后经过滤, 滤液浓缩后用酸化得产品 2- 氰基 -3-羟基 -3-取代 -3-苯基丙烯酸酯 (下称化合物 Π ), 化学反应方程式如下:
(化合物 II )
其中: R3 为含 C3- C6 ;¾基烷基及各种取代的烷氧基烷基及含有一个或多个卤素原子 如氟、 氯、 溴, 碘的 C3- C6取代烷基。 制备方法:
将化合物 II与三氯氧磷以 1 : 1.1 摩尔配置以惰性溶剂二氯甲烷或二氯乙烷为溶剂,滴 加縛酸剂三乙胺, 滴完后继续搅拌反应数小时后,用碱中和、 萃取、 干燥.蒸馏得液体 2-氰 基 -3-氯 -3-苯基丙烯酸酯 (下列化合物 ΙΠ ), 化学反应如下:
(化合物 II ) (化合物 ΙΠ)
B. 2-氰基 -3-取代胺基 -3-苯基丙烯酸酯 (化合物 I )具体按下列方法制备,有如下结构式:
(化合物 I )
将该化合物 in与各种取代胺或氨以惰性溶剂二氯甲烷. 二氯乙烷或四氢呋喃等为溶 剂在 0~70°C下搅拌反应数小时后经过滤,脱溶,水洗得到化合物 I 。化学反应方程式如下:
(化合物 III) (化合物 I ) 本发明的化合物具有内吸活性可以用作叶面和土壤杀菌剂。可应用于防治多种农作物 病害, 例如对小麦赤霉病、 棉花枯萎病、 辣椒疫霉病、 7J稻恶苗病、 瓜类灰霉病、 小麦紋 枯病、 7J稻稻瘟病、 麦类锈病等病害均有较好的防效。
本发明还提供了以上述化合物为活性成分,与其他助剂(载体)制成杀真菌剂组合物,
以及该组合物的制备方法, 通式 I的化合物与载体混合, 这种组合物可以含本发明的单 一化合物或几种化合物的混合物。
按照本发明的组合物, 优选含量从 1-99 %重量的活性成分。 本发明组合物的载体是 满足下述条件的物质; 它和活性成分配制后便于施用于待处理的位点, 例如可以是植物、 种子、 或土壤; 或者有利于储存、 运输或操作。 载体可以是固体或液体, 包括通常为气 体但已压缩成液体的物质, 通常在配制杀菌组合物中所用的载体均可使用。
合适的固体载体包括天然和合成的黏土和硅酸盐例如硅藻土、 滑石、 硅镁土、 硅酸铝 (高岭土)、 蒙脱石和云母; 碳酸钙; 硫酸钙; 硫酸铵; 合成的氧化硅和合成的硅酸钙或 硅酸铝; 元素如碳和硫 ; 天然合成的树脂如苯并呋喃树脂, 聚氯乙稀和苯乙烯聚合物和 共聚物; 固体多氯苯酚; 沥青; 蜡如蜂蜡, 石蜡。
合适的液体载体包括水; 醇如异丙醇和乙醇; 酮如丙酮、 甲基乙基酮、 甲基异丁基酮 和环已基酮; 醚; 芳烃如苯、 甲苯和二甲苯; 石油馏分如煤油和矿物油; 氯代烃如四氯化 碳, 全氯乙烯和三氯乙烷, 通常这些液体的混合物也是适用的。
农药组合物通常加工成浓缩物的形式并以此用于运输, 在使用之前由使用者将其稀 释。 少量的表面活性剂载体存在有助于稀释过程。 这样, 按照本发明的组合物中, 至少一 种载体优选是表面活性剂,例如组合物可含有至少两种载体,其中至少一种是表面活性剂。
表面活性剂可以是乳化剂、分散剂或润湿剂;它可以是非离子的或离子的表面活性剂。 合适的表面活性剂的例子包括聚丙烯酸和木质素磺酸钠盐和钙盐; 分子中含至少 12个碳 原子的脂肪酸或脂肪胺或酰胺与环氧乙烷和 /或环氧丙烷的缩和物; 甘醇, 山梨醇, 蔗糖 和季戊四醇脂肪酸酯和脂肪胺或酰胺与环氧乙烷和 /或环氧丙烷的混合物; 脂肪醇或烷基 苯酚如对辛基苯酚或对辛基甲苯酚与环氧乙烷和 /或环氧丙烷的缩和物 ;这些缩合产物的 硫酸盐或横酸盐; 在分子中含有至少 10个碳原子硫酸或磺酸酯的碱金属或碱土金属, 优 选钠盐, 例如硫酸月桂酯钠, 硫酸仲烷基酯钠, 磺化蓖麻油钠盐, 磺酸烷基芳基酯钠如 十二烷基苯横酸钠盐。
本发明组合物的实例是可湿性粉剂、 粉剂、 颗粒剂和溶液, 可乳化的浓缩剂、 乳剂、 悬浮浓缩剂、 气雾剂、 和烟雾剂。 可湿性粉剂通常含 25、 50或 75 %重量活性成分, 且通 常除惰性载体之外, 还含有 3-10 %重量分散剂, 且若需要加入 0-10 %重量稳定剂, 和 /或 其它添加剂如渗透剂或粘着剂。粉剂通常可成型为具有与可湿性粉剂相似的组成但没有分 散剂的粉剂浓缩剂, 在田里进一步用固体载体稀释, 得到通常含 0.5-10%重量活性成分的 组合物。 粒剂通常制备成具有 10-100目 ( 1.676-0.152mm ) 大小, 可用成团或注入技术制
备。通常,粒剂含 0.5-75%重量的活性成分和 0— 10 %重量添加剂如稳定剂、表面活性剂、 緩释改良剂。 所谓的 "可流动干粉"有具有相对高浓度活性成分的相对小的颗粒组成。 可 乳化浓缩剂除溶剂外, 当需要时通常含有共溶剂, 1-50 % W/V活性成分, 2-20 % W/V乳 化剂和 0-20 % W/V其它添加剂如稳定剂、渗透剂和腐蚀抑制剂,悬浮浓缩剂通常含有 10-75 %重量的活性成分、 0.5-15%重量的分散剂、 0.1-10%重量的其它添加剂如消泡剂、 腐蚀抑 制剂、 稳定剂、 渗透剂和粘着剂。 水分散剂和乳剂, 例如通过用水稀释按照本发明的可湿 性粉剂或浓缩物得到的组合物,也列入本发明范围。所说的乳剂可具有油包水或水包油两 个类型。
本发明的化合物可用于防治在植物上由真菌(如镰刀菌、锈菌或灰霉菌等)引起的病 害。 从杀菌活性实验可以看出, 本发明的化合物 I所表示的化合物对小麦赤霉病 (Gibberella zeae )、 棉花枯 病 (Fusarium oxysporum)、 辣椒疫審病 ((Phytophthora capsici)、 水稻恶苗病 ( Gibberella fujikuroi )、 黄瓜灰霉病 ( Botrytis cinerea )、 小麦紋枯病病菌 ( Rhizoctonia solani )具有良好的抑制活性。 ^
以下具体实施例进一步说明本发明。
合成实施例
合成实例: 1 化合物 No 1 2-氰基 -3- (取代)胺基 -3-氨基 -3-苯基丙烯酸正丙酯的制备:(a ) 2-氰基- 3-羟基 -3-苯基丙酸正丙酯的制备方法
a-1: 2-氰基 -3-羟基 -3-苯基丙酸正丙酯的制备方法 1 :
将 24.3克镁( 1.0摩尔)置于含有 500毫升无水乙醇和 500毫升乙二醇二甲醚及 2克 四溴化碳的 2升三口烧瓶中, 在 90 °C下搅拌反应 12小时, 减压蒸出乙醇和乙二醇二甲醚 后,再加入 500毫升乙二醇二甲醚,搅拌在低于 20 °C滴加 127克氰乙酸正丙酯( 1.0摩尔), 溶液冷却至 0 °C , 滴加 140.5.克苯甲酰氯( 1.0摩尔), 滴完后反应液在室温下搅拌反应 15 小时, 减压蒸去溶剂, 残渣用 325毫升 5M盐酸酸化, 用 3 X 150毫升氯仿萃取 3次, 合 并有机层, 水洗, 无水硫酸钠干燥, 减压蒸去溶剂得固体, 无水乙醇重结晶得产品 181 克 ( Y=81% ), M.P 157.5.2~158.8 °C。 IR ( nujol ) 2220 cm"1 ,1660 cm"1,
a-2 2-氰基 -3-羟基 -3-苯基丙酸正丙酯的制备方法 2:
将 28.2克苯甲酰氯(0.20摩尔)和 25.4克氰乙酸正丙酯 (0,20摩尔)溶解在 200毫 升二氯甲烷中, 冷却到 0~5 °C , 搅拌下滴加 40.4克三乙胺(0.40摩尔), 滴完后在室温下
- 1 -
继续反应 10小时, 冷却下滴加 100毫升 5M盐酸, 分层,有机层合并, 水洗, 无水硫酸钠 干燥,减压蒸去溶剂得固体,无水乙醇重结晶得产品 18.1克,收率 40.5%。M.P 157.5.2-158.8 V。 IR ( nujol ) 2220 cm"1 ,1660 cm"1,
(b) 2-氰基- 3-氯 -3-苯丙酸正丙酯的制备:
将 36.8克三氯氧磷(0.24摩尔)和 50.8克 2-氰基 -3-3-羟基 -3-苯丙烯酸正丙酯 (0.22 摩尔)溶解在 200毫升二氯甲烷中, 搅拌下滴加 48.5克三乙胺(0.48摩尔), 滴完后反应 物回流 15小时, 冷却下滴加 100毫升 5M盐酸, 减压蒸去溶剂, 残渣溶解在乙醚中, 分 别用 100毫升 5M盐酸, 碳酸氢钠, 水洗至中性, 有机相用无水硫酸钠干燥, 减压蒸去溶 剂后, 蒸出产品 49.9 克, 收率为 91.1%, bpl63.4~165.8 °C (5mmHg)0 IR ( nujol ) 2220 cm"1 ,2220 cm"1, EI-MS(m/e) 249( M+) 221, 120, 216, 2214, 186, 142,141, 119,91,77.
( c ) 2-氰基 -3-氨基 -3-苯基丙烯酸正丙酯 (化合物 NO.l ) 的制备:
将 5.0克 2-氰基 -3-氯 -3-苯基丙烯酸丙酯( 0.02摩尔)和 2.7克 25%氨水( 0.04摩尔) 在 30毫升四氢呋喃中, 搅拌下在 20~25 °C左右反应 3小时, 溥层层析跟踪至反应完全, 过滤, 滤液减压蒸去溶剂, 残渣溶于 30毫升二氯甲烷中, 水洗, 无水^ i酸钠干燥, 脱溶, 残渣无水乙醇重结晶, 得白色晶体 4.9克 (Y=92% ), 熔点: 99.2~100.5
其他化合物参照上述方法合成。用氰乙酸异丙酯替换氰乙酸正丙酯制备化合物 Ν0.2, 用氰乙酸正丁酯替换氰乙酸正丙酯制备化合物 Ν0.3 , 用氰乙酸异丁酯替换氰乙酸正丙酯 制备化合物 Ν0.4, 用氰乙酸新丁酯替换氰乙酸正丙酯制备化合物 Ν0.5 , 用氰乙酸叔丁酯 替换氰乙酸正丙酯制备化合物 Ν0.6 , 用氰乙酸氯乙酯替换氰乙酸正丙酯制备化合物 Ν0.7, 用氰乙酸氯乙酯替换氰乙酸正丙酯以及用氨甲基替换氨水制备化合物 Ν0.8, 用氰 乙酸正戊酯替换氰乙酸正丙酯制备化合物 Ν0.9 , 用氰乙酸环已酯替换氰乙酸正丙酯制备 化合物 NO.10, 用氰乙酸氧代环戊环甲酯替换氰乙酸正丙酯制备化合物 NO.ll , 用氰乙酸 辛酯替换氰乙酸正丙酯制备化合物 N0.12, 用氰乙酸庚酯替换氰乙酸正丙酯制备化合物 N0.13 , 用氰乙酸已酯替换氰乙酸正丙酯制备化合物 N0.14, 用氰乙酸辛酯替换氰乙酸正 丙酯制备化合物 N0.15 ,用氰乙酸异丙酯替换氰乙酸正丙酯以及用氨乙基替换氨水制备化 合物 N0.16 , 用氨乙基替换氨水制备化合物 N0.17 , 用氨氧甲基替换氨水制备化合物 N0.18, 用 Ν-苯甲基 -3-氨甲基四氢吡咯替换氨水制备化合物 N0.19, 用 Ν-正丙基 -2氯- 吡啶 -5-甲基胺替换氨水制备化合物 ΝΟ.20,用 Ν-异丙基 -2氯 -吡啶 -5-甲基胺替换氨水制备 化合物 N0.21 , 用 Ν-正丙基 -2氯 -噻唑 -5-甲基胺替换氨水制备化合物 Ν0.22, 用氨基丙烯 替换氨水制备化合物 Ν0.23 , 用氨基环已烷替换氨水制备化合物 Ν0.24 , 用氨基环丙烷替
换氨水制备化合物 N0.25 , 用氨基乙醇替换氨水制备化合物 N0.26 , 用氨基甲乙醚替换氨 水制备化合物 N0.27, 用氨基(二) 乙醚替换氨水制备化合物 N0.28 , 用氨基乙酸乙酯替 换氨水制备化合物 N0.29 , 用氨基乙腈替换氨水制备化合物 NO.30 , 用氨基乙酸替换氨水 制备化合物 N0.31。
表 1 部分通式 I的化合物的结构式
( HDQD [^- 'sm '¾^ΝΗΤ )
91Z L0/600Z 13/I3d 8 £讓 Ϊ0Ζ OAV
- z\ -
91Z L0/600Z 13/I3d 8 £讓 Ϊ0Ζ OAV
23 72-74 1.04( t, 3H ) ,1.75( m, 2H ),3.72(m,2H), 4,27(q, 2H),
5.19 (m, 2H), 5.75(m, 1H), 7.34~7.54(m, 5H), 9.85((br., 1H)
24 131.5-132.2 1.16~1.79(m, 10H), 1.35(t,3H), 1.75( m, 2H),
3.11(m,1H), 4,28(q, 2H), 7.28~7.65(m,5H), 10.04(br. 1H)
25 86.7~88.3°C 0.60~0.67( m, 4H), 1.04( t, 3H ) ,1.75( m, 2H ),,
2.49~2.55(m,1H), 4,25(q,2H) 7.28~7.57(m,5H), 9.91 (br.1H)
26 74.2-75.9 1.04( t, 3H ) ,1.75( m, 2H ), 3.22(m,2H),
3.36(br.,1H),3.62(m,2H),4,27(q,2H),7.34~7.54(m,5H), 9.85((br.1H)
27 56.7-58.9 1.17( t, 3H ), 1.95( m, 2H ), 3.24(m, 2H), 3.31(S,3H),
3.69(m,2H),4,22(q,2H),7.31~7.64(m,5H), 9.94((br.1H)
28 89.4-91.1 1.08( t, 3H ), 1.89( m, 2H ), 2.35(t, 3H), 3.24(m, 2H),
3.45(t., 2H), 3.69(m, 2H) 4.22(q, 2H), ,7.31~7.64(m,5H), 9.94((br.1H)
29 78.2-80.1 1.16( t, 3H), 1.34(t, 3H), 1.75( m, 2H ), 3.36(m, 2H),
3.95(q,2H), 4.22( q, 2H ), 7.50~7.63(m, 5H) , 10.10(br., 1H)
30 70.2-73.4 1.06( t, 3H ), 1.75( m, 2H ),4.02(d,J =6.5Hz), 4.34, (q ,2H),
7.30-7.63(m.,5H), 10.12(br,1H)
31 145-147 1.16( t, 3H ) , 1.75( m, 2H ), 3.36(m,2H), 4.22(t, 2H ),
7.50~7.63(m, 5H) , 10.10(br., 1H) 制剂实施例 (配方中活性组分的加入量为折白后计量加入, 所有百分含量均为重量百分 含量)
配方实施例 1: 10%乳油
化合物 No.1 10份
吐温 80 12份
Ν,Ν-二甲基曱酰胺 3份
二甲苯 补足 100份
配方实施例 2: 90%可溶性液剂
化合物 No.1 90份
N-甲基吡咯烷酮 10份
配方实施例 3: 70%可溶性液剂
化合物 No.1 70份
甲基乙基酮 30份
配方实施例 4: 15%悬浮剂
化合物 No.1 15份
乙二醇 10份
十二烷基苯横酸钠 5份
黄原胶 0.5份
稳定剂 4.5份
水 65份
配方实施例 5: 25%可湿性粉剂
化合物 No.2 25份
稳定剂 3份
月桂醇硫酸钠 12份
木素横酸钙 10份
高岭土 50份 生物活性测定实例
从下面的实验可以看出, 本发明的化合物 I所表示的化合物对小麦赤霉病 Gibberella zeae ). 棉花枯萎病 ox_ ¾ro /w)、 ji¾ ((Phytophthora capsici) . 水稻恶苗病
( Gibberella fujikiiroi ). 黄瓜灰審病 ( Botrytis cinerea )、 小麦紋 i病病菌 ( Rhizoctonia solani )具有良好的抑制活性。 其中以化合物 Nol、 No2、 No3 和 No 4效果最好。
生物活性实施例
杀菌活性实验: 含毒介质法
将待测药剂化合物 Nol 2-氰基 -3- (取代)胺基 -3-苯基丙烯酸酯制备成浓度为 2 μ g/ml系列浓度, 制成含药培养基, 8小时后分别移入小麦赤霉病(C/Me e//s ^¾e )、 棉花 {Fusarium oxysporum) > ( {Phytoph thora capsicl) ·、 水稻恶苗病
( Gibberella fu jikuroi ) , 黄瓜灰霉病 ( Bo try t is cinerea ) , 小麦丈枯病病菌 Rhizoctonia solani 的新鲜雀^ 重复 6个, 放入 25 °C培养箱内培养 4天, 测量菌落 生长直径, 计算菌丝生长抑制率。 测定结果见表 3。
离体抑制多种病菌菌丝生长活性测定
No 小麦赤 棉花枯萎 辣椒疫霉 水稻恶苗 黄瓜灰霉 小麦紋枯
母
1 100 100 88 100 95 75
2 100 100 90 100 85 82
3 100 100 86 100 90 85
4 100 100 89 100 90 84
5 80 70 78 70 95 69
6 85 73 71 73 85 72
7 100 100 67 100 60 70
8 84 72 69 73 54 55
9 88 75 72 75 65 58
10 89 85 70 85 55 64
11 86 82 55 82 50 69
12 84 75 58 75 68 45
13 73 65 64 65 55 35
14 80 76 45 76 55 63
15 100 88 76 76 45 75
16 85 75 72 75 45 79
17 86 67 54 67 45 65
18 56 43 34 43 0 20
19 68 54 43 54 0 35
20 24 25 15 25 0 0
21 26 25 12 25 0 9
22 27 0 12 0 0 0
23 85 60 54 60 56 45
24 70 65 55 65 57 34
25 87 75 65 75 67 64
26 76 64 67 64 67 65
27 79 67 70 67 56 63
28 80 76 54 76 57 54
29 86 80 63 80 68 45
30 76 70 54 70 88 56
31 77 60 74 60 57 67 化合物 A* 85 73 71 73 85 72 备注: 化合物 A*为已知化合物为: 2-氰基 -3-氨基 -3-苯基丙烯酸甲酯
Claims
1、 一种 2-氰基 -3- (取代)胺基 -3-苯基丙烯酸酯类化合物, 具有式 (I)结构:
Ri或 R2 分别独立地为氢、 d-C6非取代或取代烷基、 Ci- C6烷氧基、 C2- C6酯基、 d- C6羧酸基、 C3- C6环烷基、 非取代或取代杂环基甲基、 C3- C6烯丙基、 C3- C6炔丙基或 苄基, 其中所述的取代烷基的取代基为卤素、 羟基、 氰基或烷氧基, 所述的取代杂环基甲 基的取代基为卤素或单环芳基;
R3为含 C3- C8烷基、 C3- C6 1¾代烷基、 C3- C6烷氧烷基、 C3- C6环烷基或 C3- C6杂环 烷甲基。
2、 根据权利要求 1所述的化合物, 其中,
Ri或 R2 分别独立地为氢、 d-C6非取代或取代烷基、 Ci- C6烷氧基、 C2- C6酯基、 d- C6羧酸基、 C3- C6环烷基、 非取代或取代杂环基甲基、 烯丙基、 炔丙基或苄基, 其中 所述的取代烷基的取代基为卤素、 羟基、 氰基或烷氧基, 所述的取代杂环基甲基的取代基 为卤素或苄基;
R3为含 C3- C6烷基、 C3- C6环烷基或氧代环戊烷甲基。
3、 根据权利要求 2所述的化合物, 其中,
所述的杂环基甲基为吡咯或氢化吡咯甲基、 吡啶甲基或噻唑甲基。
4、 根据权利要求 3所述的化合物, 其中,
或 R2 分别独立地为氢、 d-C6烷基、 d-C6氯代烷基、 d-C6羟基烷基、 d-C6氰 基烷基、 d-C6烷氧烷基、 d- C6烷氧基、 乙酸乙酯基、 d- C4羧酸基、 环丙烷基、 环已烷 基、 苄基取代的氢化吡咯甲基、 氯代吡啶甲基、 氯代噻唑甲基、 烯丙基;
R3为含 C3- C6烷基、 环已烷基或氧代环戊烷甲基。
5、 根据权利要求 4所述的化合物, 其中
Ri或 R2 分别独立地为氢;
R3为含 C3- C6烷基。
6、 一种制备权利要求 1所述的化合物的方法, 其反应方程式如下:
其中 、 R2或 R3的定义同权利要求 1。
7、 根据权利要求 6所述的制备方法, 其特征在于在制备化合物 II时, 先在含有乙醇镁的 乙二醇二甲醚的溶液中加入氰乙酸酯,再加入苯甲酰氯进行反应,最后酸化得到 2-氰基 -3- 羟基 -3-苯基丙烯酸酯。
8、 根据权利要求 6所述的制备方法, 其特征在于在制备化合物 II时, 在含有氰乙酸酯的 二氯乙烷溶剂中, 同时加入苯甲酰氯和縛酸剂三乙胺反应, 最后过滤, 滤液浓缩后酸化得 2-氰基 -3-羟基 -3-苯基丙烯酸酯。
9、根据权利要求 6所述的制备方法,其特征在于在制备化合物 ΙΠ时,将 2-氰基 -3-羟基 -3- 苯基丙烯酸酯与三氯氧磷在惰性溶剂二氯甲烷或二氯乙烷中,滴加縛酸剂三乙胺反应,得到 2—氰基—3-氯 -3-苯基丙烯酸酯。
10、 一种以权利要求 1所述的化合物为活性成分, 与载体制成杀真菌剂组合物。
11、 权利要求 1 ~ 5中任一项所述的化合物用于防治在植物上由真菌引起的病害。
12、 根据权利要求 11所述的用途, 其特征在于所述的真菌为镰刀菌、 锈菌或灰霉菌。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012065904A3 (en) * | 2010-11-15 | 2012-07-19 | Bayer Cropscience Ag | Cyanoenamines and their use as fungicides |
| JP2014505019A (ja) * | 2010-11-15 | 2014-02-27 | バイエル・インテレクチユアル・プロパテイー・ゲー・エム・ベー・ハー | シアノエナミン類及び殺菌剤としてのそれらの使用 |
| CN117430529A (zh) * | 2023-10-16 | 2024-01-23 | 江苏省农药研究所股份有限公司 | 一种2-氰基丙烯酸酯类化合物盐及其制备方法和应用 |
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| CN101381326A (zh) * | 2008-10-15 | 2009-03-11 | 江苏中旗化工有限公司 | 2-氰基-3-(取代)胺基-3-苯基丙烯酸酯类化合物、制备方法及其应用 |
| CN102695699B (zh) * | 2009-10-16 | 2016-02-24 | 拜耳知识产权有限责任公司 | 作为杀菌剂的氨基丙烯酸酯 |
| EP2510787A1 (en) | 2011-04-15 | 2012-10-17 | Bayer Cropscience AG | Propenoates as fungicides |
| CN102219776A (zh) * | 2011-04-22 | 2011-10-19 | 贵州大学 | 含咪唑烷基团的氰基乙酸酯衍生物及其制备方法和用途 |
| BR112014001265A2 (pt) * | 2011-07-29 | 2017-02-21 | Taisho Pharmaceutical Co Ltd | composto de amidina ou seu sal |
| CN103360254A (zh) * | 2012-04-10 | 2013-10-23 | 天津亨天利化学有限公司 | 一种α-氯(2-氯)苯乙酸甲酯的生产方法 |
| CN109776453A (zh) * | 2019-03-15 | 2019-05-21 | 江苏省农药研究所股份有限公司 | 一种3-氨基-2-氰基丙烯酸酯类化合物的制备方法 |
| CN109879834A (zh) * | 2019-03-15 | 2019-06-14 | 江苏省农药研究所股份有限公司 | 一种3-氨基-2-氰基丙烯酸酯类化合物及其应用 |
| CN113845443A (zh) * | 2021-09-27 | 2021-12-28 | 江苏省农药研究所股份有限公司 | 2-氰基-3-氨基丙烯酸酯类化合物的制备方法及中间体 |
| CN117164479A (zh) * | 2023-08-21 | 2023-12-05 | 甘肃康巴斯生物科技有限公司 | 一种氨基乙腈盐酸盐的制备方法 |
| CN119977840B (zh) * | 2023-11-10 | 2025-12-30 | 浙江省化工研究院有限公司 | 一种2-氰基丙烯酸酯类化合物及其应用 |
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| JP2014505019A (ja) * | 2010-11-15 | 2014-02-27 | バイエル・インテレクチユアル・プロパテイー・ゲー・エム・ベー・ハー | シアノエナミン類及び殺菌剤としてのそれらの使用 |
| US9474275B2 (en) | 2010-11-15 | 2016-10-25 | Bayer Intellectual Property Gmbh | Cyanoenamines and their use as fungicides |
| CN117430529A (zh) * | 2023-10-16 | 2024-01-23 | 江苏省农药研究所股份有限公司 | 一种2-氰基丙烯酸酯类化合物盐及其制备方法和应用 |
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