- Synthesis method of clodinafop-propargyl
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The invention relates to the field of chemical engineering, and discloses a synthesis method of clodinafop-propargyl. The method comprises the following steps of: dissolving DHPPA in an organic solvent, heating to a temperature of 50 DEG C, adding an anti
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Paragraph 0015-0021
(2021/01/29)
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- NOXIOUS ARTHROPOD CONTROL AGENT CONTAINING AMIDE COMPOUND
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An object of the present invention is to provide a compound having the controlling activity on a noxious arthropod, and a noxious arthropod controlling agent containing an amide compound of formula (I): wherein X represents a nitrogen atom or a CH group, p represents 0 or 1, A represents a tetrahydrofuranyl group or the like, R1, R2, R3, R4, R5, R6 and R7 represent a hydrogen atom or the like, n represents 1 or 2, Y represents an oxygen atom or the like, m represents any integer of 0 to 7, and Q represents a C1-8 chain hydrocarbon group optionally having a phenyl group or the like, has the excellent noxious arthropod controlling effect.
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- Preparation method of clodinafop propargyl
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The invention relates to a preparation method of clodinafop propargyl used for controlling grassy weeds in wheat fields. R-2-(p-hydroxyphenoxy)propionic acid is taken as a raw material and has a reaction with caustic alkali in water and an aprotic polar s
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Paragraph 0038; 0044; 0045; 0046; 0047
(2016/10/17)
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- LIQUID FORMULATIONS
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The present invention relates to a liquid formulation comprising a) agrochemically active salts of 2-iodo-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoyl]benzenesulfonamide, and b) one or more non-polar organic solvents selected from the group of the C6-C16-aromatics mixture the Solvesso series (Exxon) and/or the Caromax series (Carless), and also ?optionally further non-polar organic solvents. The liquid formulation is suitable for crop protection.
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- A new method for one-pot synthesis of aryloxyphenoxypropionate herbicides using 2,4,6-trichloro-1,3,5-triazine and (n-BU)4NI as a homogeneous catalyst
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The one-pot reaction of halo-heterocycle, (R)-4-hydroxyphenoxy propionic acid and an alcohol, amine or sulfonamide is described as an efficient method for the synthesis of aryloxyphenoxy propionate hrerbicides by using 2,4,6-trichloro-1,3,5-triazine in the presence of (n-BU) 4NI, as a homogeneous catalyst under mild conditions. The present procedure offers several advantages, such as good yields, short reaction times and easy workup.
- Kalhor, Mehdi,Dadras, Akbar,Mobinikhaledi, Akbar,Tajik, Hassan
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experimental part
p. 833 - 836
(2012/05/04)
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- A facile synthesis of novel optically active R,R-2-(4-(2-(4-(5-chloro-3- halo-pyridin-2-yloxy)-phenoxy)-propionyloxy)-phenoxy)-propionic acid esters using cyanuric chloride as potential herbicide
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A facile method for the synthesis of a new series of R,R-2-(4-(2-(4-(5- chloro-3-halopyridin-2-yloxy)-phenoxy)-propionyloxy)-phenoxy)-propionic acid ester derivatives containing a halo-substituted pyridine carrying two R,R chiral centers from (R)-2-(4-hyd
- Tajik, Hassan,Dadras, Akbar,Aghabeygi, Shokufeh
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p. 535 - 538
(2012/01/05)
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- Solid adjuvants
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The present invention relates to a solid adjuvant comprising a) one or more surfactants of the formula (I), Ar—O—(CHR1—CHR2—O—)y—R3??(I) where Ar is aryl which is substituted by at least two (C1-C30)alkyl radicals, R1 is H or (C1-C6)alkyl, R2 is H or (C1-C6)alkyl, R3 is H, an unsubstituted or substituted (C1-C30) hydrocarbon radical, a sulfonate radical, a phosphonate radical or an acyl radical, and y is an integer from 1 to 100, and b) one or more fatty acid esters. The adjuvant is particularly suitable in the field of crop protection.
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- Herbicidal compositions
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The present invention relates to a herbicidal composition comprising a) one or more herbicidal active substances, b) one or more surfactants other than silicone surfactants, and c) one or more humectants. The composition according to the invention is outstandingly suitable for controlling a variety of harmful plants.
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- Herbicidal composition
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The present invention relates to a herbicidal composition, comprising A) one or more compounds of the formula (I) 1in which Hal1 and Hal2 are identical or different halogen atoms, R1 is H, a cation or a C1-C20-carbon-containing radical and B) one or more surfactants, comprising as structural element at least 12 alkylene oxide units.
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- Non-aqueous or low-water suspension concentrates of mixtures of active compounds for crop protection
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The invention relates to stable liquid and highly effective suspension concentrates comprisinga) one or more solid herbicidally active compounds from the group of the sulfonylureas in suspended form,b) one or more active compounds which are partially or completely dissolved in component c),c) an organic solvent or solvent mixture,d) one or more nonionic emulsifiers,e) optionally one or more ionic emulsifiers,f) optionally one or more thickeners or thixotropic agents and no water or up to 30 percent by weight of water in dissolved form.
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- N-acylsulfonamides, novel mixtures of herbicides and antidotes, and their use
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Novel N-acylsulfonamides, novel mixtures of herbicides and antidotes, and their use Safeners against phytotoxic side effects of pesticides in crop plants are compounds of the formula (I) and salts thereof where R1is hydrogen, a hydrocarbon radi
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- 2-fluoroacrylic acid derivatives, novel mixtures of herbicides and antidotes, and their use
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The invention relates to novel α-fluoroacrylic acid derivatives, to active compound/antidote combinations which comprise α-fluoroacrylic acid derivatives and are outstandingly suitable for use in crops of useful plants, to their use and to methods for protecting crop plants.
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- Substituted (hetero) aryl compounds, process for their preparation, agents containing them and their use as safeners
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Substituted (hetero)aryl compounds, process for their preparation, agents containing them, and their use as safeners Compounds of the formula I and their salts, as defined in claim 1, are suitable as safeners for protecting crop plants against the phytotoxic side-effects of herbicides.
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- Mixtures of herbicides and antidotes, (hetero)-aryloxy compounds, their preparation, compositions containing them, and their use
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The invention relates to crop protection agents which comprise an active substance combination of herbicide and safener. The herbicides are selected from the group comprising the ALS inhibitors (ALS=acetolactate synthase) such as sulfonylureas, imidazolines, triazolopyrimidinesulfonamides, pyrimidyloxypyridinecarboxylic acid derivatives and pyrimidyloxybenzoic acid derivatives. The safeners are compounds of the formula I STR1 which are as defined in claim 1, where Z and Y are N or CH, it being possible for H to be replaced by X, X is H, Hal, haloalkyl or -alkoxy, alkyl, alkoxy, alkylthio, NO2, NH2, CN, alkylsulfonyl, A is alkylene or alkenylene, B is carboxyl or a derivative of the carboxyl group. The mixtures are mainly suitable for controlling harmful plants in the crops maize and cereals.
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- Substituted isoxazolines, process for their preparation, composition containing them, and their use of safeners
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Substituted isoxazolines, process for their preparation, compositions containing them, and their use as safeners. Compounds of the formula (I) and salts thereof, STR1 in which R1 is carboxyl, formyl or another acyl radical or a derivative of the last-mentioned 3 groups, R2 is hydrogen, halogen, C1 -C18 -alkyl, C3 -C8 -cycloalkyl, C2 -C8 -alkenyl, C2 -C8 -alkynyl, C1 -C18 -alkoxy, C2 -C8 -alkenyloxy, C2 -C8 -alkynyloxy, C1 -C18 -alkylthio, C2 -C8 -alkenylthio, each of the last-mentioned 9 radicals in each case being unsubstituted or substituted, or (C1 -C8 -alkoxy)carbonyl, and R3 and R4 independently of one another are an aliphatic, araliphatic or heteroaraliphatic radical having 1 to 30 carbon atoms which is unsubstituted or substituted by one or more functional groups, or an aromatic or heteroaromatic radical which is unsubstituted or substituted, are suitable as safenets for pesticides, preferably herbicides, in crop plants. The compounds can be prepared from alkenes (II) and nitrile oxides (III) by the process of claim 6.
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- 5-chloroquinolin-8-oxyalkanecarboxylic acid derivatives, useful as antidotes for herbicides
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Disclosed are compounds of the formula (I): STR1 The substituents are disclosed in the specification. The compounds are herbicidal safenets. Accordingly, processes for the preparation and use of the compounds of formula (I) are also disclosed.
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- Sulfamoylphenylureas
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The N-acylsulfamoylphenylureas of formula I below are suitable as counter-agents (antidotes or safeners) for protecting cultivated plants from the phytotoxic action of herbicides. Suitable crops are preferably cereals, soybeans, sorghum, maize and rice, and suitable herbicides are sulfonylureas, chloroacetanilides and aryloxyphenoxypropionic acid derivatives. The N-acylsulfamoylphenylureas have the formula I STR1 wherein A is a radical selected from the group STR2 R1 is C1 -C4 -alkoxy or each of R1 and R2, independently of the other, is hydrogen, C1 -C8 alkyl, C3 -C8 cycloalkyl, C3 -C6 alkenyl, C3 -C6 alkynyl, STR3 or C1 -C4 alkyl substituted by C1 -C4 alkoxy or by STR4 or R1 and R2 together form a C4 -C6 alkylene bridge, or a C4 -C6 alkylene bridge interrupted by oxygen, sulfur, SO, SO2, NH or by --N(C1 -C4 alkyl)-, R3 is hydrogen or C1 -C4 alkyl, Ra to Rh, Rx and Ry are as defined in the disclosure.
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