Abstract:
PROBLEM TO BE SOLVED: To provide a method for easily producing an E-oxime ether isomer of a phenylglyoxylic ester. SOLUTION: The method for producing the E-oxime ether represented by formula (I) (wherein, X and Y are each a halogen, a 1-4C alkyl, a 1-4C alkoxy, trifluoromethyl, and a 1-1-5C alkyl-(2-5C alkenyl)-hydroxyimino-1-5C alkyl-(2-5C alkenyl)-hydroxyimino; (m) is an integer of 0-54; (n) is an integer of 0-53) is characterized by converting the E-oxime ether represented by formula (IIa) (wherein, substituents are the same as defined above) to a salt by using a base in the presence of an organic diluent and reacting the product with a methylation agent of CH 3 (wherein, X is Cl, Br, or the like). COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a new halomethylbenzoyl cyanide industrially useful as an important intermediate product for the synthesis of a plant protection agent. SOLUTION: The halomethylbenzoyl cyanide expressed by formula I' is produced by the reaction of a halomethylbenzoyl chloride with an alkali metal cyanide or a transition metal cyanide. In the formula, X is a halogen atom, a 1-4C alkyl, a 1-4C alkoxy, trifluoromethyl, -C(1-5C alkyl)=N-O-(1-5C alkyl) or -C(1-5C alkyl)=N-O-(2-5C alkenyl); m is 0-4; and Y is chloromethyl or bromomethyl. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
The invention relates to methods for producing sulfonamides of formula I, wherein the variables have the designations cited in the description, by reacting m-nitro-benzoic acid chlorides of formula II with aminosulfons of formula III, under the influence of B equivalents of base IV. Said method is characterised in that, during step a) the aminosulfon of formula III is reacted with B1 equivalents of base IV, and during step b), the reaction mixture resulting from step a) is reacted with m-nitro-benzoic acid chlorides of formula II and B2 equivalents of base IV; B, B1 and B2 having the designations cited in the description.
Abstract:
The present invention relates to a crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl-(1-methylethyl)amino]sulphonyl]benzamide. The invention also relates to a method for preparing this crystalline form and to formulations for crop protection which comprise this crystalline form of the phenyluracil.
Abstract:
The invention relates to a method for producing o-chloromethyl benzoic acid chlorides of formula (I), in which R to R can be the same or different and represent hydrogen C1-C4 alkyl, halogen or trifluoromethyl, by reacting benzo-condensed lactones of formula (II), in which R to R have the above-mentioned meaning, with thionyl chloride. The inventive method is characterized in that the reaction is carried out in the presence of catalytic quantities of a Lewis acid and in the presence of catalytic quantities of a phosphine derivative.
Abstract:
The invention relates to a method for producing o-chloromethyl benzoic acid chlorides of formula (I), in which R to R can be the same or different and represent hydrogen C1-C4 alkyl, halogen or trifluoromethyl, by reacting benzo-condensed lactones of formula (II), in which R to R have the above-mentioned meaning, with thionyl chloride. The inventive method is characterized in that the reaction is carried out in the presence of catalytic quantities of a boric acid, boric acid anhydride, borate, boronic acid or boronic acid ester and in the presence of catalytic quantities of a quaternary ammonia salt.
Abstract:
The invention relates to bisoximether derivatives of formula (I) in which the variables have the following meanings: R represents halogen, C1-C4 alkyl, C1-C4 alkyl halide, C1-C4 alkoxy or C1-C4 alkoxy halide; n is 1 to 5, whereby the radicals R can be different if n is not equal to 1; R represents C1-C4 alkyl, C3-C6 alkenyl or C3-C6 alkynyl, whereby these groups can be partially or completely halogenated; Q represents C(=CHOCH3)-COOCH3, C(=CHCH3)-COOCH3, C(=NOCH3)-COOCH3 or C(=NOCH3)-CONHCH3. The invention also relates to the salts of the bisoximether derivatives, to methods and intermediate products for the production of these compounds and to their use for combating animal pests and fungicidal pests.
Abstract:
The present invention relates to a process for preparing 3-phenyl(thio)uracils and -dithiouracils of the formula I where the variables are each as defined in the description, and also intermediates for their preparation.