Abstract: A process for preparing N-[(6-chloropyridin-3-yl)methyl]-2,2-difluoroethan-1-amine of formula (III) wherein 2,2-difluoroethylamine of formula (I) is reacted with a halide of formula (II) in the presence of a hydroxide of an alkali metal or alkaline earth metal.

Abstract: A process for preparing N-[(6-chloropyridin-3-yl)methyl]-2,2-difluoroethan-1-amine of formula (III) wherein 2,2-difluoroethylamine of formula (I) is reacted with a halide of formula (II) in the presence of a hydroxide of an alkali metal or alkaline earth metal.

Abstract: Method for preparing certain oximes and oxime O-methyl ethers by reacting poorly water-soluble carbonyl compounds with salts of hydroxylamine or hydroxylamine O-methyl ether or the free base of hydroxylamine in the presence of certain phosphoric esters or salts thereof of the formula (I) wherein R1, R2 and X are defined as specified in the description.

Abstract: The present invention relates to a novel catalytic hydrogenation of substituted 2-methyl cyanopyridyl derivatives, in particular 3-chloro-5-(trifluorometyl)pyridin-2-yl]acetonitrile [=Py-CN] to substituted 2-ethylaminopyridine derivatives, in particular 2-[3-chloro-5-(trifluorometyl)pyridin-2-yl]ethanamine [=Py-ethanamine] or salts thereof in the presence of metal catalysts, in particular palladium catalysts.

Abstract: A method for preparing a 2,2-difluoroethylamine of the formula (III) in which 2,2-difluoroethylamine of the formula (I) is reacted with a halide of the formula (II) in the presence of a tertiary nitrogen base: where, in the formulae (II) and (III), Hal and A are defined as stated in the description.

Abstract: Method for preparing certain oximes and oxime O-methyl ethers by reacting poorly water-soluble carbonyl compounds with salts of hydroxylamine or hydroxylamine O-methyl ether or the free base of hydroxylamine in the presence of certain phosphoric esters or salts thereof of the formula (I) wherein R1, R2 and X are defined as specified in the description.

Abstract: The invention relates to novel 2-acyloxypyrrolin-4-ones of the formula (I) in which A, B, G, W, X, Y and Z have the meaning given above, to a plurality of processes and intermediates for their preparation, and to their use as pesticides and/or herbicides. The invention also relates to selective herbicidal compositions comprising, firstly, the 2-acyloxypyrrolin-4-ones and, secondly, a crop plant compatibility-improving compound. The present invention furthermore relates to the boosting of the action of crop protection compositions comprising, in particular, 2-acyloxypyrrolin-4-ones, through the addition of ammonium salts or phosphonium salts and optionally penetrants, to the corresponding compositions, to processes for producing them and to their application in crop protection as insecticides and/or nematicides and/or acaricides and/or for preventing unwanted plant growth.

Abstract: A method for preparing a 2,2-difluoroethylamine of the formula (III) in which 2,2-difluoroethylamine of the formula (I) is reacted with a halide of the formula (II) in the presence of a tertiary nitrogen base: where, in the formulae (II) and (III), Hal and A are defined as stated in the description.

Abstract: The present invention relates to a multi-stage method for preparing alkali metal salts of specific 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylic esters of the formula (I), in which M and R1 are as defined in the description, which proceeds from malonic ester and does not require isolation of intermediates.

Abstract: The present invention relates to a multi-stage method for preparing alkali metal salts of specific 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylic esters of the formula (I), in which M and R1 are as defined in the description, which proceeds from malonic ester and does not require isolation of intermediates.

Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (I) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.

Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (1) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.

Abstract: A process is described for producing 2-chloroallyl isothiocyanate from 2,3-dichloro-1-propene by reacting the 2,3-dichloro-1-propene with a thiocyanate in the presence of a phase transfer catalyst, without diluent or in the presence of up to 15 percent by weight based on 2,3-dichloropropene and simultaneously in the presence of an excess of from 10 to 200 mol percent of 2,3-dichloro-1-propene based on the thiocyanate. A process starting from 1,2,3-trichloropropane is also described.

Abstract: Process for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and alkali metal salts and alkaline earth metal salts thereof.

Abstract: A process is described for producing 2-chloroallyl isothiocyanate from 2,3-dichloro-1-propene by reacting the 2,3-dichloro-1-propene with a thiocyanate in the presence of a phase transfer catalyst, without diluent or in the presence of up to 15 percent by weight based on 2,3-dichloropropene and simultaneously in the presence of an excess of from 10 to 200 mol percent of 2,3-dichloro-1-propene based on the thiocyanate. A process starting from 1,2,3-trichloropropane is also described.

Abstract: The present invention relates to a novel process for the preparation of cis-1-ammonium-4-alkoxycyclohexanecarbonitrile salts and to novel intermediates or starting compounds which are passed through or used in the process according to the invention.

Abstract: The invention relates to novel 2-acyloxypyrrolin-4-ones of the formula (I) in which A, B, G, W, X, Y and Z have the meaning given above, to a plurality of processes and intermediates for their preparation, and to their use as pesticides and/or herbicides. The invention also relates to selective herbicidal compositions comprising, firstly, the 2-acyloxypyrrolin-4-ones and, secondly, a crop plant compatibility-improving compound. The present invention furthermore relates to the boosting of the action of crop protection compositions comprising, in particular, 2-acyloxypyrrolin-4-ones, through the addition of ammonium salts or phosphonium salts and optionally penetrants, to the corresponding compositions, to processes for producing them and to their application in crop protection as insecticides and/or nematicides and/or acaricides and/or for preventing unwanted plant growth.

Abstract: The present invention relates to a novel process for the preparation of cis-1-ammonium-4-alkoxycyclohexanecarbonitrile salts and to novel intermediates or starting compounds which are passed through or used in the process according to the invention.

Abstract: The present invention encompasses a process for preparing arylolefins by reacting one or more arylamines with one or more organic nitrites, in the presence of one or more olefins which bear at least one hydrogen atom on the double bond and in the presence of acid and in the presence of palladium or one or more palladium compounds.

Abstract: The present invention encompasses a process for preparing arylolefins by reacting one or more arylamines with one or more organic nitrites, in the presence of one or more olefins which bear at least one hydrogen atom on the double bond and in the presence of acid and in the presence of palladium or one or more palladium compounds.