Abstract: The present invention constitutes new 3-[1-(3-haloalkyl)triazolyl]phenyl sulphide derivatives of the formula (I) in which A1, A2, B0, B1, B2, B3, R1, R2 and n are as defined in the description, to their use as acaricides and insecticides for controlling animal pests, and to processes for preparing them.

Abstract: The present invention constitutes new 3-triazolylphenyl-substituted sulphide derivatives of the formula (I) in which A1, A2, B0, B1, B2, B3, X, R1, R2 and n are as defined in the description, to their use as acaricides and insecticides for controlling animal pests, and to processes for preparing them.

Abstract: The present invention relates to a process for the regioselective synthesis of 1-alkyl-3-halo-alkylpyrazole-4-carboxylic acid derivatives by cyclization of 2,3-disubstituted acrylic acid derivatives with hydrazines in the presence of carbonyl compounds.

Abstract: The present invention relates to a process for preparing 1-aryl-substituted pyrazoles, comprising the reaction of alkoxy enones and enamino ketones with arylhydrazine derivatives to give 1-aryl-substituted dihydro-1H-pyrazoles, the further reaction thereof with elimination of water to give 1-aryl-substituted trihalomethylpyrazoles, and the further processing thereof.

Abstract: The present invention relates to novel alkoxy enones and enamino ketones, and to a novel process for preparation thereof. Alkoxy enones and enamino ketones are valuable intermediates for preparation of pyrazoles and anthranilamides, which can be used as insecticides.

Abstract: The present invention relates to a catalytic process for preparing 3-triazolyl sulphoxide derivatives in enantiomerically pure or enantiomerically enriched form.

Abstract: The present invention relates to a process for preparing fluoroalkyl nitriles by reacting fluorinated carboxamides with halides and fluorinated carboxylic acids.

Abstract: The present invention relates to a process for preparing 2-fluoroacyl-3-aminoacrylic acid derivatives by reacting fluorinated carboxylic acids with dialkylaminoacrylic acid derivatives and acid halides.

Abstract: Process for preparing 2,2-difluoroethylamine derivatives, wherein compounds of the general formula (IV) are hydrogenated to the corresponding 2,2-difluoroethylamine derivatives of the general formula (III), where the A radical is as defined in the description:

Abstract: Process for preparing 2,2-difluoroethylamine derivatives, wherein compounds of the general formula (IV) are reduced to the corresponding 2,2-difluoroethylamine derivatives of the general formula (III), where the A radical is as defined in the description:

Abstract: The invention relates to a novel process for preparing and isolating known substituted and unsubstituted 1,4-cyclohexanone monoketals.

Abstract: The present invention relates to a process for preparing 4-aminobut-2-enolides and also corresponding intermediates and starting compounds which are passed through or used in the process according to the invention.

Abstract: The present invention relates to a process for preparing hydrochloride-free 2-dihaloacyl-3-aminoacrylic esters by reacting acid fluorides with dialkylaminoacrylic acid derivatives.

Abstract: The present invention relates to a process for preparing cyanimino-1,3-thiazolidines, which are important building blocks for the preparation of crop protection active ingredients and pharmaceuticals, by the following scheme: where A is an alkali metal and X represents an acid radical.

Abstract: Process for preparing 2,2-difluoroethylamine derivatives, wherein compounds of the general formula (IV) are reduced to the corresponding 2,2-difluoroethylamine derivatives of the general formula (III), where the A radical is as defined in the description:

Abstract: The present invention relates to a process for preparing biaryls using catalysts based on palladium compounds with phosphine ligands.

Abstract: The invention relates to a process for preparing alkyl dihaloacetoacetates of the formula (I) by reacting ?,?-dihaloamines of the formula (III) with acetic esters of the formula (II) in the presence of bases.

Abstract: The invention relates to a process for preparing 2,4-dihydroxyphenyl 4-methoxybenzyl ketones of the formula (I) by Friedel-Crafts acylation in hydrogen fluoride (HF). 2,4-Dihydroxyphenyl 4-methoxybenzyl ketones of the formula (I) in which R1 and R2 are each hydrogen, chlorine, fluorine, bromine, iodine, CF3, methyl, optionally substituted alkoxy, —OCF3, —C(CH3)3, —CH2(CH3)2, —CH(CH3)2, R3 is hydrogen, Cl, F, Br, optionally substituted alkyl, optionally substituted alkoxy, —C(CH3)3, and X is hydroxyl, F, Cl, Br, optionally substituted alkoxy, are obtained in high yield and high purity by reacting phenylacetic acid derivatives of the formula (II) with phenols of the formula (III) in liquid hydrogen fluoride (HF).

Abstract: The present invention relates to a process for preparing alkenylnitrobenzenes and alkylanilines, which are of significance as intermediates for fungicidally active alkylanilides.

Abstract: The current invention describes a one-step process for the synthesis of 2-fluoropropionates from lactic acid ester derivatives using TFEDMA.