Fluor derivatives of 3-ethenyl-2,2-dimethyl cyclopropane-carboxylic acid, method for their preparation, their use as pesticides and compositions containing them.

摘要

Compounds of formula (I): <IMAGE> in all the possible stereoisomeric forms and mixtures of these stereoisomers, in which: - Hal1 and Hal2, which are different from each other, denote a fluorine, chlorine, bromine or iodine atom, - Z denotes a hydrogen atom or a CH3, C IDENTICAL N or C IDENTICAL CH radical, - n denotes an integer which can be from 1 to 5, - m denotes the number 5-n, and - Y denotes a hydrogen or halogen atom, a radical CH2-CN, a hydroxyl, an optionally substituted C1-8 alkyl, nitrile, C(=O)-Oalkyl, C(=O)- alkyl, (CH2)m'O-alkyl, (CH2)m'S-alkyl, (CH2)mN-(alkyl)2 (C1-12), m' denoting 0, 1, 2, 3 or 4, an Si(alkyl)3 radical, alkyl denoting an optionally substituted C1-8 alkyl, O-aryl or -(CH2)m'-aryl, aryl denoting a C6-14 aryl, it being possible for the substituent(s) Y, which may be identical or different, to be in any position on the phenyl nucleus, process for their preparation, their application as pesticides and the compositions containing them.