ESTERS OF CYCLOPROPANECAROXYLIC ACIDS RELATED TO PYRETHRIC ACID, PROCESS FOR THEIR PREPARATION AND THEIR USE AS PARASITICIDES

摘要

Compounds of formula I: …IMAGE… in which:… - X denotes a hydrogen, fluorine, chlorine or bromine atom,… - R denotes an alkyl, aryl or heterocyclic radical,… - Z denotes a hydrogen atom, a CH3 radical, C N or C CH, and… - Y denotes a hydrogen atom or an alkyl, -(CH2)m-O-alkyl, -(CH2)m-S- alkyl, (CH2)m-N-(alkyl)2 or Si(alkyl)3 radical. …??The compounds of formula I exhibit advantageous pesticidal properties.