New derivatives pyrenthrinoids comprising a nitrogen heterocycle, their process of preparation and their applications as pesticides

摘要

Compounds of formula (I): …IMAGE… in which X is a sulphur or oxygen atom, Y is C=O, C=S or CH2, R1 is hydrogen, halogen, saturated or unsaturated, linear, branched or cyclic alkyl optionally substituted by halogens (-8C) or aryl (-14C), R2 is hydrogen, saturated or unsaturated, linear, branched or cyclic alkyl (-8C) optionally substituted by halogens, aryl (-14C), CF3, NO2, C=H or halogen, alkoxy, ester, R3 is hydrogen, C1-3 alkyl, C=CH and A denotes the residue of a pyrethrinoid acid ACO2H, in all their possible stereoisomeric forms, and the mixtures of these stereoisomers.