Insecticidal substituted acetate compounds

Claim 1

A substituted acetate compound of the formula ##STR769## wherein Y is selected from the group consisting of the formulae: ##STR770## in which R 1 and R 2 are individually hydrogen, halogen, cyano, nitro, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower alkoxyalkyl, halogen-substituted lower alkyl, halogen-substituted lower alkenyl, halogen-substituted lower alkynyl, lower alkylthio, lower alkylsulfoxyl, C 2 -C 4 alkanoyl, C 2 alkanoyloxy, lower alkoxycarbonyl, lower alkenyloxycarbonyl, lower alkynyloxycarbonyl, methylenedioxy, tetramethylene or trimethylene group R 3 and R 4 are individually hydrogen, halogen, cyano, nitro, lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, lower alkoxyalkyl, halogen-substituted lower alkyl, halogen-substituted lower alkenyl, halogen-substituted lower alkynyl, lower alkylthio, lower alkylsulfoxyl, C 2 -C 4 alkanoyl, lower alkoxycarbonyl, lower alkenyloxycarbonyl or lower alkynyloxycarbonyl group; A represents an oxygen atom or a sulfur atom; R 5 represents hydrogen, halogen, cyano, nitro or lower alkyl group; m is an integer of from 1 to 3; R 6 represents hydrogen, halogen, cyano, nitro or lower alkyl group; n is an integer of from 1 to 3; and the dotted line in the formula (V) represents a double bond present at a position conjugated or non-conjugated with the ketone (C=O), or Y represents a substituted ethylene group of the formula (VI) ##STR771## in which R 7 , R 8 and R 9 constitutes a plane together with the double bond at β-γ position of the ester group, and are individually hydrogen, lower alkyl, lower alkenyl, lower alkynyl, halogen, Z represents a straight or branched lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy, cyano, halogen-substituted lower alkyl, halogen-substituted lower alkenyl group or an alicyclic group having 3 to 7 carbon atoms; in which R 10 represents an allyl, propargyl, benzyl, thenyl, furylmethyl, phenoxy or phenylthio group; R 11 represents hydrogen, methyl, trifluoromethyl or halogen R 10 and R 11 may, when they are bonded to each other at terminals, form a trimethylene or tetramethylene group; R 12 represents hydrogen, ethynyl or cyano; t is an integer of from 1 to 2.