PROCESS FOR OBTAINING NEW ESTERS OF CYCLOPROPANE CARBOXYLIC ACIDS WITH A POLYHALOGENATED SUBSTITUENT

摘要

A compound selected from (S)- alpha -cyano3-phenoxybenzyl (1R,trans)-2,2-dimethyl-3-(2',2'- dichloro-1',2'-dibromoethyl)- cyclopropane-1 -carboxylate; (S)- alpha -cyano-3-phenoxybenzyl (1R,cis)-2,2-dimethyl-3-(2',2'-dibromo- 1',2'-dichloroethyl)-cyclopropane-1- carboxylate; 3,4,5,6-tetrahydrophthalimidomethyl (1R,trans)-2,2-dimethyl-3-(1',2',2',2'- tetrabromoethyl)-cyclopropane-1- carboxylate; 3,4,5,6-tetrahydrophthalimidomethyl (1R,cis)-2,2-dimethyl-3-(1',2',2',2'- tetrabromoethyl)-cyclopropane-1- carboxylate; (S)- alpha -cyano-3-phenoxybenzyl (1R,cis)-2,2-dimethyl-3-(1',2',2',2'- tetrachloroethyl)-cyclo-propane-1- carboxylate; and (R)- alpha -cyano-3-phenoxybenzyl (1R,trans)-2,2-dimethyl-3-(2',2'- dichloro-1',2'-dibromoethyl)-cyclo- propane-1-carboxylate which compounds possess interesting insecticidal activity.