Carboxylic acid esters for combating pests

摘要

3-Phenoxybenzyl alcohols and carboxylic acid esters thereof for combating pests of the formula <IMAGE> (I) in which R and R1 are different and each represent hydrogen, fluorine or bromine, R2 represents cyano or ethynyl and R3 represents the <IMAGE> or the <IMAGE> wherein the phenyl ring can optionally carry one or more substituents selected independently from halogen, alkyl, alkylthio and alkoxy with in each case 1 to 4 carbon atoms, nitro and methylenedioxy, and R4 and R5 are identical and each represent chlorine, bromine or methyl, and R2 represents hydrogen in case that R3 represents the <IMAGE> wherein R4 and R5 are identical and each represent chlorine or bromine and R3 represents the <IMAGE> wherein the phenyl ring can carry the above mentioned substituents which possess insecticidal and acaricidal properties. The benzyl alcohols from which the esters are made are also new.