CARBOXYLIC ACID ESTERS,METHODS FOR THEIR PRODUCTION AND INSECTICIDAL COMPOSITIONS CONTAINING THEM

摘要

Described are novel carboxylic acid esters represented by the formula (I) below, methods for production thereof and insecticides containing them as the active ingredient, and an alcohol compound useful as an intermediate for manufacturing carboxylic acid esters represented by the formula (I). …… wherein R1 represents a hydrogen atom or a methyl group; when R1 is a hydrogen atom, R2 represents a group of the formula ……, in which X and Y are the same or different and represent a hydrogen atom, a methyl group, a halogen atom or a halogenated lower alkyl group, and when R1 is a methyl group, R2 represents a methyl group; R3 represents hydrogen atom or a methyl group; and R4 represents a hydrogen atom, a lower alkyl group, a lower alkenyl group or a lower alkynyl group.