MONOHALOGENATED PYRETHRIC ACID ALPHA-CYANO-4-FLUORO-3-PHENOXYBENZYL ESTER AND ITS PREPARATION METHOD AND USE

摘要

The present invention relates to a compound of formula (I), stereoisomers thereof or the mixture of these stereoisomers, wherein: X represents a halogen atom, i.e. F, Cl, Br. The present invention also relates to a process for preparing the compound, and to a use of the compound in the preparation of an insecticide for controlling or killing vectors in the public hygiene and disease control, and to a use of the compound in the preparation of an insecticide for controlling or killing insects, nematodes, and mites in agriculture or horticulture.