The insecticide and the insect proof which contain the poly- fluoro benzyl alcoholic ester derivative, the repellent, and the insecticide and the insect proof which use this, evasion method.

摘要

PURPOSE: To obtain the agent, comprising a specific polyfluorobenzyl alcohol ester derivative as an active ingredient and capable of exhibiting high insecticidal, mothproofing and repellent effects, low toxicity to warm-blooded animals, chemical stability and high volatility at ordinary and high temperatures. ;CONSTITUTION: The agent comprises a polyfluorobenzyl alcohol ester derivative of formula I (R₁ and R₂ are halogen, alkyl, alkoxy, fluoroalkyl or fluoroalkoxy; R₃ is ethyl, n-or isopropyl or cyclopropyl; R₄ is H, ethynyl or cyano; R₅, R₆, R₈ and R₉ are F; R₇ is H or F) as an active ingredient. This agent is capable of exhibiting excellent insecticidal and mothproofing effects and the volatility and effects thereof are optimum as an insecticide and a mothproofing agent. for clothes. For example, 2,3,4,5,6-pentafluorobenzyl-4'-chlorophenyl--isopropyl acetate of formula II and 2,3,5,6-tetrafluoro--cyanobenzyl-4'-ethoxyphenyl-- cyclopropyl acetate are cited as the compound of formula I.;COPYRIGHT: (C)1993,JPO&Japio