BENZOYLUREA DERIVATIVE AND INSECTICIDE CONTAINING SAME

摘要

NEW MATERIAL:A compound of formula I (R is 4-5C alkenyl). EXAMPLE:N-[4-(2-butenyloxy)-3,5-dichlorophenyl]-N'-2,6-difluorobenzoyl urea. USE:An insecticide exhibiting improved effect on cabbage armyworm and diamondback moth even in a small amount of chemical without fear for environmental pollution. PREPARATION:Benzoyl isocyanate of formula II is reacted with an aniline derivative of formula III in a solvent, e.g. toluene or chloroform, at 0-150 deg.C for 10min-5hr to give the aimed compound of formula I . The raw material benzoyl isocyanate is obtained from the corresponding aniline by the well-known method.