| abstract |
NEW MATERIAL:The titled compound of formula I [R is m-phenoxybenzyl, etc.; A is cyano or COOR 1 (R 1 is 1W3C alkyl)]. n EXAMPLE: 3'-Phenoxybenzyl 2, 2-dimethyl-3-( 2-cyano-2-carbomethoxyvinyl )cyclopropanecarboxylate. n USE: An agricultural and horticultural and disinfecting insecticide effective against sanitary injurious insects and injurious insects of cotton, friut trees and vegetables. Stable compared with the conventional pyrethroid compound. n PROCESS: A cyclopropanecarboxylic acid halide of formula II (X is halogen such as Cl) is reacted with a benzyl alcohol of formula III in a solvent e.g. benzene, in the presence of an acid binder usually at -10W100°C for 1W24hr to give the compound of formula I. n COPYRIGHT: (C)1981,JPO&Japio |