MMPHENOXYBENZOIC ACID AMIDE DERIVS** PROCESS FOR PREPARATION AND HERBICIDES CONTG* THE SAME AS ACTIVE CONSTITUENTS

摘要

PURPOSE:m-Phenoxybenozoic acid I(R1 and R2 are H, 1-6C allkyl, cycloalkyl lower alkoxyl lower alkenyl, lower alkunyl, lower alkoxyalkyl, lower haloalkyl, benzyl, etc.; X is halogen;Y is halogen, lower alkyl or lower alkoxyl; n is 0-4), e.g. N-ethyl-3-(2,5-dichlorophenoxy)-benzoic acid.