Method of converting a carboxylic acid or carboxylic acid halide group to a trihalomethyl group
申请人:ICI AMERICAS INC.
公开号:EP0281965A1
公开(公告)日:1988-09-14
Carboxylic acid or carboxylic acid halide groups on aryl or heterocyclic aryl rings are directly converted to trihalomethyl groups by using a phenylhalophosphorane, optionally generated in situ by reaction of a phenylphosphonous halide and chlorine.