PROCESSES FOR THE PREPARATION OF PHOSPHORUS-CONTAINING FUNCTIONAL DERIVATIVES OF ACETIC ACID

摘要

Compounds of the formula in which R1 and R2 denote alkyl, CF3, benzyl cyclohexyl, cyanoethyl, phenyl or OH and A denotes, inter alia, the groups -CO-, CHOH or CH-NH2 and -COR3 denotes a carboxyl, carboxylic ester or carboxamido group, are active herbicides.