PROCESS FOR THE PREPARATION OF N-PHOSPHONOMETHYLGLYCINE

摘要

A process is disclosed for the preparation of N-phosphonomethylglycine which comprises bringing together under reaction conditions glyoxylic acid or a derivative thereof and an N-acylaminomethylphosphonic acid represented by the formula wherein R is selected from the group consisting of alkyl having from one to about 6 carbon atoms, halo-alkyl having from one to about six carbon atoms, benzyl and phenyl.