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Способ получения N-фосфонометилглицина взаимодействием N-карбоксиметил-N,N-бис-(метиленфосфоновой) кислоты с хлором в водной среде при температуре 10-50°C, отличающийся тем, что, с целью повышения выхода целевого продукта, N-карбоксиметил-N,N-бис-(метиленфосфоновую) кислоту и хлор используют при молярном соотношении 1:(2-3) и реакционную смесь по окончании прибавления хлора обрабатывают активированным углем.The method of obtaining N-phosphonomethylglycine by the interaction of N-carboxymethyl-N, N-bis- (methylenephosphonic) acid with chlorine in an aqueous medium at a temperature of 10-50 ° C, characterized in that, in order to increase the yield of the target product, N-carboxymethyl-N , N-bis- (methylenephosphonic) acid and chlorine are used at a molar ratio of 1: (2-3) and the reaction mixture is treated with activated carbon after the completion of the addition of chlorine.
SU4216489/63A1987-03-241987-03-24
Method of producing n-phosphonomethylglycine
SU1587870A1
(en)