Process for the preparation of N-phosphonomethylglycine

Details Process for the preparation of N-phosphonomethylglycine Process for the preparation of N-phosphonomethylglycine

1990-11-02

1991-10-01

Gray, Bruce

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus acids or salts thereof

558115, C07F 938

Patent

active

050535293

ABSTRACT:
There is disclosed a novel process for the preparation of N-phosphonomethylglycine of formula(I) ##STR1## (wherein, R and R.sup.1 are selected from the group consisting of alkyl having 1 to 2 carbon atoms) which process comprises reacting 1,3,5-tricarboalkoxymethylhexahydro-s-triazine with trialkylphosphite in the presence of titanium tetrachloride to form N-phosphonomethylglycine triester and converting the triester into a N-phosphonomethylglycine by saponification.

REFERENCES:
patent: 4053505 (1977-10-01), Dutra
patent: 4415503 (1983-11-01), Robbins
patent: 4428888 (1984-01-01), Robbins

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