Process for producing N-phosphonomethyl glycine

Details Process for producing N-phosphonomethyl glycine Process for producing N-phosphonomethyl glycine

1973-02-16

1976-04-13

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 938

Patent

active

039504026

ABSTRACT:
N-phosphonomethyl glycine is produced by the oxidation of N-(phosphonomethyl) iminodiacetic acid. N-(Phosphonomethyl) iminodiacetic acid is heated to an elevated temperature in an aqueous medium and an oxidizing agent (H.sub.2 O.sub.2, air plus a catalyst such as platinum, palladium, rhodium, etc.) added to oxidize the N-(phosphonomethyl) iminodiacetic acid to N-phosphonomethyl glycine, which is recovered by crystallization.

REFERENCES:
patent: 3288846 (1966-11-01), Irani et al.
patent: 3429914 (1969-02-01), Crutchfield et al.
patent: 3796749 (1974-03-01), Krueger et al.
Van Wazer, "Phosphorus and its Compounds", Vol. 1, (1958), p. 379.

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