.alpha.-Substituted N-phosphonomethyliminodiacetic acid

Details .alpha.-Substituted N-phosphonomethyliminodiacetic acid .alpha.-Substituted N-phosphonomethyliminodiacetic acid

1985-06-10

1986-10-14

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

C07F 940

Patent

active

046174150

ABSTRACT:
A process for the preparation of a glyphosate product. An .alpha.-substituted N-phosphonomethylamino diacetic acid substrate is contacted in an aqueous medium with molecular oxygen in the presence of a catalyst for the oxidative cleavage of a substituent from the imino nitrogen of the substrate. Cleavage produces a glyphosate product, carbon dioxide, a higher aldehyde, or ketone. Novel intermediates and methods of preparation thereof are also disclosed.

REFERENCES:
patent: 3275677 (1966-09-01), Allen, Jr. et al.
patent: 3969398 (1976-07-01), Hershman
Wagner et al., "Synthetic Organic Chemistry", (1951) pp. 412-413 and 604-605.

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