Process for producing N-phosphonomethylglycine

Details Process for producing N-phosphonomethylglycine Process for producing N-phosphonomethylglycine

1990-06-25

1991-06-11

Evans, J. E.

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

Organic compounds

Phosphorus acids or salts thereof

C07F 938

Patent

active

050233696

ABSTRACT:
A process is provided to produce N-phosphonomethylglycine by the oxidation of N-phosphonomethyliminodiacetic acid to form an intermediate N-phosphonomethyliminodiacetic acid-N-oxide with a peroxide in the presence of an effective amount of a catalyst selected from the group consisting of water-soluble tungsten compounds and a mixture of water-soluble tungsten compounds and a water-soluble molybdenum compound to form the intermediate, and thereafter converting the intermediate N-phosphonomethyliminodiacetic acid-N-oxide to N-phosphonomethylglycine.

REFERENCES:
patent: 3950402 (1976-04-01), Franz
patent: 3954848 (1976-05-01), Franz
patent: 4486356 (1984-12-01), Bakel
patent: 4507250 (1985-03-01), Bakel
patent: 4853159 (1989-08-01), Riley et al.
"Peroxygen Compounds in Organic Synthesis" A Technical Bulletin by INTEROX.

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