Process for producing N-phosphonomethylglycine

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

Filed on

1982-11-19

Date issued

1984-12-04

Examiner

Evans, J. E.

Patent Class

Chemistry of carbon compounds

SubClass

Miscellaneous organic carbon compounds

SubSubClass

C-metal

Other Related Categories

C07F 938

Type

Patent

Status

active

Patent number

044863586

Description

ABSTRACT:
The novel process for producing N-phosphonomethylglycine comprises reacting aminomethanephosphonic acid with glyoxal, in an aqueous medium, in the presence of sulfur dioxide. The active substance obtained is a herbicide having a very wide spectrum of activity.

REFERENCES:
patent: 3288846 (1966-11-01), Irani et al.
patent: 4369142 (1983-01-01), Moser
Vogel, "Practical Organic Chemistry", 3rd. ed., 1957, pp. 358, 359, 414, 415, 432, 433, 462 and 463, QD251V6.

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