Method for preparing an N-phosphonomethylglycine

Details Method for preparing an N-phosphonomethylglycine Method for preparing an N-phosphonomethylglycine

1994-06-16

1995-09-26

Dees, Jose G.

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

Organic compounds

Phosphorus acids or salts thereof

C07F 938

Patent

active

054535379

ABSTRACT:
The invention is directed to a process for preparing N-phosphonomethylglycine comprising the steps of reacting an aminomethylphosphonic acid with a glyconitrile in the presence of an alkali metal hydroxide to form a product, and then hydrolyzing the product by adding an alkali metal hydroxide in an amount sufficient to neutralize the resulting carboxylic acid.

REFERENCES:
patent: 4486358 (1984-12-01), Moser
patent: 4534904 (1985-08-01), Moser
patent: 4670191 (1987-06-01), Kleiner
patent: 5068404 (1991-11-01), Miller et al.
Derwent 92-378211; Oct. 5, 1992.

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