Preparation of L-aspartic acid

Details Preparation of L-aspartic acid Preparation of L-aspartic acid

1995-06-01

1996-01-30

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

562571, 435109, C07C22700

Patent

active

054881552

ABSTRACT:
L-aspartic acid is improvedly prepared in high yields by treating ammonium aspartate, advantageously in aqueous reaction medium, with an effective, aspartic acid-precipitating amount of fumaric acid.

REFERENCES:
patent: 4013508 (1977-03-01), Zangrandi
patent: 4560653 (1985-12-01), Sherwin
patent: 4650755 (1987-03-01), Wood
patent: 4732851 (1988-03-01), Wood
patent: 4828993 (1989-05-01), Sridhar
patent: 5093253 (1992-03-01), Nolan
Abstract of Japanese Patent No. 48056618 (1973).

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