Preparation of disodium ethylenediamine-N,N'-disuccinate

Details Preparation of disodium ethylenediamine-N,N'-disuccinate Preparation of disodium ethylenediamine-N,N'-disuccinate

1997-04-03

1998-03-24

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

562554, C07C22900

Patent

active

057314683

ABSTRACT:
A process is disclosed for isolating the disodium salt of racemic and meso isomers of ethylenediamine-N,N'-disuccinic acid from alkaline aqueous solutions.

REFERENCES:
patent: 3158635 (1964-11-01), Kezerian et al.
patent: 5466867 (1995-11-01), Lin et al.
patent: 5554791 (1996-09-01), Lin et al.
patent: 5569443 (1996-10-01), Wilson
patent: 5587512 (1996-12-01), Lin et al.

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