Method for producing [S,S]-ethylenediamine-N,N'-disuccinic acid

Details Method for producing [S,S]-ethylenediamine-N,N'-disuccinic acid Method for producing [S,S]-ethylenediamine-N,N'-disuccinic acid

1994-07-11

1995-11-14

Higel, Floyd D.

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

Organic compounds

Carboxylic acids and salts thereof

562565, C07C22718, C07C22728, C07C22906

Patent

active

054668670

ABSTRACT:
This invention relates to a method for converting calcium salts of [S,S]-ethylenediamine-N,N'-disuccinic acid to an easily filterable precipitate of [S,S]-ethylenediamine-N,N'-disuccinic acid.

REFERENCES:
patent: 2564092 (1951-08-01), Bersworth
patent: 3077487 (1963-02-01), Ramsey et al.
patent: 3158635 (1964-11-01), Kezerian et al.
patent: 4299978 (1981-11-01), Nakayasu et al.
patent: 4704233 (1987-11-01), Hartman et al.
Neal, et al., "Stereospecific Ligands and Their Complexes. I. A. Cobalt(III) Complex of Ethylenediaminedisuccinic Acid", Journal of Inorganic Chemistry, vol. 7, No. 11, Nov., 1958, pp. 2405-2412.

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