Method for producing calcium salts of [S,S]-ethylenediamine-N,N'

Details Method for producing calcium salts of [S,S]-ethylenediamine-N,N' Method for producing calcium salts of [S,S]-ethylenediamine-N,N'

1994-07-11

1996-08-27

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

C07C22900

Patent

active

055502857

ABSTRACT:
This invention relates to a process for the production of a solid calcium [S,S]-ethylenediamine-N,N'-disuccinate by the reaction of calcium aspartate and dihaloethane in an aqueous solvent.

REFERENCES:
patent: 3158635 (1964-11-01), Kezerian et al.
patent: 4704233 (1987-11-01), Hartman et al.
Wagner, "Synthetic Organic Chemistry," pp. 666-670 & 715-727 (1953).
Neal, et al., "Stereospecific Ligands and Their Complexes. I. A Cobalt(III) Complex of Ethylenediaminedisuccinic Acid.sup.1 ", Journal of Inorganic Chemistry, vol. 7, No. 11, Nov., 1958, pp. 2405-2412.

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