Process for the preparation of 2,2'-oxydisuccinate

Details Process for the preparation of 2,2'-oxydisuccinate Process for the preparation of 2,2'-oxydisuccinate

C - Chemistry, Metallurgy

07

C

260/522.1

C07C 51/347 (2006.01) C07C 59/305 (2006.01)

Patent

CA 2030985

ABSTRACT A process for the preparation of 2,2'-oxydisuccinate is disclosed which utilises a combination of a low reaction temperature and a minimum excess of calcium hydroxide to an organic reactant. The use of a non reactive alkali metal salt of a strong or weak acid in the reaction mixture allows somewhat higher ratios of calcium hydroxide to reactant and somewhat higher temperatures. 2,2'-oxydisuccinate is produced in about 5 hours while gelation of the reaction mixture is substantially minimized.

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