Process for the production of succinylosuccinic diester

Details Process for the production of succinylosuccinic diester Process for the production of succinylosuccinic diester

1975-05-07

1977-08-02

Weinberger, Lorraine A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6995

Patent

active

040395707

ABSTRACT:
A process for the production of succinylosuccinic acid diester. The process includes reacting a .gamma.-haloacetoacetic ester with a strong base. The reaction is conducted in the presence of at least one dispersing agent and an aqueous buffer solution of at least one inorganic salt at a pH of 8 to 10. The pH is kept constant during the reaction by the addition of a strong base as needed. The reaction is conducted at a temperature between -10.degree. and 10.degree. C. and preferably between -2.degree. and 0.degree. C. The succinylosuccinic acid diester can be isolated by any convenient method such as filtering or centrifuging it from the reaction solution.

REFERENCES:
patent: 3775467 (1973-11-01), Greth
patent: 3803209 (1974-04-01), Greth
patent: 3914281 (1975-10-01), Greth

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