Process for producing O,O'-diacyltartaric anhydride and process

Details Process for producing O,O'-diacyltartaric anhydride and process Process for producing O,O'-diacyltartaric anhydride and process

1993-11-29

1995-09-19

Tsang, Cecilia

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560 81, 560 96, 560 98, 560 99, 562585, C07D30734, C07C 6976, C07C 59255

Patent

active

054516870

ABSTRACT:
An industrial process for producing O,O'-diacyltartaric anhydride with high purity and high efficiency is disclosed. According to the process of the invention, a carboxylic acid of the formula (I):

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Fenton, JCS, 69, pp. 546-562 (1896).
"Note on the Preparation of Dibenzoyl-d-tartaric Acid," C. L. Butler and L. H. Cretcher, Notes, pp. 2605-2607, Jun. 1933.

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