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PRODUCTION OF ALPHA-HYDROXY CARBOXYLIC AIDS AND ESTERS FROM HIGHER SUGARS USING TANDEM CATALYST SYSTEMS

United States Patent Application

20170015614
A1
View the Complete Application at the US Patent & Trademark Office
The present disclosure is directed to methods and composition used in the preparation of alpha-hydroxy carboxylic acids and esters from higher sugars using a tandem catalyst system comprising retro-aldol catalysts and Lewis acid catalysts. In some embodiments, these alpha-hydroxy carboxylic acids may be prepared from pentoses and hexoses. The retro-aldol and Lewis catalysts may be characterized by their respective ability to catalyze a 1,2-carbon shift reaction and a 1,2-hydride shift reaction on an aldose or ketose substrate.
ORAZOV, MARAT (PASADENA, CA), DAVIS, MARK E. (PASADENA, CA)
15/ 207,822
July 12, 2016
GOVERNMENT RIGHTS [0002] This invention was made with government support under Grant No. DE-SC0001004/T-108118 awarded by the Department of Energy. The government has certain rights in the invention.