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Conversion of glucose to sorbose

United States Patent

February 9, 2016
View the Complete Patent at the US Patent & Trademark Office
The present invention is directed to methods for preparing sorbose from glucose, said method comprising: (a) contacting the glucose with a silica-containing structure comprising a zeolite having a topology of a 12 membered-ring or larger, an ordered mesoporous silica material, or an amorphous silica, said structure containing Lewis acidic Ti.sup.4+ or Zr.sup.4+ or both Ti.sup.4+ and Zr.sup.4+ framework centers, said contacting conducted under reaction conditions sufficient to isomerize the glucose to sorbose. The sorbose may be (b) separated or isolated; or (c) converted to ascorbic acid.
Davis; Mark E. (Pasadena, CA), Gounder; Rajamani (Pasadena, CA)
California Institute of Technology (Pasadena, CA)
14/ 197,511
March 5, 2014
GOVERNMENT RIGHTS The subject matter disclosed herein was made with government support under grant number DE-SC0001004/T-106028 awarded by the Department of Energy. The Government has certain rights in the herein disclosed subject matter.