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J Org Chem. 2003 Aug 22;68(17):6828-31.

One-pot synthesis of L-Fructose using coupled multienzyme systems based on rhamnulose-1-phosphate aldolase.

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  • 1Department of Chemistry and the Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA.


Two methods have been developed for the highly efficient enzymatic synthesis of L-fructose: one is based on rhamnulose-1-phosphate aldolase and acid phosphatase using racemic glyceraldehyde and dihydroxyacetone phosphate as substrates; the other is to generate enantiomerically pure L-glyceraldehyde in situ from glycerol for the aldol reaction, using galactose oxidase catalyzed oxidation of glycerol in the presence of catalase. Using this four-enzyme system, enantiomerically pure L-fructose was obtained. Using the more expensive dihydroxyacetone phosphate, the yield was 55% after purification.

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