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Reactions of Saccharides Catalyzed by Molybdate Ions. II.* Epimerization of D-Glucose and D-Mannose

V. Bílik

Institute of Chemistry, Slovak Academy of Sciences, Bratislava 9

 

Abstract: In acidified water solutions of molybdate, aldoses epimerize under the formation of equilibrium mixtures in which the epimer having trans relationship of the hydroxyl groups at C-2 and C-3 predominates. The epimerization of both D-glucose and D-mannose gives the equilibrium mixture of D-glucose and D-mannose in the ratio 75 25. A tentative mechanism for this reaction is suggested and the preparation of D-mannose from D-glucose is described.

Full paper in Portable Document Format: 262a183.pdf

 

Chemical Papers 26 (2) 183–186 (1972)

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