Process for reduction of sugars to sugar-alcohols

Details Process for reduction of sugars to sugar-alcohols Process for reduction of sugars to sugar-alcohols

C - Chemistry, Metallurgy

07

C

260/632.7

C07C 31/26 (2006.01) B01J 23/72 (2006.01) B01J 23/89 (2006.01) C07C 29/145 (2006.01)

Patent

CA 1114839

ABSTRACT Ketoses are stereoselectively reduced to sugar alcohol mixtures by hydrogenating a ketose in the presence of a supported copper catalyst; e.g., copper on silica, in which the individual copper particles have a largest dimension of less than 100 nm (1000 .ANG.). The preferred starting sugar is fructose or a sugar mixture containing fructose, such as invert sugar. Substantially more than half of the fructose in such sugar is reduced to mannitol.

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