Carbohydrate Research p. 154 - 156 (1984)
Update date:2022-08-17
Topics:
Moreland, Margaret
Wadsworth, Julie
Geigert, John
Neidleman, Saul L.
D-arabino-Hexosulose (D-glucosone, 2) can now be conveniently produced by the enzymic reaction of pyranose-2-oxidase (P2O) with D-glucose (1).D-arabino-Hexosulose has been efficiently and selectively reduced to D-fructose (3) by catalytic hydrogenation with palladium on carbon.We now report a procedure for reducing (2) to a mannitol-rich mixture of D-mannitol (4) and D-glucitol (sorbitol, 5).The method uses catalytic hydrogenation with Raney nickel, and yields 4 and 5 in 3:1 ratio.This ratio is unlike that obtained by catalytic hydrogenation of D-glucose (which yields exclusively D-glucitol) or by catalytic hydrogenation of D-fructose (which yields 4 and 5 in 1:1 ratio).
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