Process for preparing .alpha.-D-glucopyranosido-1,6-mannitol and

Details Process for preparing .alpha.-D-glucopyranosido-1,6-mannitol and Process for preparing .alpha.-D-glucopyranosido-1,6-mannitol and

1997-09-09

2000-02-01

Kunz, Gary L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 111, 536 41, 536124, 568863, 502102, 585250, C07H 100, C07H 1500, C07C 2700, B01J 3100

Patent

active

060204729

ABSTRACT:
The sugar alcohols mentioned as title compounds can be prepared from the corresponding sugar in equimolar amounts by catalytic hydrogenation with hydrogen in aqueous solution, the hydrogenation being carried out continuously at an H.sub.2 pressure of 100 to 400 bar and a reaction temperature of 20 to 80.degree. C. using fixed-bed support-free molded bodies composed of compacted powders of alloys of the elements of the iron subgroup of group VIIIA of the periodic table with elements of group IVB and VA. The molded bodies have a compressive strength of 20 to 220 N and an internal surface area of 10 to 95 m.sup.2 /g.

REFERENCES:
patent: 3865957 (1975-02-01), Schieweck et al.
patent: 4117173 (1978-09-01), Schiweck et al.
patent: 4684720 (1987-08-01), Darsow et al.
patent: 5644044 (1997-07-01), Darsow
patent: 5679781 (1997-10-01), Goldscher

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