Dehydrogenation of 1,4-butanediol to .gamma.-butyrolactone

Details Dehydrogenation of 1,4-butanediol to .gamma.-butyrolactone Dehydrogenation of 1,4-butanediol to .gamma.-butyrolactone

1997-09-04

1999-09-21

Trinh, Ba K.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30732

Patent

active

059556200

ABSTRACT:
A process for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone in the gas phase in the presence of a copper-containing catalyst, wherein the catalyst contains 4-40% by weight of copper and 0-5% by weight of Na.sub.2 O, based on the total weight of the catalyst, on a carrier consisting of 80-100% by weight of SiO.sub.2 and 0-20% by weight of CaO.

REFERENCES:
Bartok et al., Acta Chim. Acad. Sci. Hung., vol. 100, No. 1-4, 1979, pp. 203-210.
Ullmann's Ency. of Indus. Chem.--5.sup.th Ed., vol. A4, 1985, pp. 496-497.
Chem Abst. Derwent J6 1246 173 A, 1985.
Chem Abst. Derwent J0 2255 668 A, 1989.
Ulmanns Enzyklopadie der technischen Chemie, 3.sup.rd Ed. vol. 4, pp. 802 and 803, 1953.

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