Process for the reduction of unsaturated carboxylic acids

Details Process for the reduction of unsaturated carboxylic acids Process for the reduction of unsaturated carboxylic acids

1981-12-09

1983-10-18

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260410, 2604109R, 2604109N, 560205, 560225, 568885, C11C 312

Patent

active

044104600

ABSTRACT:
Unsaturated carboxylic acids may be reduced to an ester or to a corresponding alcohol by treatment with hydrogen in the presence of a reducing catalyst system. The reducing catalyst system which is used in the present invention comprises rhenium and a nitrogen-containing compound composited on a solid support as exemplified by rhenium and ammonium hydroxide composited on gamma-alumina. By utilizing this catalyst system, it is possible to obtain products in which the carbonyl group of the molecule has been reduced with some retention of the double bond of the carbon chain.

REFERENCES:
patent: 3361776 (1968-01-01), De Vries
patent: 3595816 (1971-07-01), Barrett
patent: 4117242 (1978-09-01), Fozzard
patent: 4124617 (1968-11-01), Knifton
patent: 4340546 (1982-07-01), Qualeatti et al.

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