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

1981-03-09

1982-07-20

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560205, 560225, 568885, 2604109N, C11C 312

Patent

active

043405460

ABSTRACT:
Unsaturated carboxylic acids, as exemplified by oleic acid, erucic acid, crotonic acid, etc., may be subjected to a reduction reaction by treatment with hydrogen in the presence of a catalyst comprising cadmium and rhenium composited on a solid support such as alumina. The reduction reaction is effected at elevated temperatures and pressures, a specific feature of the reaction process being that hydrogen is continuously bled from the reactor during the reaction period. This feature results in obtaining a higher selectivity of esters and alcohols which retain the unsaturation of the original starting material.

REFERENCES:
patent: 3123626 (1964-03-01), Kirsch
Chem. Absts. 82:P116749y; 71:P3049f; 72:R47921c.

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