Process for the preparation of .alpha.-.beta. unsaturated alcoho

Details Process for the preparation of .alpha.-.beta. unsaturated alcoho Process for the preparation of .alpha.-.beta. unsaturated alcoho

1979-03-13

1981-01-27

Helfin, Bernard

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

Organic compounds

Oxygen containing

568813, C07C 2914

Patent

active

042477182

ABSTRACT:
An improved process for the preparation of .alpha.-.beta. unsaturated alcohols by the liquid phase catalytic hydrogenation of the corresponding aldehyde. An aldehyde is selected having the general formula ##STR1## wherein at least one of R.sub.1, R.sub.2 and R.sub.3 is an unsubstituted phenyl group or a phenyl group substituted with alkyl and/or alkoxy groups wherein the carbon atoms of the substituents on any phenyl group total no more than five, and the remainder of said R.sub.1, R.sub.2 and R.sub.3 independently represents hydrogen or an alkyl group having from 1 to 10 carbon atoms. The selected aldehyde is hydrogenated in the presence of a platinum catalyst in a liquid reaction medium of water and a water-immiscible organic solvent, wherein an alkali metal hydroxide and/or an alkali metal alkoxide promoter is dissolved in the water.

REFERENCES:
patent: 3280192 (1966-10-01), Levy et al.
patent: 4073813 (1978-02-01), Cordier

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