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

1987-08-19

1988-05-17

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 2914

Patent

active

047452340

ABSTRACT:
The invention relates to a process for the preparation of .alpha.-.beta. unsaturated alcohols of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3, which may be equal or different, represent phenyl, optionally substituted with one or more alkyl and/or alkoxy groups, the total number of C atoms of these substituents being at most 5, or hydrogen or an alkyl group with 1-10 C atoms, with at least one of the groups R.sub.1, R.sub.2 and R.sub.3 representing the optionally substituted phenyl group, by hydrogenation in the liquid phase of the aldehyde corresponding with the desired alcohol, this being effected in the presence of a platinum-containing catalyst and of an alkali metal hydroxide and/or an alkali metal alkoxide as promotor, wherein platinum-on-graphite is used as catalyst.

REFERENCES:
patent: 3857900 (1974-12-01), Wilkinson
patent: 4247718 (1981-01-01), Dautzenberg et al.

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