Preparation of carbonyl compounds

Details Preparation of carbonyl compounds Preparation of carbonyl compounds

1979-08-17

1981-04-07

Helfin, Bernard

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

Organic compounds

Oxygen containing

568434, 568396, 568318, 260465R, 560 51, C07C 4562

Patent

active

042608295

ABSTRACT:
Carbonyl compounds R.sup.1 --CHR.sup.2 --CHR.sup.3 --CR.sup.4 O (I, R.sup.1 =H or an organic radical; R.sup.2 -R.sup.4 =H or C.sub.1 -C.sub.4 -alkyl) are prepared by selective hydrogenation of the .alpha.,.beta.-unsaturated carbonyl compounds R.sup.1 --CR.sup.2 =CR.sup.3 --CR.sup.4 O (II) in the liquid phase by means of hydrogen in the presence of a palladium catalyst and of from 15 to 50% by weight, based on (II), of a tertiary amine.

REFERENCES:
patent: 3860657 (1975-01-01), Easter et al.
patent: 3971830 (1976-07-01), Gradeff

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