Preparation of aliphatic carbonyl compounds

Details Preparation of aliphatic carbonyl compounds Preparation of aliphatic carbonyl compounds

1979-12-27

1981-05-26

Lone, Werren B.

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

Organic compounds

Oxygen containing

568465, 568462, 568463, 568388, C07C 4545, C07C 4702, C07C 4904

Patent

active

042700060

ABSTRACT:
Aliphatic carbonyl compounds are prepared by an aldol condensation of carbonyl compounds R.sup.1 --CH.sub.2 --CO--R.sup.2 (I; R.sup.1 and R.sup.2 =H or C.sub.1 -C.sub.8 -alkyl) in the presence of hydrogen and of a catalyst which has both condensing and hydrogenating properties, by using a catalyst system wherein the active components are from 1 to 90 percent by weight of a noble metal of group VIII of the periodic table and from 10 to 99 percent by weight of an oxide or salt of a rare earth metal, or of a mixture of different oxides and/or salts of rare earth metals.

REFERENCES:
patent: 2485989 (1949-10-01), Smith et al.
patent: 3953517 (1976-04-01), Schmitt et al.
patent: 4146581 (1979-03-01), Nissen et al.

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