Preparation of .alpha.-substituted .beta.-dicarbonyl and .beta.-

Details Preparation of .alpha.-substituted .beta.-dicarbonyl and .beta.- Preparation of .alpha.-substituted .beta.-dicarbonyl and .beta.-

1987-05-04

1989-02-21

Brust, Joseph Paul

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

Organic compounds

Nitriles

558373, 558374, 560174, 568390, C07C12000, C07C 6938

Patent

active

048066702

ABSTRACT:
.beta.-Dicarbonyl and .beta.-cyanocarbonyl compounds ##STR1## where R.sup.1 is alkyl of 1-20 carbons, X is --COR.sup.2, Y is --COOR.sup.3, --COR.sup.3 or --CN, and R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.10 -alkyl, are prepared from R.sup.1 --CHO (II) and X--CH.sub.2 --Y (III) by reaction in the presence of a condensation catalyst, hydrogen and a hydrogenation catalyst, using an oxide or phosphate of Mg, Al, Ti, Zn or a rare earth metal as the condensation catalyst.

REFERENCES:
patent: 3839418 (1974-10-01), Hinton et al.
patent: 4684743 (1987-08-01), Gramlich et al.
Schmall, et al.; C.A., 84, 84:105052(f), 1976.

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