Preparation of alpha-substituted .beta.-dicarbonyl, .beta.-cyano

Details Preparation of alpha-substituted .beta.-dicarbonyl, .beta.-cyano Preparation of alpha-substituted .beta.-dicarbonyl, .beta.-cyano

1985-10-01

1987-08-04

Brust, Joseph Paul

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

Organic compounds

Nitriles

546330, 546335, 549 74, 549 76, 549 78, 549 79, 260404, 260405, 560 51, 560 82, 560126, 560127, 560174, 560190, 558371, 558372, 568376, 568390, C07C 6938, C07C12000

Patent

active

046847430

ABSTRACT:
.beta.-Dicarbonyl, .beta.-cyanocarbonyl and .beta.-dicyano compounds I ##STR1## where R.sup.1 is an organic radical, X and Y are COOR.sup.2, --CO--R.sup.2 or --CN and R.sup.2 is an organic radical, 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.
Schmall, et al.; C. A., 84, 84:105052f (1976).

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