Process for the reduction of carbonyl compounds

Details Process for the reduction of carbonyl compounds Process for the reduction of carbonyl compounds

1989-06-28

1991-04-02

Lone, Werren B.

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

Organic compounds

Oxygen containing

568814, 568876, 568878, 568884, 568885, C07C 2914, C07C 29132

Patent

active

050048449

ABSTRACT:
A process for the preparation of a primary or secondary alcohol, which comprises hydrogenating respectively an aldehyde or ketone in the presence of a catalyst system comprising a platinum compound, an acid having a pKa in the range from about 2 to about 10.5 and a phosphorus compound of the formula R.sup.1 R.sup.2 POH, wherein R.sup.1 and R.sup.2 each independently represents an alkyl group or a phenyl group, at a temperature in the range from about 20.degree. to about 150.degree. C. and at a pressure in the range from about 1 to about 100 bar.

REFERENCES:
patent: 3574716 (1971-04-01), Coffey
patent: 3968147 (1976-07-01), Bolodar
patent: 4072720 (1978-02-01), Haag et al.
patent: 4418227 (1983-11-01), Pez et al.
P. W. N. M. van Leeuwen et al, Journal of the Chemical Soc., Chem. Comm., No. 1 (1986), pp. 31-33.
W. B. Beaulieu et al, Inorganic Chemistry, vol. 14, No. 7 (1975), pp. 1732-1734.
P. C. Kong et al, J. Chem. Soc., Dalton Trans., vol. 2 (1974), pp. 187-189.

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