Process for the preparation of saturated aliphatic ketones

Details Process for the preparation of saturated aliphatic ketones Process for the preparation of saturated aliphatic ketones

2011-05-03

2011-05-03

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Oxygen containing

C568S388000, C568S395000, C568S396000

Reexamination Certificate

active

07935849

ABSTRACT:
Saturated aliphatic ketones, e.g. hexahydropseudoionone, may be prepared by hydrogenating an olefinically unsaturated ketone, e.g. pseudoionone in a continuous fixed-bed mode in the absence of a solvent in the presence of a catalyst comprising a noble metal deposited on a carrier.

REFERENCES:
patent: 2272122 (1942-02-01), Lee
patent: 6380437 (2002-04-01), Shi et al.
patent: 2002/0161263 (2002-10-01), Shi et al.
patent: 2004/0249218 (2004-12-01), Wiese et al.
patent: 1 106 597 (2000-11-01), None
patent: 1 179 520 (2002-02-01), None
patent: WO 03/031383 (2003-04-01), None
Taylor, David R.,The Chemistry of Allenes, University of Manchester Institute of Science and Technology, pp. 317, 334 & 336 (1967).

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