Process for purifying aldehyde-containing ketones

Details Process for purifying aldehyde-containing ketones Process for purifying aldehyde-containing ketones

1978-08-08

1980-08-26

Morgenstern, N.

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

Organic compounds

Oxygen containing

C07C 4524

Patent

active

042195071

ABSTRACT:
A process for purifying an aldehyde-containing ketone, which comprises catalytically hydrogenating a crude ketone containing minor amounts of aliphatic aldehydes at a temperature of from room temperature to about 100.degree. C. and a pressure of from atmospheric pressure to 10 kg/cm.sup.2 .multidot.G, in the presence of hydrogen, a palladium-containing catalyst, and about 0.4 to about 15% by weight, based on the weight of the crude ketone, of an active hydrogen-containing compound having a higher boiling point than the ketone which is selected from the group consisting of water, aliphatic alcohols containing 3 to 7 carbon atoms, aliphatic carboxylic acids containing 1 to 6 carbon atoms, alicyclic alcohols containing 5 to 8 carbon atoms and alkylamines having an alkyl or cycloalkyl group containing 5 to 9 carbon atoms; distilling the hydrogenated product; and recovering a fraction containing the ketone.

REFERENCES:
patent: 2205184 (1940-06-01), Woodhouse
patent: 2543038 (1951-02-01), McGrath
patent: 3137732 (1964-06-01), Kuper
patent: 3309407 (1967-03-01), Carpenter et al.
patent: 3980718 (1976-09-01), Shabtai et al.

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