Process for the condensation of ketones

Details Process for the condensation of ketones Process for the condensation of ketones

1986-06-25

1987-11-03

Reamer, James H.

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

Organic compounds

Oxygen containing

568391, 568345, 568313, C07C 4572

Patent

active

047044780

ABSTRACT:
Two ketone molecules (which can be the same or different) can be condensed together in the presence of hydrogen to produce a higher ketone by contacting the materials to be condensed with a hydrogenation catalyst and with a non-zeolitic molecular sieve, which has in its calcined form an adsorption of isobutane of at least about 2 percent by weight of the non-zeolitic molecular sieve at a partial pressure of 500 torr and a temperature of 20.degree. C. One or both ketones may be generated in situ by dehydrogenation of an alcohol. The non-zeolitic molecular sieves can achieve improved conversions and selectivities as compared with most conventional catalysts for the reaction.

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