Preparation of cyclic ketones

Details Preparation of cyclic ketones Preparation of cyclic ketones

1994-05-31

1999-01-05

Reamer, James H.

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

Organic compounds

Oxygen containing

C07C 4545

Patent

active

058565817

ABSTRACT:
Cyclic ketones, notably cyclopentanone and 2,2-dimethylcyclopentanone, are simply, economically and efficiently prepared, even on an industrial scale, by decarboxylating/cyclizing a dicarboxylic acid, in liquid phase, in the presence of a catalytically effective amount of a metal or compound thereof selected from among boron, aluminum, gallium, indium, thallium, tin, antimony, bismuth, molybdenum, rubidium, cesium and vanadium.

REFERENCES:
patent: 4822920 (1989-04-01), Lerner et al.

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