Preparation of cyclic ketones

Details Preparation of cyclic ketones Preparation of cyclic ketones

1995-10-04

1997-02-04

Reamer, James H.

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

Organic compounds

Oxygen containing

568319, 568397, C07C 4545

Patent

active

056000138

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 condensed or uncondensed neutral phosphate.

REFERENCES:
patent: 3454619 (1969-07-01), Hayes
patent: 3468956 (1969-09-01), Mead
patent: 5001273 (1991-03-01), Kline-Homann

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