Preparation of ketones

Details Preparation of ketones Preparation of ketones

1974-05-24

1978-09-12

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4500

Patent

active

041137795

ABSTRACT:
A process is provided for the preparation of aryl ketones by catalytic decomposition of tertiary hydroperoxides, in particular for the preparation of acetophenone from cumene hydroperoxide, said process comprising effecting the catalytic decomposition of a tertiary hydroperoxide of the formula: ##STR1## in which Ar represents a monovalent aromatic radical, the free valency of which is carried by a carbon atom belonging to an aromatic ring, and R.sup.1 and R.sup.2, which may be identical or different, each represents a monovalent aliphatic radical or R.sup.1 and R.sup.2 together form a divalent aliphatic radical, in a reaction medium comprising water, an inorganic or organic derivative of copper and a phenol, and at a temperature of from 50.degree. C to 150.degree. C.

REFERENCES:
patent: 2557968 (1951-06-01), Hulse et al.
patent: 3531519 (1970-09-01), Parkin et al.
Seiichiro et al., Chem. Abst., vol. 78, 151982h, (1973).

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