Process for preparing cycloalkanones and cycloalkanols

Details Process for preparing cycloalkanones and cycloalkanols Process for preparing cycloalkanones and cycloalkanols

1973-10-19

1976-03-02

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260610B, 260631R, C07C 2704, C07C 2900, C07C 4500

Patent

active

039418456

ABSTRACT:
Cycloalkanones and cycloalkanols can be prepared by conversion of cycloalkylhydroperoxides in solution in a suitable solvent, under the influence of a solid catalyst, Solution and catalyst form a heterogeneous system. For this purpose, a number of catalysts have been proposed, but the known processes have serious draw backs with respect to efficiency of the process, catalyst cost and/or alcohol to ketone ratio obtained.
According to the invention, cycloalkanones and cycloalkanols are prepared by conversion of cycloalkylhydroperoxides having 5-12 carbon atoms in the ring under the influence of a heterogeneous catalyst comprising copper oxide, at a temperature below 160.degree.C. Preferably, copper - chromium - oxide is applied as a catalyst.

REFERENCES:
patent: 2218457 (1940-10-01), Winans
patent: 2462103 (1949-02-01), Johnson
patent: 2497349 (1950-02-01), Farkas
patent: 2671809 (1954-03-01), Forturn et al.
patent: 2851496 (1958-09-01), Cates et al.
patent: 3187052 (1965-06-01), Nelson et al.
patent: 3422146 (1969-01-01), Defoor
"Kogyo Kagaku Zasshi," Vol. 73, pp. 2056-2058, (1970).

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