Process for producing alkoxy ketones

Details Process for producing alkoxy ketones Process for producing alkoxy ketones

1977-01-17

1979-02-27

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4516

Patent

active

041419197

ABSTRACT:
A process for producing alkoxy ketones of formula I ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 8 carbon atoms, R.sub.2 represents hydrogen or an alkyl group having 1 to 4 carbon atoms, and n represents 1 or 2, by dehydrogenation of a corresponding alkoxyalkanol on a copper-containing catalyst which has been activated by treatment with hydrogen at 120.degree. to 450.degree. C., in which process the activated catalyst is firstly brought into contact at 230.degree. to 350.degree. C. with the vapor of the alkoxyalkanol to be dehydrogenated; hydrogen is subsequently passed over the catalyst at 250.degree. to 450.degree. C.; and then the dehydrogenation is performed at 150.degree. to 450.degree. C. on the catalyst pretreated in this manner, is disclosed.

REFERENCES:
patent: 1999388 (1935-04-01), Bader et al.
patent: 2083877 (1937-06-01), Steck et al.
patent: 2634295 (1953-04-01), MacLean
patent: 3285714 (1966-11-01), Poehler et al.
patent: 3462495 (1969-08-01), Friedli
patent: 3554930 (1971-01-01), Rogers et al.

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