Preparation of cyclic ether ketones

Details Preparation of cyclic ether ketones Preparation of cyclic ether ketones

1995-05-12

1997-02-25

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549346, 549475, 549510, C07D30912, C07D30720

Patent

active

056060815

ABSTRACT:
A process for the preparation of a cyclic ether ketone of the general formula I ##STR1## in which R.sup.1 and R.sup.2 denote hydrogen or C.sub.1 -C.sub.4 alkyl, m and n denote integers from 1 to 5, in which a cyclic ether aldehyde of the general formula I ##STR2## in which have R.sup.1, R.sup.2, m and n have the above meanings, is reacted with an oxygen-containing gas in the presence of a solid or supported catalyst containing copper and/or manganese, at temperatures of from 50.degree. to 300.degree. C. and pressures of from 0.01 to 10 bar.

REFERENCES:
patent: 3496197 (1970-02-01), Van Rheemen
patent: 3767711 (1973-10-01), Gobron et al.
patent: 3855304 (1974-12-01), Sakakibara et al.
patent: 4000199 (1976-12-01), Obenaus et al.
patent: 4120824 (1978-10-01), Kruse
patent: 4200589 (1980-04-01), Scharf
patent: 4250119 (1981-02-01), Scharf et al.
Chem Ber. 109 (1976) 3707 to 3727.
J. Mol. Cat. 72(1992) 143 to 152.
J. Am. Chem. Soc. 1992, 114, 3685 - 6392.

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