Process for producing a lactone or an ester

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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549273, 549295, 554124, 560 61, 560129, 560179, 560205, C07D31300, C07C 6976

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active

054059747

ABSTRACT:
A process for producing a lactone or an ester represented by the following general formula (2), wherein R.sup.1 and R.sup.2, identical or different, each represents (C.sub.1 --C.sub.20) alkyl group; alkyl group substituted with a terminal alkenyl, halogen, alkoxy, phenoxy or acyloxy; phenyl group; or phenyl group substituted with alkyl, halogen, alkoxy, phenoxy or acyloxy; phenylalkyl group; or phenylalkyl group substituted with alkyl, halogen, alkoxy, phenoxy or acyloxy; provided that when R.sup.1 and R.sup.2, identical or different, each represents unsubstituted alkyl group or alkyl group substituted with a terminal alkenyl, halogen, alkoxy, phenoxy, acyloxy or phenyl, the respective alkyl parts of R.sup.1 and R.sup.2 may be conjunct to each other; which comprises reacting a ketone represented by the following general formula (1), wherein R.sup.1 and R.sup.2 are as defined above, with oxygen in the presence of an aldehyde either in the absence of catalyst or in the presence of a heterogeneous iron-containing or ruthenium-containing catalyst: ##STR1##

REFERENCES:
patent: 3025306 (1962-03-01), Guest et al.
patent: 3483222 (1969-12-01), Sennewald et al.
Yamada et al., "The Baeyer-Villiger Oxidation of Ketones Catalyzed by Nickel(III) Complexes with Combined Use of Molecular Oxygen and an Aldehyde," Chemistry Letters, 641-44 (1991).
Chemical Abstracts, 65: 20019a (1966).

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