Preparation of butyrolactones

Details Preparation of butyrolactones Preparation of butyrolactones

1981-02-27

1982-04-13

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30732

Patent

active

043247270

ABSTRACT:
A process for the preparation of a butyrolactone of the general formula ##STR1## where R.sup.1 is unsubstituted or substituted alkyl or phenyl and R.sup.2 to R.sup.6 are hydrogen or unsubstituted or substituted alkyl or phenyl, wherein a .gamma.-formylcarboxylic acid ester of the formula ##STR2## where R is lower alkyl, is treated with oxygen at an elevated temperature of 60.degree.-150.degree. C.

REFERENCES:
patent: 2986568 (1961-03-01), Johnston
patent: 3299100 (1967-01-01), Phillips
patent: 3952020 (1976-04-01), Stapp
patent: 3957827 (1974-10-01), Lyons
patent: 3963757 (1976-06-01), Stapp
patent: 4031114 (1977-06-01), Kurkov
patent: 4031115 (1977-06-01), Kurkov
Houben-Weyl, "Methoden der Organischen Chemie" Band VI/2 (1963), pp. 571-580.

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