Process for the preparation of alpha-alkyl lactones

Details Process for the preparation of alpha-alkyl lactones Process for the preparation of alpha-alkyl lactones

Filed on

1990-11-29

Date issued

1993-07-27

Examiner

Ivy, C. Warren

Patent Class

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

SubClass

Organic compounds

SubSubClass

Heterocyclic carbon compounds containing a hetero ring...

Other Related Categories

549295, C07D30918, C07D30728

Type

Patent

Status

active

Patent number

052311929

Description

ABSTRACT:
Process for the preparation of .alpha.-alkyl lactones by the steps of first reacting an .alpha.-acyl lactone, an aldehyde, and an alkali metal hydroxide together to form an .alpha.-alkylidene lactone, and then hydrogenating the .alpha.-alkylidene lactone.

REFERENCES:
patent: 4734511 (1988-03-01), Inagaki et al.
patent: 4943652 (1990-07-01), Yatogai et al.

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