Preparation of alpha-pivaloyl-substituted acetic acid esters

Details Preparation of alpha-pivaloyl-substituted acetic acid esters Preparation of alpha-pivaloyl-substituted acetic acid esters

1981-10-29

1987-04-07

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

C07C 69716

Patent

active

046563091

ABSTRACT:
An alpha-pivaloyl-substituted acetic acid ester of the formula (H.sub.3 C).sub.3 CCOCH.sub.2 COOR, wherein R is an optionally-substituted alkyl, aryl, alkaryl, or aralkyl group, is prepared by (a) reacting an alpha-pivaloyl-substituted malonic acid ester with a base selected from the class consisting of alkali metal alkoxides and compounds of the formula MXY, wherein M is an alkaline earth metal, X is an alkoxy group, and Y is either an alkoxy group or a halogen atom, and (b) acidifying the resulting reaction mixture.

REFERENCES:
patent: 3518296 (1970-06-01), Bucourt et al.
patent: 3577455 (1971-05-01), Jones et al.
patent: 3798259 (1974-03-01), Wehrli

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