Process for the preparation of pivaloylpyruvic acid esters

Details Process for the preparation of pivaloylpyruvic acid esters Process for the preparation of pivaloylpyruvic acid esters

1983-05-13

1988-04-19

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

564136, C07C 67343, C07C 69716

Patent

active

047391049

ABSTRACT:
An improved process for the preparation of pivaloylpyruyic acid ester by reaction of pinacolin with an oxalic acid dialkyl ester followed by neutralization of the reaction mixture is disclosed, wherein the reactants are mixed at a temperature of -50.degree. to +50.degree. C. and the reaction completed at a temperature of 35.degree. to 200.degree. C.

REFERENCES:
Royals, J. Amer. Chem. Soc., vol. 67, 1508-1509 (1945).

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