Process for forming esters of glyoxylic acids

Details Process for forming esters of glyoxylic acids Process for forming esters of glyoxylic acids

1983-11-03

1985-06-18

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6976

Patent

active

045242143

ABSTRACT:
Esters of glyoxylic acids are formed by the oxidation of an organoglycolate ester using a hypohalide oxidizing agent, preferably under phase transfer conditions using a phase transfer catalyst. An example of a suitable oxidizing agent is sodium hypohalite, and a preferred starting material is methyl mandelate.

REFERENCES:
patent: 3996259 (1976-12-01), Lee
patent: 4417053 (1983-11-01), Corvers et al.
G. A. Lee, Tetrahedron Letters, No. 20, pp. 1641-1644, 1976.
Stevens et al., J. Org. Chem., 1980, 45, No. 10, 1980, pp. 2030-2032.

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