Process for preparing glyoxylic esters and their hydrates

Details Process for preparing glyoxylic esters and their hydrates Process for preparing glyoxylic esters and their hydrates

1997-11-21

1999-08-17

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560193, 560194, C07C 6966

Patent

active

059395800

ABSTRACT:
Process for preparing glyoxylic esters or their hydrates in which a water-soluble salt of a maleic or fumaric monoester or a mixture thereof is reacted with ozone in aqueous solution at temperatures of from 0 to 50.degree. C., and the corresponding glyoxylic ester or its hydrate is isolated from the resulting reaction mixture.

REFERENCES:
patent: 3145232 (1964-08-01), Thompson
patent: 5015760 (1991-05-01), Sajtos
CA 88: 49998 (1977).

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