Process for preparing a diester of oxalic acid

Details Process for preparing a diester of oxalic acid Process for preparing a diester of oxalic acid

1978-08-31

1980-10-21

Myers, Jane S.

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

Organic compounds

Carboxylic acid esters

560190, 560198, 560204, C07C 6736, C07C 6936

Patent

active

042295890

ABSTRACT:
A process for preparing a diester of oxalic acid which comprises bringing carbon monoxide into contact with an ester of nitrous acid in the liquid phase, in the presence of metallic palladium or a salt thereof, preferably with introduction of a gas containing molecular oxygen into the reaction system, more preferably with further incorporation of an alcohol in the reaction system.

REFERENCES:
patent: 4041068 (1977-08-01), Zehner et al.
patent: 4138587 (1979-02-01), Yamasaki et al.
Karrer, Organic Chemistry, p. 100, (1938).

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