Dialkyl oxalates from carbon monoxide and an alcohol

Details Dialkyl oxalates from carbon monoxide and an alcohol Dialkyl oxalates from carbon monoxide and an alcohol

1979-12-17

1986-09-30

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

502155, 502213, 502230, 560190, C07C 6736

Patent

active

046148329

ABSTRACT:
Preparation of dialkyl oxalates by the oxidative carbonylation of alcohols which comprises reacting carbon monoxide with an alcohol in the presence of a catalytic amount of a catalyst comprising palladium in complex combination with a ligand and in the presence of a stoichiometric amount of a quinone. Advantageously, carboxylic acid cocatalysts may be employed in addition to the palladium-containing catalyst.

REFERENCES:
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patent: 3994960 (1976-11-01), Yamazaki et al.
patent: 4005128 (1977-01-01), Zehner et al.
patent: 4005129 (1977-01-01), Zehner
patent: 4005130 (1977-01-01), Zehner
patent: 4076949 (1978-02-01), Zehner
patent: 4118589 (1978-10-01), Cassar et al.
Rivetti et al, Journal of Organometallic Chemistry, 154 (1978) 323-6 (Jul., 1978).
Fenton et al, J. Org. Chem., 39(5), pp. 701-704 (1974).

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