Synthesis of dialkyl oxalates by the heterogeneously catalyzed o

Details Synthesis of dialkyl oxalates by the heterogeneously catalyzed o Synthesis of dialkyl oxalates by the heterogeneously catalyzed o

1982-06-16

1984-08-28

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

502 74, 502170, 502182, 502185, 502230, 502242, 502247, 502262, 502326, 502350, 502353, 560190, C07C 6736

Patent

active

044685238

ABSTRACT:
Synthesis of dialkyl oxalates by the oxidative carbonylation of liquid monohydric saturated alcohols of from 1 to 20 carbon atoms with carbon monoxide and oxygen or an oxygen-containing gas in the presence of a catalytic amount of a catalyst comprising palladium or a salt thereof in combination with vanadium in the oxide (V.sub.2 O.sub.5, V.sub.2 O.sub.4, V.sub.2 O.sub.3) form and titanium or a non-hydrolyzable salt thereof, said catalyst being present in a heterogeneous phase.

REFERENCES:
patent: 3393136 (1968-07-01), Fenton et al.
patent: 3994960 (1976-11-01), Yamazaki 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.
patent: 4281174 (1981-07-01), Current

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