Process for preparing oxalic acid diesters using platinum group

Details Process for preparing oxalic acid diesters using platinum group Process for preparing oxalic acid diesters using platinum group

1982-01-11

1983-10-18

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

502327, C07C 6736

Patent

active

044107226

ABSTRACT:
In a process for preparing a diester of oxalic acid by the vapor phase catalytic reaction of carbon monoxide with an ester of nitrous acid in the presence of a catalyst composed of a solid carrier and a platinum-group metal or a salt thereof supported on the carrier, the improvement wherein said solid carrier is alumina having a specific surface area of not more than 90 m.sup.2 /g.

REFERENCES:
patent: 4138587 (1979-02-01), Yamasaki et al.
patent: 4229589 (1980-10-01), Nishimura et al.
patent: 4229591 (1980-10-01), Nishimura et al.

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