Process for preparing diesters of carboxylic acids by...

Details Process for preparing diesters of carboxylic acids by... Process for preparing diesters of carboxylic acids by...

C - Chemistry, Metallurgy

07

C

260/486.7

C07C 67/36 (2006.01) B01J 23/56 (2006.01)

Patent

CA 1047048

A B S T R A C T The invention relates to an improved process for preparing diesters of carboxylic acids by oxidative carbonylation of C2-C20 olefins, C1-C20 monohydric aliphatic alcohols and carbon monoxide in an atmosphere containing molecular oxygen at a temperature from room temperature to about 350°C. in the presence of a carrier-supported catalyst containing a platinum group metal, wherein said catalyst comprises, supported on a carrier, a post-reduced com- pound of a platinum group metal and a post-reduced compound of a metal having an atomic number of not less than 22 selected from the group consisting of metals of Groups Ib, IIb, III, IV, V, VI and VIIb of the periodic table.

222406

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