Selective hydrocarboxylation of propylene to isobutyric acid

Details Selective hydrocarboxylation of propylene to isobutyric acid Selective hydrocarboxylation of propylene to isobutyric acid

C - Chemistry, Metallurgy

07

C

260/529.7

C07C 53/124 (2006.01) B01J 31/18 (2006.01) C07C 51/14 (2006.01)

Patent

CA 1133508

(5218) THE SELECTIVE HYDROCARBOXYLATION OF PROPYLENE TO ISOBUTYRIC ACID ABSTRACT A process for the selective hydrocarboxylation of propylene to produce predominantly isobutyric acid in the liquid phase is provided. The reaction of propylene, carbon monoxide and water is effected at a temperature of about 75°C to about 150°C and at a pressure of about 250 psi to about 5000 psi in the presence of a carboxylic acid solvent and a catalyst comprising a soluble palladium salt, an organo-arsine and a hydrogen halide.

361705

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