Process for the hydrocarboxylation of acetylenically...

Details Process for the hydrocarboxylation of acetylenically... Process for the hydrocarboxylation of acetylenically...

C - Chemistry, Metallurgy

07

C

260/536

C07C 51/56 (2006.01) C07C 51/54 (2006.01) C07C 53/12 (2006.01) C07C 57/03 (2006.01)

Patent

CA 1274251

ABSTRACT PROCESS FOR THE HYDROCARBOXYLATION OF ACETYLENICALLY UNSATURATED COMPOUNDS The hydrocarboxylation of alkynes with CO and a carboxylic acid in the presence of a catalyst prepared by combining a compound of divalent palladium and a tri-organic phosphine is carried out by using a ratio mol phosphine per gramaton of palladium of more than 15 and, preferably, in the presence of benzenephosphonic acid.

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