Process for the hydrocarboxylation of acetylenically unsaturated

Details Process for the hydrocarboxylation of acetylenically unsaturated Process for the hydrocarboxylation of acetylenically unsaturated

1986-03-05

1988-03-15

Moyer, Donald B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260546, C07C 5114

Patent

active

047312025

ABSTRACT:
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 tri-organic phosphine is carried out by using a ratio of mols phosphine per gramatoms of palladium of more than 15 and, preferably, in the presence of benzenephosphonic acid.

REFERENCES:
patent: 3641137 (1972-02-01), Fenton
patent: 4414160 (1983-11-01), Erpenbach et al.

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