Process for the carbonylation of acetylenically unsaturated comp

Details Process for the carbonylation of acetylenically unsaturated comp Process for the carbonylation of acetylenically unsaturated comp

1994-02-18

1995-05-09

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 97, C07C 6736

Patent

active

054141095

ABSTRACT:
A process for the carbonylation of acetylenically unsaturated compounds in the presence of a nucleophilic compound having one or more removable hydrogen atoms and a catalyst system based on a source of platinum, a bisphosphine of the formula R.sub.1 R.sub.2 PRPR.sub.3 R.sub.4 wherein each of R.sub.1,R.sub.2,R.sub.3 and R.sub.4 independently represents a hydrocarbyl group and R represents a bivalent bridging group and a source of anions from a conjugated base of an acid having a pKa of less than 4.

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