Process for the carbonylation of ethylenically unsaturated...

Details Process for the carbonylation of ethylenically unsaturated... Process for the carbonylation of ethylenically unsaturated...

2007-09-04

2007-09-04

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Carboxylic acid esters

C562S519000, C562S522000, C562S523000

Reexamination Certificate

active

10524034

ABSTRACT:
A process for the carbonylation of ethylenically unsaturated compounds is described. The process comprises reacting an ethylenically unsaturated compound with carbon monoxide in the presence of a source of hydroxyl groups and a catalyst system. The catalyst system is obtained by combining: (a) metal of Group VIII or a compound thereof; and (b) a bidentate phosphine of general formula (I) The carbonylation reaction is carried out at a temperature of between −30° C. to 49° C. and under a CO partial pressure of less than 30×105N.m−2

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