Carbonylation catalyst system

Details Carbonylation catalyst system Carbonylation catalyst system

B - Operations, Transporting

01

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260/291, 252/63,

B01J 23/00 (2006.01) B01J 23/38 (2006.01) B01J 23/70 (2006.01) B01J 31/24 (2006.01) C07C 51/14 (2006.01) C07C 67/38 (2006.01) C07C 69/54 (2006.01) C07C 69/602 (2006.01) C07F 9/58 (2006.01) C07F 15/00 (2006.01)

Patent

CA 2011292

A catalyst system, which comprises a) a source of a Group VIII metal, and b) a phosphine of general formula: Image in which R1, R2 and R3 are independently selected from an optionally substituted aryl group and a group of general formula: Image wherein each of A, X, Y and Z is independently selected from a nitrogen atom, a CH group and a group of formula CR wherein R represents a hydroxyl group, an amino group, an amido group, a cyano group, an aryl group, an aryloxy group, a halogen atom, an optionally substituted hydrocarbyl group or an optionally substituted hydrocarbyloxy group, it also being possible for two adjacent CR groups to form a ring, provided that at least one of R1, R2 and R3 represents a group of formula (II) in which at least one of A and Z represents a group of formula CR; or an acid addition salt thereof. Also disclosed are novel phosphines, and the use of the catalyst system in the selective carbonylation of unsaturated hydrocarbons.

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