Catalyst compositions

Details Catalyst compositions Catalyst compositions

C - Chemistry, Metallurgy

07

F

C07F 9/50 (2006.01) B01J 31/24 (2006.01) C07C 43/174 (2006.01) C08G 67/02 (2006.01)

Patent

CA 2041256

T 1534 A B S T R A C T CATALYST COMPOSITIONS Catalyst compositions, which contain a Group VIII metal and a bisphosphine with the general formula (R2)2P-R3-P(R2)2 in which R2 represents an aryl group containing at least one alkoxy substituent at the ortho position relative to the phosphorus atom to which the aryl group is linked and in which R3 is a divalent bridge group containing just three carbon atoms in the bridge, of which the central carbon atom forms part of a -CHR4- group in which R4 represents a monovalent substituent comprising carbon, hydrogen and optionally oxygen. They are suitable for the preparation of copolymers of carbon monoxide and olefinically unsaturated compounds. VMI/T1534FF

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