Catalyst compositions

Details Catalyst compositions Catalyst compositions

C - Chemistry, Metallurgy

08

G

252/91, 402/7.1

C08G 67/02 (2006.01)

Patent

CA 1293241

A B S T R A C T CATALYST COMPOSITIONS Novel catalyst compositions, characterized in that they are based upon a) a palladium compound, b) an acid with a pKa of less than 2, provided that the acid is not a hydrohalogenic acid, c) a bidentate ligand of the general formula R1R2-M-R-M-R3R4, wherein M represents phosphorus, arsenic or antimony, R1, R2, R3 and R4 represent hydrocarbyl groups which may or may not be substituted with polar groups and R represents a bivalent organic bridging group having at least two carbon atoms in the bridge, and d) a quinone.

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