Catalyst compositions

Details Catalyst compositions Catalyst compositions

C - Chemistry, Metallurgy

08

G

402/387, 252/91

C08G 67/02 (2006.01)

Patent

CA 1313652

T 159 ABSTRACT CATALYST COMPOSITIONS 1. Novel catalyst compositions, comprising a) a palladium compound, b) an anion of an acid with a pKa of less than 6, c) a bidentate ligand of the general formula R1R2M-R-MR3R4, 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 is a bivalent organic bridging group having at least two carbon atoms in the bridge, and d) a compound chosen from the group formed by organic nitrites and nitro-compounds.

551447

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