Nickel catalyst for the cyanation of aromatic halides

Details Nickel catalyst for the cyanation of aromatic halides Nickel catalyst for the cyanation of aromatic halides

C - Chemistry, Metallurgy

07

F

C07F 17/02 (2006.01) B01J 31/22 (2006.01) B01J 31/24 (2006.01) C07C 253/14 (2006.01) C07C 255/49 (2006.01) C07D 207/34 (2006.01) C07D 307/68 (2006.01) C07D 333/38 (2006.01) C07F 15/04 (2006.01)

Patent

CA 2116828

Abstract The invention relates to a nickel compound which can be used as a catalyst, said nickel compound having a central nickel atom complexed by a diphosphine ligand. In said diphosphine ligand the P-atoms are interconnected through a metallocene biradical or an aromatic bivalent radical. The invention also relates to the use of said nickel compound and to a method of preparing an aromatic cyanide from an aromatic halide and an alkali metal cyanide in a substantially anhydrous non-dipolar aprotic solvent under the influence of said phosphine-nickel catalyst, in the presence of a reducing agent.

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