Catalyst for preparation of biaryl compounds

Details Catalyst for preparation of biaryl compounds Catalyst for preparation of biaryl compounds

1990-03-12

1991-06-04

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502104, 502109, 502113, 502117, C08F 470

Patent

active

050213806

ABSTRACT:
A method for the preparation of biaryl compounds is disclosed which comprises contacting an aryl halide with a tertiary-alkyl organometallic reagent (or the precursor components thereof) in the presence of a catalyst comprising a nickel compound and a coordinating ligand under conditions suitable for the formation of biaryl compound.
In an alternate embodiment of the present invention, nickel(O) compounds are prepared from nickel(II) compounds by contacting a nickel(II) compound with a combination of an organophosphine and a bidentate nitrogen-containing coordinating ligand, and a tertiary-alkyl organometallic reagent (or the precursor components thereof) in an aprotic, non-polar, ether-containing solvent system for a time and under conditions suitable for the formation of nickel(0) compound.

REFERENCES:
patent: 4000211 (1976-12-01), Smith et al.
patent: 4187197 (1980-02-01), Kabanov et al.
patent: 4263466 (1981-04-01), Colon et al.
patent: 4283305 (1981-08-01), Chauvin et al.
patent: 4533651 (1985-08-01), Masters et al.

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