C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 213/71 (2006.01) C07D 213/74 (2006.01)
Patent
CA 2401546
This invention relates to the preparation of 3-sulfonamido-4- arylaminopyridines by heating a 3-sulfonamido-4-aminopyridine with an aryl halide in the presence of an alkaline compound, a copper-containing agent and in the presence of a polar protic solvent.
Guntoori Bhaskar Reddy
Horne Stephen E.
Zetina-Rocha Carlos B.
Apotex Pharmachem Inc.
Brantford Chemicals Inc.
Mckinnon Graham J.k.
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