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Chemical communications (Cambridge, England)

Recyclable copper catalyzed nitrogenation of biphenyl halides: a direct approach to carbazoles.


PMID 23515372

Abstract

A novel A21-CuI catalyzed direct nitrogenation of biphenyl halides for the direct synthesis of carbazoles via a direct C-H amination process has been developed. A recyclable and inexpensive Cu-catalyst was successfully employed in N-heterocyclic compound synthesis via tandem azidation and C-H amination, which makes this protocol very practical and easy to handle.