om900849m_si_002.cif (11.72 kB)

Oxidatively Induced Carbon−Halogen Bond-Forming Reactions at Nickel

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posted on 09.11.2009, 00:00 by Andrew T. Higgs, Paul J. Zinn, Sarah J. Simmons, Melanie S. Sanford
This communication describes the first reported example of carbon−halogen bond formation from an isolable nickel aryl halide precursor. In addition, oxidatively induced Ar−Br bond-forming reactions from the nickel(II) complex NiII(phpy)(Br)(pic) (phpy = 2-phenylpyridine; pic = 2-picoline) are demonstrated using CuBr2, Br2, ceric ammonium nitrate, and ferrocenium as oxidants. On the basis of several pieces of evidence, the intermediacy of Ni(III) species is proposed in these transformations.

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