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Carbon–Carbon Bond-Forming Reductive Elimination from Isolated Nickel(III) Complexes

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posted on 2016-12-02, 19:04 authored by James R. Bour, Nicole M. Camasso, Elizabeth A. Meucci, Jeff W. Kampf, Allan J. Canty, Melanie S. Sanford
This manuscript describes the design, synthesis, characterization, and reactivity studies of organometallic NiIII complexes of general structure TpNiIII(R)­(R1) (Tp = tris­(pyrazolyl)­borate). With appropriate selection of the R and R1 ligands, the complexes are stable at room temperature and can be characterized by cyclic voltammetry, EPR spectroscopy, and X-ray crystallography. Upon heating, many of these NiIII compounds undergo C­(sp2)–C­(sp2) or C­(sp3)–C­(sp2) bond-forming reactions that are challenging at lower oxidation states of nickel.

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