Electrochemistry of nickel picket fence porphyrin. Electrogeneration and spectral characterization of nickel complexes in unusual oxidation states

The electrochemical and spectroelectrochemical characterization of nickel(II) meso-α,α,α,α-tetrakis(o-pivalamidophenyl) porphyrin, (TpivPP)Ni, in dichloromethane, benzonitrile, and tetrahydrofuran is reported