Square Planar Nickel(II) Complexes with Halogenated o‐Diiminobenzosemiquinonato Ligation: Synthesis, Characterization, and Redox Property

Seven square planar bis(o-diiminobenzosemiquinonato)nickel(II) complexes, [Ni(o-C6H4(NH)(NAr))(2)] (Ar=Mes, 1; p-F-C6H4, 2; p-Cl-C6H4, 3), [Ni(o-4,5-F-2-C6H2(NH)(NPh))(2)] (4), and [Ni(o-4,5-Cl-2-C6H2(NH)(NAr))(2)] (Ar=Ph, 5; 2,6-F-2-C6H3, 6; 2,6-Cl-2-C6H

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