New chromium complexes of the redox-active [ONO] ligand ([ONO]H3 = N,N-bis(3,5-di-tert-butyl-2-phenol)amine) have been prepared. Both the previously unreported homoleptic complex Cr[ONO]2 and heteroleptic [ONO]CrXnL(3-n) complexes have been prepared and characterized by X-ray diffraction, cyclic voltammetry, and EPR and electronic absorption spectroscopies. Both single- and multi-electron reactivity have been observed for the [ONO]CrXnL(3-n) platform. The chromium metal shows a strong proclivity for the +3 oxidation state necessitating that the redox changes be compensated primarily by the ligand framework.

Chromium complexes of the redox-active [ONO] ligand

248th National Meeting (2014)

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