A macrocyclic ‘Co⁰’ complex: the relevance of ligand non-innocence to reactivity
2017
Kaspar, Manuel | Altmann, Philipp J. | Pöthig, Alexander | Sproules, Stephen | Hess, Corinna R.
We present a formally zero-valent compound, [Co(Mabiq)Na(OEt₂)]₂ (1). The complex was characterized by crystallographic, spectroscopic and DFT computational methods. The electronic structure is described as a Coᴵᴵ–(ligand-biradical). Compound 1 is reactive toward proton sources; Coᴵ or Coᴵᴵ products result, depending on the source of protons used. The redox non-innocence of the Mabiq ligand, which accepts both protons and electrons, has important ramifications for reactivity.
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