A macrocyclic 'Co0' complex: the relevance of ligand non-innocence to reactivity. Issue 53 (20th April 2017)

• Record Type: Journal Article
• Authors: Kaspar, Manuel; Altmann, Philipp J.; Pöthig, Alexander; Sproules, Stephen; Hess, Corinna R.
• Is Part Of: Chemical communications. Volume 53:Issue 53(2017)
• Page Start: 7282
• Page End: 7285
• Publication Date: 2017-04-20
• Subjects: Chemistry -- Periodicals; 540
• DOI: 10.1039/c7cc02239e
• Languages: English
• ISSNs: 1359-7345

Abstract

Abstract : A formally 'Co 0 ' compound, containing the redox-active macrocyclic Mabiq ligand, was isolated and characterized. Ligand redox non-innocence in this system has important ramifications for reactivity. Abstract : 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 Co II –(ligand-biradical). Compound1 is reactive toward proton sources; Co I or Co II 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.