Synthesis and characterization of an iron complex bearing a cyclic tetra-N-heterocyclic carbene ligand: An artifical heme analogue?

Markus R. Anneser, Stefan Haslinger, Alexander Pöthig, Mirza Cokoja, Jean-Marie Basset, Fritz Kühn

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

An iron(II) complex with a cyclic tetradentate ligand containing four N-heterocyclic carbenes was synthesized and characterized by means of NMR and IR spectroscopies, as well as by single-crystal X-ray structure analysis. The iron center exhibits an octahedral coordination geometry with two acetonitrile ligands in axial positions, showing structural analogies with porphyrine-ligated iron complexes. The acetonitrile ligands can readily be substituted by other ligands, for instance, dimethyl sulfoxide, carbon monoxide, and nitric oxide. Cyclic voltammetry was used to examine the electronic properties of the synthesized compounds. © 2015 American Chemical Society.
Original languageEnglish (US)
Pages (from-to)3797-3804
Number of pages8
JournalInorganic Chemistry
Volume54
Issue number8
DOIs
StatePublished - Apr 6 2015

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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