Chemistry of Iron N -heterocyclic carbene complexes: Syntheses, structures, reactivities, and catalytic applications

Korbinian Riener, Stefan Haslinger, Andreas Raba, Manuel Peter Hogerl, Mirza Cokoja, Wolfgang A. Herrmann, Fritz Kühn

Research output: Contribution to journalArticlepeer-review

308 Scopus citations

Abstract

Iron is the most abundant transition metal in Earth's crust. It is relatively inexpensive, not very toxic, and environmentally benign. Undoubtedly, due to the involvement in a multitude of biological processes, which heavily rely on the rich functionalities of iron-containing enzymes, iron is one of the most important elements in nature. Additionally, three-coordinate iron complexes have been reported during the past several years. In this review, the mentioned iron NHC complexes are categorized by their main structure and reactivity attributes. Thus, monocarbene and bis-monocarbene complexes are presented first. This class is subdivided into carbonyl, nitrosyl, and halide compounds followed by a brief section on other, more unconventional iron NHC motifs. Subsequently, donor-substituted complexes bearing bi-, tri-, tetra-, or even pentadentate ligands and further pincer as well as scorpionato motifs are described.
Original languageEnglish (US)
Pages (from-to)5215-5272
Number of pages58
JournalChemical Reviews
Volume114
Issue number10
DOIs
StatePublished - Mar 21 2014

ASJC Scopus subject areas

  • Chemistry(all)

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