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N-Heterocyclic carbene chemistry of iron: fundamentals and applications

2012; Royal Society of Chemistry; Volume: 48; Issue: 30 Linguagem: Inglês

10.1039/c2cc18021a

1364-548X

Michael J. Ingleson, Richard A. Layfield,

Asymmetric Hydrogenation and Catalysis

The use of N-heterocyclic carbenes (NHCs) in the chemistry of iron is stimulating important new applications of one of the most ubiquitous ligand types in modern organometallic chemistry. A series of reports has shown how the flexible and modifiable stereo-electronic properties of NHC ligands can be combined with iron in a range of oxidation states to create opportunities for studying unique structures, bonding and reactivity. Of particular interest are the roles of iron NHC complexes in: the stabilization of unusual oxidation states and coordination environments; the activation of small molecules; homogeneous catalysis; and bio-mimetic chemistry. Our feature article summarizes the key developments in the field.