The advanced development of NHC chemistry has lead to an extensive array of NHC ligand classes varying in structural and electronic properties. Although monodentate NHC ligands are by far the most thoroughly studied, multi-dentate NHC ligands including bidentate, pincer, scorpionate and macrocyclic motifs along with their corresponding transition metal complexes are widely reported in the literature. The unique structural and electronic properties along with high degree of modularity inherent to NHC ligands has made them ideal candidates for the inclusion in chelate rings affording intriguing reactivity consequences in a wide range of transition metal-mediated reactions. This short review focuses on the recent developments of bidentate bis(NHC) transition metal complexes and their applications in contemporary metal-mediated reactions such as alkane oxidation, transfer hydrogenation and photochemical transformations.

Item Type:	Refereed Article
Keywords:	catalysis, synthesis, structure, N-heterocyclic carbenes, bis(N-heterocyclic carbenes), transition metal NHC, chelated bis(NHC), bidentate bis(NHC), catalysis
Research Division:	Chemical Sciences
Research Group:	Inorganic Chemistry
Research Field:	Transition Metal Chemistry
Objective Division:	Expanding Knowledge
Objective Group:	Expanding Knowledge
Objective Field:	Expanding Knowledge in the Chemical Sciences
UTAS Author:	Gardiner, MG (Associate Professor Michael Gardiner)
UTAS Author:	Ho, CC (Dr Curtis Ho)
ID Code:	128707
Year Published:	2018
Funding Support:	Australian Research Council (DP120101540)
Web of Science® Times Cited:	5
Deposited By:	Chemistry
Deposited On:	2018-10-08
Last Modified:	2019-03-07
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