Abstract
In this frontier article we overview the emergence and scope of NHC-based CCC and CNC pincer systems, i.e. complexes containing mer-tridentate ligands bearing two NHC donor groups, comment on their effectiveness in applications, and highlight areas for future development and exploitation.
Highlights
Forming adducts with elements throughout the periodic table, the applications of N-heterocyclic carbenes (NHCs) pervade modern synthetic chemistry.[1,2] Rivalling more established phosphine ligands, these carbon-based donors have become ubiquitous in organometallic chemistry and, building on pioneering work by Herrmann in the late 90s, transformed homogeneous transition metal catalysis.[1,2,3,4] The evolution of Rhiann, Adrian and Lucero in customary Chaplin group posesRhiann graduated from the University of Liverpool in 2012 with a MChem with Research in industry, working at GlaxoSmithKline and in the research group of Prof
Born in New Zealand, Adrian obtained his undergraduate degree from Massey University (2003) before relocating to Switzerland, where he carried out his doctoral studies at the Ecole Polytechnique Fédérale de Lausanne (EPFL), graduating in 2007
From a survey of the literature, these systems account for 84% of publications and 78% of solid-state structures associated with this bourgeoning ligand class.[13]
Summary
In this frontier article we overview the emergence and scope of NHC-based CCC and CNC pincer systems, i.e. complexes containing mer-tridentate ligands bearing two NHC donor groups, comment on their effectiveness in applications, and highlight areas for future development and exploitation
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