An unprecedented, figure-of-eight, dinuclear iridium(i) dicarbene and new iridium(iii) ‘pincer’ complexes
Chemical Communications2008Iss. 34, pp. 3983–3983
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Matthieu Raynal, Catherine S. J. Cazin, Christophe Vallée, Hélène Olivier‐Bourbigou, Pierre Braunstein
Abstract
An unusual dinuclear Ir(I) complex bridged by two N-heterocyclic biscarbene ligands, forming a 20-membered, figure-of-eight dimetallacycle, and new CNHCCCNHC pincer complexes of Ir(III) have been obtained directly from the bis(imidazolium) precursors and [Ir(micro-Cl)(cod)]2.