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Issue 31, 2018
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Hydrogenation of an iridium-coordinated imidazol-2-ylidene ligand fragment

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Abstract

An iridium complex featuring a metalated lutidine-derived CNP ligand reacts with KOtBu to yield a dimeric species with the two metal centers bound to the opposite ligands through the CHN arms. Furthermore, reaction with H2 in the presence of KOtBu of the same iridium derivative results in the hydrogenation of the –CH[double bond, length as m-dash]CH– imidazolylidene moiety of the complex. NMR spectroscopy monitoring of the latter reaction supports the initial formation of a dihydride iridium complex containing an imidazolylidene ligand fragment that is hydrogenated after prolonged reaction time.

Graphical abstract: Hydrogenation of an iridium-coordinated imidazol-2-ylidene ligand fragment

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Publication details

The article was received on 17 Jan 2018, accepted on 19 Mar 2018 and first published on 21 Mar 2018


Article type: Communication
DOI: 10.1039/C8CC00420J
Chem. Commun., 2018,54, 3843-3846

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    Hydrogenation of an iridium-coordinated imidazol-2-ylidene ligand fragment

    M. Hernández-Juárez, J. López-Serrano, P. González-Herrero, N. Rendón, E. Álvarez, M. Paneque and A. Suárez, Chem. Commun., 2018, 54, 3843
    DOI: 10.1039/C8CC00420J

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