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Issue 91, 2018
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Site-selective metallation of dicarbene precursors

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Abstract

An imidazolium/2-chlorobenzimidazole bis-NHC precursor has been reacted with Ag2O followed by transmetallation with [AuCl(THT)] to give the Au–NHC complex via metallation of the imidazolium site, while the reaction of the same bis-NHC precursor with [Pd(PPh3)4] yields exclusively the azolato complex by oxidative addition of the C2–Cl bond to Pd0. Both complexes have been converted into the heterobimetallic Au/Pd-complex by reaction with [Pd(PPh)3]4 (for the NHC complex) or Ag2O/[AuCl(THT)] (for the azolato complex), respectively.

Graphical abstract: Site-selective metallation of dicarbene precursors

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Publication details

The article was received on 22 Oct 2018, accepted on 22 Oct 2018 and first published on 23 Oct 2018


Article type: Communication
DOI: 10.1039/C8CC08440H
Citation: Chem. Commun., 2018,54, 12887-12890
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    Site-selective metallation of dicarbene precursors

    S. Bente, F. Kampert, T. T. Y. Tan and F. E. Hahn, Chem. Commun., 2018, 54, 12887
    DOI: 10.1039/C8CC08440H

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