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Issue 13, 2013
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Unprecedented combination of regioselective hydrodefluorination and ligand exchange reaction during the syntheses of tris-cyclometalated iridium(III) complexes

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Abstract

The first reported combination of regioselective hydro-defluorination and a ligand exchange reaction during the syntheses of neutral iridium(III) complexes is presented. Surprisingly, loss of one fluorine atom per ligand combined with a complete ligand exchange reaction on the transition metal were jointly observed during a bridge-splitting and substitution reaction of two different dimeric iridium(III) precursor complexes with two different ancillary ligands. The regioselectivity of defluorination was evidenced in both cases. The reaction time was identified as a factor strongly impacting the kinetics of the thermally induced reaction.

Graphical abstract: Unprecedented combination of regioselective hydrodefluorination and ligand exchange reaction during the syntheses of tris-cyclometalated iridium(iii) complexes

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Publication details

The article was received on 07 Sep 2012, accepted on 13 Dec 2012 and first published on 13 Dec 2012


Article type: Paper
DOI: 10.1039/C2DT32071A
Citation: Dalton Trans., 2013,42, 4479-4486
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    Unprecedented combination of regioselective hydrodefluorination and ligand exchange reaction during the syntheses of tris-cyclometalated iridium(III) complexes

    M. Lepeltier, F. Dumur, J. Marrot, E. Contal, D. Bertin, D. Gigmes and C. R. Mayer, Dalton Trans., 2013, 42, 4479
    DOI: 10.1039/C2DT32071A

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