Jump to main content
Jump to site search

Issue 44, 2010
Previous Article Next Article

Stabilisation of iridium(III) fluoride complexes with NHCs

Author affiliations


The first neutral, [IrClF2(NHC)(COD)] and [IrClF2(CO)2(NHC)] (NHC = IMes, IPr), and cationic, [IrF2py(IMes)(COD)][BF4] and [IrF2L(CO)2(NHC)][BF4] (NHC = IMes, L = PPh2Et, PPh2CCPh, py; NHC = IPr, L = py), NHC iridium(III) fluoride complexes, have been synthesised by the xenon difluoride oxidation of iridium(I) substrates. The stereochemistries of these iridium(III) complexes have been confirmed by multinuclear NMR spectroscopy in solution and no examples of fluoride-trans-NHC arrangements were observed. Throughout, CO was found to be a better co-ligand for the stabilisation of the iridium(III) fluoride complexes than COD. Attempts to generate neutral trifluoroiridium(III) complexes, [IrF3(CO)(NHC)], via the ligand substitution reaction of [IrF3(CO)3] with the free NHCs were unsuccessful.

Graphical abstract: Stabilisation of iridium(iii) fluoride complexes with NHCs

Back to tab navigation

Supplementary files

Publication details

The article was received on 16 Jul 2010, accepted on 03 Sep 2010 and first published on 13 Oct 2010

Article type: Paper
DOI: 10.1039/C0DT00857E
Citation: Dalton Trans., 2010,39, 10781-10789
  •   Request permissions

    Stabilisation of iridium(III) fluoride complexes with NHCs

    J. Fawcett, D. A. J. Harding, E. G. Hope, K. Singh and G. A. Solan, Dalton Trans., 2010, 39, 10781
    DOI: 10.1039/C0DT00857E

Search articles by author