Issue 1, 2016
From the journal:

Dalton Transactions

NHC carbene supported half-sandwich hydridosilyl complexes of ruthenium: the impact of supporting ligands on Si⋯H interligand interactions†

Van Hung Mai,a   Lyudmila G. Kuzmina,b   Andrei V. Churakov,b   Ilia Korobkov,c   Judith A. K. Howardd  and  Georgii I. Nikonov*a  

* Corresponding authors

a Department of Chemistry, Brock University, Niagara Region, 1812 Sir Isaac Brock Way, ON L2S 3A1, Canada
E-mail: gnikonov@brocku.ca
Tel: +1 905 688 5550 ext 3350

b N. S. Kurnakov Institute of General and Inorganic Chemistry, 31 Leninskii prospect, Moscow, Russia

c X-Ray Core Facility, Faculty of Science, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario, Canada K1N 6N5

d Department of Chemistry, University of Durham, South Road, Durham, DH1 3LE, UK

Abstract

Reaction of complex [CpRu(pyr)3][PF6] (3) with the NHC carbene IPr (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) results in the NHC complex [Cp(IPr)Ru(pyr)2][PF6] (4), which was studied by NMR specroscopy and X-ray diffraction analysis. Reaction of [Cp(IPr)Ru(pyr)2][PF6] (4) with LiAlH4 leads to the trihydride Cp(IPr)RuH3 (5) characterised by spectroscopic methods. Heating compound 5 with hydrosilanes gives the dihydrido silyl derivatives Cp(IPr)RuH2(SiR3) (6). Systematic X-ray diffraction studies suggest that complexes 6 have stronger interligand Si⋯H interactions than the isolobal phosphine complexes Cp(Pri3P)RuH2(SiR3).

Graphical abstract: NHC carbene supported half-sandwich hydridosilyl complexes of ruthenium: the impact of supporting ligands on Si⋯H interligand interactions

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Article information

DOI
https://doi.org/10.1039/C5DT04067A
Article type
Paper
Submitted
16 Oct 2015
Accepted
13 Nov 2015
First published
17 Nov 2015

Dalton Trans., 2016,45, 208-215

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NHC carbene supported half-sandwich hydridosilyl complexes of ruthenium: the impact of supporting ligands on Si⋯H interligand interactions

V. H. Mai, L. G. Kuzmina, A. V. Churakov, I. Korobkov, J. A. K. Howard and G. I. Nikonov, Dalton Trans., 2016, 45, 208 DOI: 10.1039/C5DT04067A

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