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Reactivity studies of silylene [PhC(NtBu)2](C5Me5)Si – reactions with [M(COD)Cl]2 (M = Rh(I), Ir(I)), S, Se, Te, and BH3

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Abstract

The reactivity of recently introduced N-heterocyclic silylene [PhC(NtBu)2](C5Me5)Si was evaluated. Three different reaction pathways were studied: (1) coordination to a Lewis acid, (2) oxidation by chalcogenides, and (3) coordination to transition metal complexes. The reaction of the silylene with BH3 led to the adduct [PhC(NtBu)2](C5Me5)Si(BH)3. Oxidation with the elemental chalcogens sulphur, selenium, and tellurium resulted in the corresponding silicon(IV)–chalcogenide compounds [PhC(NtBu)2](C5Me5)SiS, [PhC(NtBu)2](C5Me5)SiSe and [PhC(NtBu)2](C5Me5)SiTe. Treatment of the silylene with dimeric group 9 transition metal complexes [Ir(COD)Cl]2 and [Rh(COD)Cl]2 gave square planar coordinated transition metal silylene complexes [{PhC(NtBu)2}(C5Me5)Si–Rh(COD)(Cl)] and [{PhC(NtBu)2}(C5Me5)Si–Ir(COD)(Cl)].

Graphical abstract: Reactivity studies of silylene [PhC(NtBu)2](C5Me5)Si – reactions with [M(COD)Cl]2 (M = Rh(i), Ir(i)), S, Se, Te, and BH3

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Publication details

The article was received on 08 Feb 2017, accepted on 21 Apr 2017 and first published on 10 May 2017


Article type: Paper
DOI: 10.1039/C7DT00483D
Citation: Dalton Trans., 2017, Advance Article
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    Reactivity studies of silylene [PhC(NtBu)2](C5Me5)Si – reactions with [M(COD)Cl]2 (M = Rh(I), Ir(I)), S, Se, Te, and BH3

    S. Kaufmann, S. Schäfer, M. T. Gamer and P. W. Roesky, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT00483D

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