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Issue 7, 2012
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Synthesis and structural characterisation of neutral pentacoordinate silicon(IV) complexes with a tridentate dianionic N,N,S chelate ligand

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Abstract

A series of novel neutral pentacoordinate silicon(IV) complexes with SiClSN2C, SiBrSN2C, SiSN3C, SiSON2C, SiS2N2C, SiSeSN2C and SiTeSN2C skeletons (compounds 1–12) was synthesised, starting from PhSiCl3, PhSiBr3, PhSi(NCO)3, MeSiCl3 or C6F5SiCl3. Compounds 1–12 contain (i) a tridentate dianionic N,N,S chelate ligand (derived from 2-{[(pyridin-2-yl)methyl]amino}benzenethiol), (ii) a phenyl, methyl or pentafluorophenyl group and (iii) a monodentate monoanionic ligand (Cl, Br, NCO, NCS, N3, OS(O)2CF3, OPh, SPh, SePh, TePh). The pentacoordinate silicon(IV) complexes 1–12 were characterised by elemental analyses, NMR spectroscopic studies in the solid state and in solution and crystal structure analyses. These experimental investigations were complemented by computational studies.

Graphical abstract: Synthesis and structural characterisation of neutral pentacoordinate silicon(iv) complexes with a tridentate dianionic N,N,S chelate ligand

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Publication details

The article was received on 08 Jul 2011, accepted on 05 Oct 2011 and first published on 21 Dec 2011


Article type: Paper
DOI: 10.1039/C1DT11306B
Citation: Dalton Trans., 2012,41, 2148-2162
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    Synthesis and structural characterisation of neutral pentacoordinate silicon(IV) complexes with a tridentate dianionic N,N,S chelate ligand

    C. Kobelt, C. Burschka, R. Bertermann, C. Fonseca Guerra, F. M. Bickelhaupt and R. Tacke, Dalton Trans., 2012, 41, 2148
    DOI: 10.1039/C1DT11306B

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