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Issue 47, 2014
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Pentacoordinate silicon(IV): cationic, anionic and neutral complexes derived from the reaction of NHC→SiCl4 with highly Lewis acidic (C2F5)2SiH2

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Abstract

Addition of NHC→SiCl4 to the highly Lewis acidic bis(pentafluoroethyl)silane ((C2F5)2SiH2) afforded the salt [(NHC)2SiCl2H][(C2F5)2SiCl3] with pentacoordinate silicon in the cation and the anion. The anion represents the first example of a chlorosilicate structurally characterized in the solid state. In this reaction, the long sought pentacoordinate NHC-adduct of silicochloroform was identified as an intermediate and its crystal structure is presented.

Graphical abstract: Pentacoordinate silicon(iv): cationic, anionic and neutral complexes derived from the reaction of NHC→SiCl4 with highly Lewis acidic (C2F5)2SiH2

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Publication details

The article was received on 08 Apr 2014, accepted on 15 Apr 2014 and first published on 15 Apr 2014


Article type: Communication
DOI: 10.1039/C4CC02583K
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Citation: Chem. Commun., 2014,50, 6204-6206

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    Pentacoordinate silicon(IV): cationic, anionic and neutral complexes derived from the reaction of NHC→SiCl4 with highly Lewis acidic (C2F5)2SiH2

    T. Böttcher, S. Steinhauer, B. Neumann, H.-G. Stammler, G.-V. Röschenthaler and B. Hoge, Chem. Commun., 2014, 50, 6204
    DOI: 10.1039/C4CC02583K

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