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Issue 9, 2010
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Synthesis of molecular lead–pnictogen compounds including [Pb4(SbSiiPr3)6], the first structurally characterised compound with a lead–antimony bond

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Abstract

The first structurally characterised lead(II) antimony compound with a chemical bond between lead and antimony, [Pb4(SbSiiPr3)6] (3), was obtained by the reaction of iPr3SiSb-(SiMe3)2 with PbCl2 in Et2O at 0 °C. The Pb4Sb6 cage structure can be described as a Pb4Sb4 heterocube where two SbSiiPr3 edges are replaced by (SbSiiPr3)2. The average Pb–Sb bond length is 297.7 pm. The heterocubane compounds [PbESi-tBu2Ph]4 (E = P, As) were obtained from the reactions of Pb{N(SiMe3)2}2 with tBu2PhSiEH2.

Graphical abstract: Synthesis of molecular lead–pnictogen compounds including [Pb4(SbSiiPr3)6], the first structurally characterised compound with a lead–antimony bond

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Publication details

The article was received on 14 Oct 2009, accepted on 22 Dec 2009 and first published on 22 Jan 2010


Article type: Communication
DOI: 10.1039/B921473A
Chem. Commun., 2010,46, 1538-1540

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    Synthesis of molecular lead–pnictogen compounds including [Pb4(SbSiiPr3)6], the first structurally characterised compound with a lead–antimony bond

    S. Traut and C. von Hänisch, Chem. Commun., 2010, 46, 1538
    DOI: 10.1039/B921473A

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