Stannyl-substituted Disilenes and a Disilastannirane

Kai Abersfelder (1) , Nguyen Thi-Loan (1) , David Scheschkewitz (1)

1 Department of Chemistry [Imperial College London]

The reaction of disilenide Tip2Si=Si(Tip)Li (1, Tip = 2,4,6-iPr3C6H2) with chlorostannanes R3SnCl quantitatively affords the first stannyl substituted disilenes Tip2Si=Si(Tip)SnR3 (2a: R = Me, 2b: R = Bu, 2c: R = Ph). The Sn-functional derivative Tip2Si=Si(Tip)SntBu2Cl (3) is accessible in good yield from 1 and tBu2SnCl2. Additionally, the first heavy analogue of cyclopropanes containing two endocyclic silicon and one tin atom was prepared from 1 and Me2SnCl2. All new compounds were characterised by multinuclear NMR spectroscopy and the thus deduced structural assignments corroborated by single crystal X-ray diffraction.

Mots clés: Physical Sciences

Kai Abersfelder, Nguyen Thi-Loan, David Scheschkewitz. Stannyl-substituted Disilenes and a Disilastannirane. Journal of Inorganic and General Chemistry / Zeitschrift für anorganische und allgemeine Chemie, 2009, 635 (13-14), pp.2093. ⟨10.1002/zaac.200900234⟩. ⟨hal-00510610⟩