Stannyl-substituted Disilenes and a Disilastannirane

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 yiel...

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Published inZAAC - Journal of Inorganic and General Chemistry Vol. 635; no. 13-14; pp. 2093 - 2098
Main Authors Abersfelder, Kai, Nguyen, Thi-loan, Scheschkewitz, David
Format Book Review Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.11.2009
WILEY‐VCH Verlag
Wiley-VCH Verlag
Subjects
Group 14 elements
Metallacycles
Multiple bonds
Silicon
Stannanes
Physical Sciences
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Summary: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.
Bibliography:ark:/67375/WNG-J3NM5JM1-X
Dedicated to Professor Michael Veith on the Occasion of His 65th Birthday
ArticleID:ZAAC200900234
istex:7A868A075A08BF5210912983B18E205426ACA7D0
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200900234