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Issue 25, 2011
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Elegant approach to spacer arranged silagermylene and bis(germylene) compounds

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Abstract

Herein we report on the reactions of the stable LSiCl (1) and LGeCl (2) [L = PhC(NtBu)2] with L1Ge, [L1 = CH{(C[double bond, length as m-dash]CH2)(CMe)(2,6-iPr2C6H3N)2}] (3) to yield 1-sila-5-germylene (4) and a 1,5-bis(germylene) (5). The reactions proceed through the 1,4 nucleophilic addition of the M–Cl (M = Si or Ge) to 3 without any modification of the oxidation state although the change of the oxidation state is thermodynamically more favorable. Compounds 4 and 5 were investigated by single crystal X-ray structural analyses, multi-nuclear NMR spectroscopy, and micro-analysis. Treatment of L1AlMe·thf (6) with 1 resulted in the formation of the 1-sila-5-aluminium complex (7). The complex contains a Si(II) and an Al(III) atom in the molecule. All reported reactions proceed without changing the oxidation states at the metal centers.

Graphical abstract: Elegant approach to spacer arranged silagermylene and bis(germylene) compounds

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Article information


Submitted
17 Apr 2011
Accepted
06 May 2011
First published
24 May 2011

Chem. Commun., 2011,47, 7206-7208
Article type
Communication

Elegant approach to spacer arranged silagermylene and bis(germylene) compounds

S. P. Sarish, S. S. Sen, H. W. Roesky, I. Objartel and D. Stalke, Chem. Commun., 2011, 47, 7206
DOI: 10.1039/C1CC12205C

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