Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 695, Issue 3, Pages 398-408Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2009.10.034
Keywords
Carbene homologues; Metallacycles; N-heterocyles; Si-ligands
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The synthesis of two N-aryl substituted 2-silaimidazolidenes 9a, b by metal-reduction of the appropriate silicon(IV) heterocycles is reported. Structural as well as spectroscopic data obtained for the N-aryl substituted N-heterocyclic silylenes (NHSi) are very close to those obtained previously for their N-alkyl substituted counterparts. NHSis 9a,b are used as starting materials for the synthesis of a series of dichalcogenadisiletanes 19-24 and for of a mono silylene tungsten complex 29. The reactivity studies revealed only marginally differences between the N-aryl substituted NHSis 9a,b and previously described N-alkyl substituted silylenes. (C) 2009 Elsevier B. V. All rights reserved.
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