Competitive Molecular Rearrangements in Hexacoordinate Cyano-Silicon Dichelates
Organometallics2007Vol. 26(10), pp. 2652–2658
Citations Over TimeTop 14% of 2007 papers
I. D. Kalikhman, B. Gostevskii, E. Kertsnus, Mark Botoshansky, Claire A. Tessier, Wiley J. Youngs, S. Deuerlein, Dietmar Stalke, Daniel Kost
Abstract
Pentacoordinate siliconium chloride or neutral hexacoordinate silicon complexes with imino-nitrogen donor groups react with cyanotrimethylsilane in two competing reactions, leading either to addition of the cyano group to the imino carbon or to hexacoordinate cyano-silicon complexes. The latter may further transform to a rearranged tricyclic pentacoordinate complex. The common driving force for these reactions seems to be the conversion of one of the two initial N→Si dative bonds, present in the starting complexes, to a shorter formal covalent bond.
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