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Sodium and potassium 3-sila-beta-diketiminates show new coordination modes
James D Farwell1, Peter B Hitchcock, Michael F Lappert
1Chemistry Laboratory, University of Sussex, Brighton, UK BN1 9QJ.
Chemical Communications (Cambridge, England)
|July 18, 2002
Abstract:
The reaction between the lithium 3-sila-beta-diketiminate (1) and the appropriate MOBut yielded the crystalline sodium (2) or potassium (3) 3-sila-beta-diketiminate in high yield; X-ray crystal data and NMR spectra show new coordination modes for the [N(R)C(Ar)Si(R)C(Ar)N(R)]- ligand (R = SiMe3, Ar = C6H3Me(2)-2,6).