Mehrfachbindungen zwischen Hauptgruppenelementen und Übergangsmetallen, CXX. Niob‐ und Tantalamid–Komplexe sowie neue Cyclocarbodisilazane

Wolfgang A. Herrmann, Florian Dyckhoff, Eberhardt Herdtweck

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Multiple Bonds Between Main–Group Elements and Transition Metals, CXX1. – Niobium and Tantalum Amide Complexes and New Cyclocarbodisilazanes The new niobium‐ and tantalum complexes 3a and 3b of formula [(CH3)2 are accesible by the reaction of the oxychlorides MOCl3 with the lithium amide (2) in 30 and 19% isolated yield, resp. The new silazanes cyclo‐[(CH3)2Si(CH2)2Si(CH3)2NH]2 (5) and cyclo‐[(CH3)2Si(CH2)2Si‐(CH3)2NH]3 (6) are prepared from (CH3)2ClSiCH2CH2Si–Cl(CH3)2 and NH3. Their structures – ten‐ and fifteen–membered rings – were determined by single–crystal structure analyses.

Original languageGerman
Pages (from-to)2651-2656
Number of pages6
JournalChemische Berichte
Issue number12
StatePublished - Dec 1992
Externally publishedYes

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