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  • 1
    ISSN: 0044-2313
    Keywords: Monomeric trilithium-tris(silylamido)silane ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Monomeric Trilithium-tris[tert-butyldimethylsilylamido]phenylsilane, PhSi[NLi(thf)SiMe2CMe3]3 - Synthesis and Crystal StructureLithiated tert-butyldimethylsilylamine reacts with trifluorophenylsilane in a molar ratio 2:1 or 3:1 to give the bis- and tris(silylamino)silanes 1 [(Me3CSiMe2NH)2SiFPh] and 2 [(Me3CSiMe2NH)3SiPh]. The trilithium derivative 3 [Me3CSiMe2NLi(thf)]3SiPh is obtained in the reaction of 2 with n-BuLi in hexane/thf. 3 crystallizes as a monomer forming three planar four-membered (LiNSiN)-rings. The results of the crystal structure of 3 are discussed.
    Notes: Lithiiertes tert-Butyldimethylsilylamin reagiert mit Trifluorphenylsilan im molaren Verhältnis 2:1 bzw. 3:1 zu den Bis- und Tris(silylamino)silanen 1 [(Me3CSiMe2NH)2 · SiFPh] und 2 [(Me3CSiMe2NH)3SiPh]. In der Reaktion von 2 mit n-BuLi in Hexan/THF entsteht das Trilithiumderivat 3 [Me3CSiMe2NLi(THF)]3SiPh. 3 kristallisiert als Monomer und bildet im Kristall drei planare, viergliedrige (LiNSiN)-Ringe. Die Ergebnisse der Kristallstrukturanalyse von 3 werden mitgeteilt.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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