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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 117 (1984), S. 1583-1590 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: (Disilylamino)phosphanes (Rf)2P - N(SiMe3)2 - Precursors for PN3S2 RingsThe reactions of the (disilylamino)phosphanes (Rf)2P - N(SiMe3)2 (Rf = CF3, C2F5) with S3N2Cl2 lead to new cyclophosphadithiatriazenes of composition (Rf)2PN3S2 (1a, b) with elimination of Me3SiCl and S8. By-products are (Rf)2P(Cl) = NSiMe3 (2a, b). Reaction of 1a, b with norbornadiene yields 1:1 adducts 3a, b. The X-ray structure analysis of 3a (Rf = CF3) is reported. When 1a is allowed to stand for several days a crystalline compound of composition [(CF3)2PN2S]2 (4) is formed. The X-ray structure analysis shows that 4 contains an eight-membered ring with 1,3-P(CF3)2 groups.
    Notes: Aus den (Disilylamino)phosphanen (Rf)2P - N(SiMe3)2 (Rf = CF3, C2F5) und S3N2Cl2 werden unter Abspaltung von Me3SiCl und S8 neue Cyclophosphadithiatriazene der Zusammensetzung (Rf)2PN3S2 (1a, b) erhalten. Als Nebenprodukte treten Phosphanimide (Rf)2P(Cl) = NSiMe3 (2a, b) auf. 1a, b bilden mit Norbornadien 1:1-Addukte 3a, b. Die Röntgenstrukturanalyse von 3a (Rf = CF3) wird mitgeteilt. Aus 1a bildet sich nach mehrtägigem Stehenlassen eine kristalline Verbindung [(CF3)2PN2S]2 (4), deren Röntgenstrukturbestimmung einen achtgliedrigen Ring mit 1,3-P(CF3)2-Gruppen zeigt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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