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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 2063-2068 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation of Sulfur Nitrogen Boron Compounds; Crystal and Molecular Structure of an Eight-membered S—N—B Ring1,1,5,5-Tetramethyl-3,7-diphenyl-1λ6,5λ6,2,4,6,8,3,7-dithiatetrazadiborocin (4), an eight-membered ring, was synthesized by the reaction of dichlorophenylborane (3) with S,S-dimethyl-N,N′-bis(trimethylsilyl)sulfodiimide (2). The reaction of 3 with N,N′-dimethyl-N,N′-bis(trimethylsilyl)sulfamide (5) yields a polymeric compound 6. The molecular structure of 4 was determined from single crystal X-ray data and refined to an unweighted R-value of 0.079. The compound crystallizes in the orthorhombic space group Pbca. The eight-membered ring exhibits significant deviations from planarity.
    Notes: 1,1,5,5-Tetramethyl-3,7-diphenyl-1λ6, 5λ6,2,4,6,8,3,7-dithiatetrazadiborocin (4), ein achtgliedriger Ring, wurde durch Reaktion von Dichlorphenylboran (3) mit S,S-Dimethyl-N,N′-bis(trimethylsilyl)sulfodiimid (2) dargestellt. Die Umsetzung von 3 mit N,N-Dimethyl-N,N′-bis(trimethylsilyl)sulfamid (5) ergibt ein polymeres Produkt 6. Die Struktur von 4 wurde aus Diffraktometer-Einkristalldaten bestimmt und zu einem ungewichteten R-Wert von 0.079 verfeinert. 4 kristallisiert in der orthorhombischen Raumgruppe Pbca. Der Achtring zeigt erhebliche Abweichungen von der Planarität.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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