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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 111 (1978), S. 751-758 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A New Method for the Preparation of N-CyanoiminophosphoranesThe N-Cyanoiminotriorganylphosphoranes RR′2P = N—CN (2a-d, R, R′ = CH3, Ph) are obtained in high yields by the reaction of cyanogen chloride with the silylated iminophosphoranes 1a-d accompanied by elimination of chlorosilane. New alkylenebis(N-cyanoiminophosphoranes) of the type Ph2P( = N—CN)—[CH2]n—PPh2( = N—CN) (4a-c, n = 2-4) are obtained by cyanolysis of the corresponding bis(silylimides) 3a-c. The intermediate asymmetrical bis(iminophosphorane) 5 was isolated in the case of 3a.
    Notes: Die N-Cyaniminotriorganylphosphorane RR′2P = N—CN (2a-d, R, R′ = CH3, Ph) können in guter Ausbeute durch Einwirkung von Chlorcyan auf die silylierten Iminophosphorane 1a-d unter Chlorsilan-Abspaltung erhalten werden. Ebenfalls durch Cyanolyse der entsprechenden Bis(silylimide) 3a-c gelingt die Synthese neuartiger Alkylenbis(N-cyaniminophosphorane) des Typs Ph2P( = N—CN)—[CH2]n—PPh2( = N—CN) (4a-c, n = 2-4) Als Zwischenprodukt dieser Umsetzung wurde im Falle von 3a das unsymmetrisch substituierte Bis(iminophosphoran) 5 isoliert.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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