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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1979 (1979), S. 457-460 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis of (Fluorosilyl)hydrazones and Cyclization to 1,2-Diaza-3-sila-5-cyclopentenes(Fluorosilyl)hydrazones 2 - 5 are formed in the reaction of lithiated hydrazones 1 with fluorosilanes. On reaction with butyllithium 2 - 5 cyclize to give the five-membered heterocycles 8 - 11. Substituted compounds 6, 7 are obtained in a competing reaction. - The mass, 1H, 19F, and29Si-NMR spectra of the compounds prepared are reported.
    Notes: (Fluorsilyl)hydrazone 2-5 entstehen aus lithiierten Hydrazonen 1 mit Fluorsilanen. Die Reaktion von 2-5 mit Butyllithium führt unter Cyclisierung zur Bildung der fünfgliedrigen Heterocyclen 8-11. In einer Konkurrenzreaktion werden substituierte Verbindungen 6, 7, gebildet. - Die Massenspektren, 1 H-, 19F- und 29Si-NMR-Spektren der dargestellten Verbindungen werden mitgeteilt.
    Type of Medium: Electronic Resource
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