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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 109 (1976), S. 3804-3810 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Rearrangements on the Demercuration with Metal HydridesThe products of oxymercuration of homobarrelene (3) partly form rearranged products with the structure of bicyclo[3.2.1]octa-2,6-diene on the demercuration with metal hydrides such as sodium borohydride, lithium aluminium hydride, the temperature and the solvent. A radical mechanism with repeated homoallyl-rearrangement is proposed. A similar rearrangement, however, does not take place in the case of analogous compounds derived from bicyclo[2.2.2]octadienes.
    Notes: Die Oxymercurierungsprodukte des Homobarrelens (3) liefern bei der Demercurierung mit Metallhydriden, wie Natriumborhydrid, Lithiumaluminiumhydrid und Tributylzinnhydrid, z,T. umgelagerte Verbindungen mit Bicyclo[3.2.1]octa-2,6-dien-Gerüst. Der Grad der Umlagerung hängt ab von der Art des Metallhydrids, der Temperatur und dem Lösungsmittel. Ein Radikalmechanismus mit mehrmaliger Homoallylumlagerung wird vorgeschlagen. Bei den analogen Verbindungen des Bicyclo[2.2.2]octadiens findet keine derartige Umlagerung statt.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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