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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 3334-3341 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions of Methylenecyclopropane, IV. Palladium(0)-catalyzed Codimerization of Methylenecyclopropane with AlkenesTriorganylphosphane-modified palladium(0) compounds catalyze the codimerization of methylenecyclopropane (1) with ethylene, norbornene, dicyclopentadiene or norbornadiene to give substituted methylenecyclopentane derivatives 3 - 7. In all of these reactions the three-membered ring of 1 is opened between C2 and C3. 1-Alkenes, alkenes with an internal double bond and unstrained cycloalkenes as well as alkynes and 1,3-butadiene do not react in this manner.
    Notes: Triorganylphosphan-modifizierte Palladium(0)-Verbindungen katalysieren die Codimerisierung von Methylencyclopropan (1) mit Ethylen, Norbornen, Dicyclopentadien oder Norbornadien unter Öffnung des Dreirings zwischen C2 und C3 zu den substituierten Methylencyclopentan-Derivaten 3 - 7. 1-Alkene, wie auch Alkene mit mittelständiger Doppelbindung oder Cycloalkene, die keine gespannte Doppelbindung enthalten, gehen diese Reaktion nicht ein. Ebensowenig erfolgreich waren Versuche einer Codimerisierung von 1 mit Alkinen oder 1,3-Butadien.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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