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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1986 (1986), S. 1910-1913 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Rearrangement of 2-Allyl-5(2H)-oxazolones into Tetrahydro-3H-furo[3,4-b]pyrrole Derivatives Catalyzed by Lewis AcidsBy Lewis acid catalysis the 2-allyl-5(2H)-oxazolones 1 and 4 rearrange to 6-oxo-3a,4,6,6a-tetrahydro-3H-furo[3,4-b]pyrroles 3 and 5, respectively. The structure of these compounds has been established from their spectroscopic data and by hydrogenation of 5 to the lactone 6. A mechanism for this rearrangement is proposed.
    Notes: Unter Katalyse von Lewis-Säuren lagern sich die 2-Allyl-5(2H)-oxazolone 1 und 4 zu den 6-Oxo-3a,4,6,6,6a-tetrahydro-3H-furo[3,4-b]pyrrolen 3 bzw. 5 um. Die Konstitution dieser Verbindungen wird durch die spektroskopischen Daten und die Hydrogenolyse von 5 zum Lacton 6 bewiesen. Ein Mechanismus für die Umlagerung wird postuliert.
    Type of Medium: Electronic Resource
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