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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 724 (1969), S. 66-70 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Photochemical and Thermal 1,4-Cycloaddition of Enamides to 1,2- Dicarbonyl CompoundsThe enamides 2 and 6 can be added to benzil and o-chinones photochemically and thermally to give the 1,4-dioxen derivatives 3 and 7. The thermal addition follows a two-step mechanism, as is shown by the formation of the same 1,4-dioxen compound 7b from the addition of cis- and trans-enamide to 5.
    Notes: Die Enamide 2 und 6 addieren sich photochemisch wie thermisch an Benzil und o-Chinone zu den 1.4-Dioxen-Derivaten 3 und 7. Der Verlauf der thermischen Addition ist zweistufig, wie bei der Reaktion von cis- und trans-Enamid (6b bzw. 2b) mit 5 gezeigt wird, die zu demselben 1.4-Dioxen-Derivat 7b führt.
    Type of Medium: Electronic Resource
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