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  • 1
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Diels-Alder Reactions of o-Benzoquinones with Fulveneso-Benzoquinone (1a) and alkyl-substituted o-benzoquinones 1b-d react with fulvenes 2a-d in a stereoselective and regiospecific cycloaddition to give endo-dicarbonyl compounds 3a-o and 4a, b. Photodecarbonylation and dehydrogenation of these adducts yields benzofulvenes 6, which could be synthesized from indanones 8 by an independent route.
    Notes: o-Benzochinon (1a) und alkylsubstituierte o-Benzochinone 1b-d reagieren mit Fulvenen 2a-d in einer stereoselektiv und regiospezifisch verlaufenden Cycloaddition unter Bildung von endo-Dicarbonylverbindungen 3a-o und 4a, b. Aus diesen sind durch Photodecarbonylierung und Dehydrierung Benzofulvene 6 zugänglich, die auch auf unabhängigem Wege aus Indanonen 8 dargestellt wurden.
    Additional Material: 12 Tab.
    Type of Medium: Electronic Resource
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