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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1978 (1978), S. 1666-1669 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Mechanistic Investigations with the Aid of Isotopic Labeling, III1).  -  Redox-Disproportionation of 2,2-Dihydroxyphenalene-1,3(2H)-dioneIt is shown by means of 14C-labeling that redox-disproportionation of 2,2-dihydroxyphenalene 1,3(2H)-dione (2) leads to elimination of C-2 as CO2. Formation of the ring-contracted product acenaphthenequinone (3) and the reductone 4 is suggested to proceed as a heterolytic fragmentation reaction with subsequent oxidation.
    Notes: Mit Hilfe von 14C-Markierung wird gezeigt, daß bei der Redox-Disproportionierung des 2,2-Di-hydroxyphenalen-1,3(2H)-dions (2) das C-2 als CO2 abgespalten wird. Die Bildung von Acenaphthenchinon (3) als Ringverengungsprodukt neben dem Redukton 4 ist als intramolekulare heterolytische Fragmentierung mit nachfolgender Oxidation interpretierbar.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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