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  • 1
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 11 (1978), S. 453-456 
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The existence of radical pairs during the photolysis and the thermolysis of substituted benzenediazonium tetrafluoroborates and hydroquinone in acetonitrile is shown by means of CIDNP. The reaction is assumed to occur via a one-electron-step to form first a radical pair consisting of phenyldiazene and p-benzosemiquinone. This radical pair is able to lose nitrogen either by photolysis or thermolysis and can lead either to a disproportionation or to various recombinations.
    Notes: Mit Hilfe des CIDNP-Effekts wird die Existenz von Radikalpaaren bei der Photolyse und Thermolyse von substituierten Phenyldiazoniumtetrafluoroboraten und Hydrochinon in Azetonitril aufgezeigt. Die Reaktion wird als Einelektronenübergang unter Ausbildung von Phenyldiazen und p-Benzosemichinon formuliert. Dieses Radikalpaar verliert, entweder durch Photolyse oder Thermolyse, Stickstoff und kann eine Disproportionierung oder verschiedene Rekombinationen eingehen.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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