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  • 1
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Thermally Induced Reactions of Imidazole Derivatives, III. Thermal Rearrangement Akin to the Retrobeazlic Rearrangement of 2,4,4-Triaryl-5-alkylthio-, -5-aralkylthio-, and -5-arylthio-4H-imidazolesThermolysis of the title compounds (1) furnishes, under elimination of the sulfur containing group, the corresponding 2,4,5-triarylimidazoles (2). The sulfur containing group can be recovered as the corresponding dialkyl-and bis(aralkyl)disulfides, respectively, and/or as thioketones and transformation products of the latter. A free radical mechanism is suggested.
    Notes: Die Thermolyse der Titelsubstanzen (1) führt unter Abspaltung der schwefelhaltigen Gruppe zu den entsprechenden 2,4,5-Triarylimidazolen (2). Die schwefelhaltige Gruppe findet sich in Form des entsprechenden Dialkyl- bzw. Bis(aralkyl)disulfids und/oder Thioketons bzw. deren Folgeprodukten wieder. Für die Umwandlungen wird ein radikalischer Mechanismus nahegelegt.
    Type of Medium: Electronic Resource
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