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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1980 (1980), S. 895-907 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Vomicine from StrychnineVomicine (11) has been synthesized from strychnine in two different ways, each comprising seven steps, involving 9 and icajine (16), respectively, as key intermediates. The generation of phenol 9 from 4-diazostrychnine is an intramolecular reaction. The oxo-cyclo tautomerism of 11 and 16 depends upon the pH.
    Notes: Vomicin (11) wurde aus Strychnin auf zwei unterschiedlichen Wegen über 2-Brom-4-nitrostrychnin (7) bzw. Icajin (16) in jeweils 7 Stufen dargestellt. Die intermediäre Verkochung des 4-Diazostrychnins zum Phenol 9 ist eine intramolekulare Reaktion. Die Oxo-Cyclo-Tautomerie der Ringe V, VI in 11 und 16 ist pH-abhängig.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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