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  • 1
    ISSN: 1434-4475
    Keywords: Cycloalkeno[c]pyridines ; Cycloalkeno[c]thiopyrans ; Reactions with malononitrile
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es wird ein neuer Zugang zu Cycloalkeno[c]pyridinen (2) und Cycloalkeno[c]thiopyranen (5) mittels Reaktion von Malononitril mit Enaminen cyclischer β-Ketocarbothionsäureaniliden aufgezeigt. Die Strukturaufklärung der erhaltenen Verbindungen basiert auf massenspektroskopischen Daten. Die Reaktion wird als Folge von Addition, Eliminierung und Cyclisierung diskutiert.
    Notes: Abstract A new route to the cycloalkeno-pyridines2 and cycloalkeno-thiopyrans5 by the reaction of malononitrile with enamines of cyclic β-ketocarbothionic acid anilides is presented. The elucidation of the structure of compounds obtained is based on MS spectral data. The reaction is proposed to be a sequence of addition, elimination and cyclization.
    Type of Medium: Electronic Resource
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