Reaction of Pyridinium and Quinolinium N-Imines with Ketenethioacetals

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Other Title
  • PyridiniumおよびQuinolinium N-Imine類とKetenethioacetalとの反応
  • Pyridinium オヨビ Quinolinium N Imineルイ ト

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Description

Reaction of 1-aminopyridinium and 1-aminoquinolinium mesitylene-sulfonates with ketenethioacetals [bis(methylthio)methylenemalonate (2a), 2, 2-bis(methylthio)-1-nitroethylene (8), and 2, 2-bis(methylthio)-2-sulfonylethylenes (10a, b)] gave N-substituted (1-pyridinio)amides (3a-d), (1-quinolinio)amide (5), pyrazolo[1, 5-α]pyridines (9a-f, 11a-g) and pyrazolo[1, 5-α]quinolines (12a-d) in good yield. 1-Aminoquinolinium mesitylene-sulfonate also reacted with 1, 2-dicyano-2-methylthio-1-(phenylsulfonyl)-ethylene (13) to give 2, 3-dicyanopyrazolo[1, 5-α]quinoline (14) in good yield.

Journal

  • YAKUGAKU ZASSHI

    YAKUGAKU ZASSHI 104 (5), 440-448, 1984

    The Pharmaceutical Society of Japan

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