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Issue 22, 1998
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Polycyclic N-heterocyclic compounds. Part 52.1 One-step syntheses of imidazo[1,5-a]pyridines, imidazo[1,5-a]quinolines and imidazo[5,1-a]isoquinolines by Vilsmeier reactions of pyridine-2-carbonitriles, quinoline-2-carbonitriles and isoquinoline-1-carbonitriles

Abstract

The versatile, one-step synthesis of imidazo[1,5-a]pyridines by the reaction of pyridine-2-carbonitriles with DMF under Vilsmeier conditions is described. This reaction was applied to the syntheses of imidazo[1,5-a]quinolines from quinoline-2-carbonitriles, and of imidazo[5,1-a]isoquinolines from isoquinoline-1-carbonitriles.

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Article type: Paper
DOI: 10.1039/A804340J
Citation: J. Chem. Soc., Perkin Trans. 1, 1998,0, 3851-3856
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    Polycyclic N-heterocyclic compounds. Part 52.1 One-step syntheses of imidazo[1,5-a]pyridines, imidazo[1,5-a]quinolines and imidazo[5,1-a]isoquinolines by Vilsmeier reactions of pyridine-2-carbonitriles, quinoline-2-carbonitriles and isoquinoline-1-carbonitriles

    K. Sasaki, A. Tsurumori and T. Hirota, J. Chem. Soc., Perkin Trans. 1, 1998, 0, 3851
    DOI: 10.1039/A804340J

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