• Title/Summary/Keyword: 2,3-dipyrazolquinoxalines

Search Result 1, Processing Time 0.015 seconds

Synthesis of 2-(Pyrazol-1-yl)quinoxalines and 2,3-Di(pyrazol-1-yl)quinoxalines (2-(Pyrazol-1-yl)quinoxaline류 및 2,3-Di(pyrazol-1-yl)quinoxaline류의 합성)

  • Kim, Ho-Sik;Jeong, Won-Young;Choi, Kyung-Ok;Lee, Seong-Uk;Kwag, Sam-Tag;Lee, Man-Kil
    • Journal of the Korean Chemical Society
    • /
    • v.46 no.1
    • /
    • pp.37-45
    • /
    • 2002
  • The reaction of 3,6-dichloro-2-(3,5-dimethylpyrazol-1-yl)quinoxaline(8) or 6-chloro-3-hydrazino-2-(3,5-dimethylpyrazol-1-yl)quinoxaline(9) with substituted anilines, sulfa drugs and heteroacyl chlorides gave 2-(pyrazol-1-yl)quinoxalines(10-12). The reaction of compound 9 with alkyl (ethoxymeth-ylene) cyanoacetates resulted in the intramolecular cyclization to give 2,3-di(pyrazol-1-yl)quinoxalines(13).