• 제목/요약/키워드: Pyranoquinolinones.

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One-Pot Synthesis of 2H-Pyrans by Indium(III) Chloride-Catalyzed Reactions.Efficient Synthesis of Pyranocoumarins, Pyranophenalenones, and Pyranoquinolinones

  • Lee, Yong-Rok;Kim, Do-Hoon;Shim, Jae-Jin;Kim, Seog K.;Park, Jung-Hag;Cha, Jin-Soon;Lee, Chong-Soon
    • Bulletin of the Korean Chemical Society
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    • 제23권7호
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    • pp.998-1002
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    • 2002
  • An efficient synthesis of 2H-pyrans is achieved by indium (III) chloride-catalyzed reactions of 1,3-dicarbonyl compounds with a variety of $\alpha\beta-unsaturated$, aldehydes in moderate yields. This method has been applied to the synthesis of pyranocoumar ins, pyranophenalenones, and pyranoquinolinone alkaloids.