• Title/Summary/Keyword: Bis-indolylketones

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Indium(III) Chloride Mediated Michael Addition of Indoles to Ketene S,S-Acetals: Synthesis of Bis- and Tris-indolylketones

  • Singh, Thokchom Prasanta;Khan, Ruhima;Noh, Young Ri;Lee, Sang-Gyeong;Singh, Okram Mukherjee
    • Bulletin of the Korean Chemical Society
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    • v.35 no.10
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    • pp.2950-2954
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    • 2014
  • A series of bis and tris-indolylketones and meridianin alkaloids are prepared by one pot Michael reaction of indole and ketene S,S-acetals under solvent-free condition using mild Lewis acid $InCl_3$.