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Synthesis 1989; 1989(8): 628-629
DOI: 10.1055/s-1989-27340
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A Convenient Synthesis of Benzo[f]indole-4,9-diones

Kazuhiro Maruyama* , Atsuhiro Osuka, Katsuhiko Nakagawa, Toshikazu Nabeshima, Kenzo Tabuchi
  • *Department of Chemistry, Faculty of Science, Kyoto University, Kyoto 606, Japan
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Publication Date:
17 September 2002 (online)

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Thermal condensation of 2-acetonyl-3-alkoxy-1,4-naphthoquinones with primary amines gave 1-alkyl-2-methylbenzo[f]indole-4,9-diones in high yields.