• Title/Summary/Keyword: 1,2-dimethyl-3-ethoxyca-rbonyl-pyridino(3,3f)indole-4,9-dione

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Synthesis of 1N-alkyl-2-methyl-3-ethoxycarbonyl-pyridino(2,3f)indole-4,9-dione Derivatives (1N-알킬-2-메틸-3-에톡시카르보닐-피리디노(2,3f)인돌-4,9-디온 유도체 합성)

  • Suh, Myung-Eun;Park, Hee-Kyung
    • YAKHAK HOEJI
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    • v.40 no.1
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    • pp.19-24
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    • 1996

  • The 6,7-dichloroquinolone-5,8-dione(I) was reacted with ethyl acetoacetate in the presence of sodium ethoxide to yield 6-(${\alpha}$-acetyl-${\alpha$-ethoxycarbonyl-methyl)-7-chloro-quin oline-5,8-dione(II). When this compound II was reacted with some alkylamine (methylamine, ethylamine, propylamine, isopropylamine, cyclopropylamine, methoxyethylamine, ethanolamine, benzylamine, furfurylamine), 1N-alkyl-2-methyl-3-ethoxycarbonyl-pyridino(2,3f)-indole-4,9-dione(IIIa-i) were obtained via intramolecular cyclization.

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