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Paper | Regular issue | Vol 38, No. 7, 1994, pp.1573-1580
Published online, 1st January, 1970
DOI: 10.3987/COM-94-6721
A Synthesis of 7-Substituted 1H-Pyrano[4,3-b]quinoline Derivatives

Yutaka Azuma,* Atsuko Sato, and Mieko Morone

*Tohoku Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan

Abstract

The reaction of 4-chloro-3-ethynyl-6-methyl-2H-pyran-2-one (2) with aniline derivatives having a electron-donating group at the 3-position in EtOH gives 7-substituted 1H-pyrano[4,3-b]quinolin-1-one derivatives (3).