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Paper | Regular issue | Vol 43, No. 11, 1996, pp.2409-2413
Published online, 1st January, 1970
DOI: 10.3987/COM-96-7556
Ring Transformation of Cinnolines with Ynamines

Ken-ichi Iwamoto, Hiroyuki Fukuta, Sumiko Suzuki, Jyunko Maruyama, Etsuo Oishi, Akira Miyashita, and Takeo Higashino

*Schol of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Shizuoka 422-8526, Japan

Abstract

Cinnolines having electron-withdrawing substituents at 4-position reacted with ynamines to give naphthalene derivatives and/or quinoline derivatives through [4+2] cycloaddition followed by elimination of nitrogen or hydrogen cyanide.