Formation of azuleno [4, 5-c] furan

M Sato, K Tanaka, S Ebine, K Takahashi

Index: Sato, Masaru; Tanaka, Katsunori; Ebine, Seiji; Takahashi, Kazuko Journal of the Chemical Society, Chemical Communications, 1983 , # 18 p. 1025 - 1026

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Abstract

Formation of Azu leno [4,5-c] f uran ... Masaru Sato,a Katsunori Tanaka,b Seiji Ebine,*b and Kazuko Takahashi c a Chemical Analysis Center, and b Department of Chemistry, Faculty of Science, Saitama University, Urawa, Saitama 338, Japan c Department of Chemistry, Faculty of Science, Tohoku University, Sendai, Miyagi 980, Japan ... Azuleno[4,5-c]furan (I ) was generated and trapped as its cycloadduct with maleic anhydride, the exo-isomer (6) predominating ...