Isolation of Five New Flavonoids from Melicope triphylla
スポンサーリンク
概要
- 論文の詳細を見る
Five new flavonoids, 5,8-dihydroxy-3,7-dimethoxy-3′,4′-methylenedioxyflavone (1), 7-hydroxy-3,5-dimethoxy-3′,4′-methylenedioxyflavone (2), 7-(2,3-dihydroxy-3-methylbutoxy)-3,5-dimethoxy-3′,4′-methylenedioxyflavone (3), 7-(2,3-dihydroxy-3-methylbutoxy)-3,3′,4′,5-tetramethoxyflavone (4), and 7-(2,3-dihydroxy-3-methylbutoxy)-3,3′,4′,5,8-pentamethoxyflavone (5), were isolated from the leaves of Melicope triphylla. In addition, six known flavonoids were detected: 3,4′,5-trihydroxy-3′,7,8-trimethoxyflavone (6), 5,7-dihydroxy-3-methoxy-3′,4′-methylenedioxyflavone (7), 4′,5,7-trihydroxy-3,3′-dimethoxyflavone (8), 4′,7-dihydroxy-3,3′,5,8-tetramethoxyflavone (9), 4′,7-dihydroxy-3,3′,5-trimethoxyflavone (10), and 4′,5,7-trihydroxy-3,3′,8-trimethoxyflavone (11). The new compound structures were determined by spectroscopic methods. Compounds 1–5 did not exhibit any ichthyotoxic activity against Japanese killifish (medaka in Japanese) (Oryzias latipes var.) at 10 ppm.
著者
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Higa Matsutake
College Of Science University Of The Ryukyus
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Imamura Megumi
College of Science, University of the Ryukyus
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Suzuka Toshimasa
College of Science, University of the Ryukyus
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Ogihara Kazuhito
College Of Science University Of The Ryukyus
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