Tannins of Hamamalidaceous Plants. III. : Isorugosins A, B and D, New Ellagitannins from Liquidambar formosana
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概要
- 論文の詳細を見る
A new dimeric hydrolzable tannin named isorugosin D (II), and two new monomeric tannins of related structures, isorugosin A (10) and isorugosin B (1), were isolated from the leaf of Liquidambar formosana HANCE (Hamamelidaceae). The orientation of the valoneoyl group at O-4 and O-6 of the glucose core in isorugosins A, B and D was found to be different from that of rugosin A (7), rugosin B (6) and rugosin D (18), and the orientations of this group in the tannins of both type were confirmed on the basis of the two-dimensional nuclear magnetic resonance spectrum (long-range ^1H-^<13>C correlation spectrum) of rugosin A (7).
- 1988-10-25
著者
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波多野 力
Faculty of Pharmaceutical Sciences, Okayama University
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Hatano Tsutomu
エジプト
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奥村 智子
Faculty Of Pharmaceutical Sciences Okayama University
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安原 多恵子
Faculty of Pharmaceutical Sciences, Okayama University
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奥田 拓男
Faculty Of Parmaceutical Sciences University
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安原 多恵子
Faculty Of Pharmaceutical Sciences Okayama University
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貴良 礼子
Faculty of Pharmaceutical Sciences, Okayama University
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貴良 礼子
Faculty Of Pharmaceutical Sciences Okayama University
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