Antisweet Natural Products. IX. Structures of Gymnemic Acids XV-XVIII from Gymnema sylvestre R. BR. V
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概要
- 論文の詳細を見る
Systematic separation of the saponin fraction of the leaves of Gymnema sylvestre has led to the isolation of four new saponins, gymnemic acids XV-XVIII, as antisweet substances. The structures were elucidated by spectral and chemical studies. Gymnemic acids XV-XVIII, are 21-O-2-methylbutyryl-22-O-2-methylcrotonoyl, 16,22-O-bis-2-methylcrotonoyl, 21-O-benzoyl, and 28-O-benzoyl gymnemagenin 3-O-gluculonides, respectively. Gymnemic acids VIII and IX that we had named in the previous paper were renamed gymnemic acids XV and XVI, respectively.
- 公益社団法人日本薬学会の論文
- 1993-10-15
著者
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松浦 耕司
Faculty of Pharmaceutical Sciences, Kyoto University
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吉川 和子
Faculty of Pharmaceutical Sciences, Tokushima-Bunri University
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在原 重信
Faculty of Pharmaceutical Sciences, Tokushima-Bunri University
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在原 重信
Faculty Of Pharmaceutical Sciences Tokushima Bunri University
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近藤 由路
Faculty of Pharmaceutical Sciences, Tokushima Bunri University
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松浦 耕司
Teikoku Seiyaku Co.,
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近藤 由路
Faculty Of Pharmaceutical Sciences Tokushima Bunri University
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吉川 和子
Faculty Of Pharmaceutical Sciences Tokushima Bunri University
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松浦 耕司
Faculty Of Pharmaceutical Sciences Kyoto University
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