75(PB2-5) パラオ産海綿Asteropus sarasinosumの産生するノルトリテルペンオリゴ配糖体sarasinoside類の化学構造(ポスター発表の部)
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概要
- 論文の詳細を見る
In search of new bioactive substances from marine organisms, we have investigated the chemical constituents of the Palauan marine sponge Asteropus sarasinosum. From the n-BuOH soluble portion of the MeOH extract of the marine sponge, nine new lanostane-type nortriterpene-oligosides named sarasinoside A_1 (5), A_2 (6), A_3 (7), sarasinoside B_1 (8), B_2 (9), B_3 (10), and sarasinoside C_1 (11), C_2 (12), C_3 (13) were isolated. Based on the chemical and physicochemical evidence, including the X-ray analysis of the aglycone, their absolute stereostructures have been determined. These ichthyotoxic oligosides inhibit development of the fertilized eggs of the starfish Asterina pectinifera.
- 天然有機化合物討論会の論文
- 1987-07-25
著者
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北川 勲
阪大薬
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小林 資正
阪大薬
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Kobayashi M
Fujisawa Pharmaceutical Co. Ltd. :(peresent Address)fujisawa Research Insitute Of America Inc. North
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岡本 吉弘
Faculty Of Pharmaceutical Sciences Osaka University
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浜本 芳博
サントリー生医研
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吉川 雅之
阪大薬
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Kobayashi M
Faculty Of Pharmaceutical Sciences Osaka University
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浜本 芳博
Suntory Institute for Biomedical Research
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岡本 吉弘
阪大薬
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