发明名称 |
NOVEL DITERPENES AND PRODUCTION THEREOF |
摘要 |
NEW MATERIAL:A diterpene shown by formula I, formula II or formula III. USE:An antitumor agent. PREPARATION:Seed of Alpinia galanga sold on the market is extracted with methanol, an extract with methanol is incorporated with water and shaken with n-hexane. Then a fraction soluble in n-hexane is purified by chromatography to give two diterpenes having novel skeleton (galanal A and B) shown by formula I and formula II and a novel labdan type diterpene shown by formula III.
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申请公布号 |
JPS63162644(A) |
申请公布日期 |
1988.07.06 |
申请号 |
JP19860309877 |
申请日期 |
1986.12.26 |
申请人 |
EISAI CO LTD |
发明人 |
ITOKAWA HIDEJI;MORITA HIROSHI |
分类号 |
C07C47/46;A61K31/11;A61P35/00;C07C45/00;C07C45/78;C07C67/00 |
主分类号 |
C07C47/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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