发明名称 |
STEROID DERIVATIVE |
摘要 |
To provide a novel antitumor steroid compound which can be synthesized efficiently and stereoselectively by the technique of organic synthetic chemistry. A steroid derivative represented by general formula (I) or a salt thereof, wherein R represents C1-C13 alkyl; A represents hydroxyl or a group which can readily be hydrolyzed into a hydroxyl group; and X and Y represent in combination oxo or C2-C3 alkylenedioxy, or separately X represents hydroxyl, C1-C5 alkoxy or a group which can readily be hydrolyzed into a hydroxyl group, and Y represents hydrogen or C1-C5 alkoxy, provided Y represents hydrogen when X represents hydroxyl or a group which can readily be hydrolyzed into a hydroxyl group, while Y represents C1-C5 alkoxy when X represents C1-C5 alkoxy.
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申请公布号 |
CA2178900(A1) |
申请公布日期 |
1995.06.22 |
申请号 |
CA19942178900 |
申请日期 |
1994.12.14 |
申请人 |
TAISHO PHARMACEUTICAL CO., LTD. |
发明人 |
YOKOO, CHIHIRO;WADA, HISAYA;MITOME, HIDEMICHI;SANO, TATSUHIKO;HATAYAMA, KATSUO;YAMADA, YASUJI |
分类号 |
C07J7/00;C07J9/00;C07J17/00;C07J21/00;(IPC1-7):C07J17/00;A61K31/58;C07J31/00;C07J41/00 |
主分类号 |
C07J7/00 |
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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