发明名称 |
PROCESS FOR PREPARING ENTECAVIR AND ITS INTERMEDIATES |
摘要 |
A process of making entecavir comprising converting a compound of formula (M5) to entecavir, wherein the two PGs on the formula (M5) are taken together to form an optionally substituted six- or seven-member cyclic ring. |
申请公布号 |
EP2536724(A4) |
申请公布日期 |
2013.07.10 |
申请号 |
EP20110744983 |
申请日期 |
2011.02.16 |
申请人 |
SCINOPHARM TAIWAN, LTD. |
发明人 |
HU, TSUNG-CHENG;HUANG, HUNG-TSUNG |
分类号 |
C07D473/18;C07C35/06;C07C69/03;C07D307/20;C07D307/33 |
主分类号 |
C07D473/18 |
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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