| 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.
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| 申请公布号 |
US8481728(B2) |
申请公布日期 |
2013.07.09 |
| 申请号 |
US201113027859 |
申请日期 |
2011.02.15 |
| 申请人 |
HU TSUNG-CHENG;HUANG HUNG-TSUNG;SCINOPHARM TAIWAN, LTD. |
发明人 |
HU TSUNG-CHENG;HUANG HUNG-TSUNG |
| 分类号 |
C07D473/00;C07C47/00;C07D307/93 |
主分类号 |
C07D473/00 |
| 代理机构 |
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代理人 |
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