| 发明名称 |
Crystal of erlotinib base and the preparation method thereof |
| 摘要 |
A novel crystal of antitumor drug erlotinib base and its preparation method are provided in the present invention. A preparation method of erlotinib hydrochloride with high-purity is also provided in the present invention. |
| 申请公布号 |
US8653264(B2) |
申请公布日期 |
2014.02.18 |
| 申请号 |
US201113814929 |
申请日期 |
2011.08.12 |
| 申请人 |
XIANG KE;XU MIN;ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD. |
发明人 |
XIANG KE;XU MIN |
| 分类号 |
C07D239/94 |
主分类号 |
C07D239/94 |
| 代理机构 |
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