发明名称 |
A LUBIPROSTONE CRYSTAL, ITS PREPARATION PROCESS AND ITS USE |
摘要 |
A lubiprostone crystal, its preparation process, its pharmaceutical composition or kit, and its use for the preparation of a pharmaceutical composition for treating gastroenteropathy, especial, constipation. The characteristic peaks of 2¸ reflection angle in X-ray powder diffraction spectra of the crystal contain 14.6±0.2°, 17.0+0.2° and 19.6±0.2°. The crystal has the advantages of high purity, stable property, and convenient storage and usage compared with amorphous lubisprostone. |
申请公布号 |
EP2275419(A4) |
申请公布日期 |
2016.03.30 |
申请号 |
EP20080748577 |
申请日期 |
2008.05.15 |
申请人 |
SHANGHAI TECHWELL BIOPHARMACEUTICAL CO., LTD. |
发明人 |
TANG, ZHIJUN;ZHUO, ZHONGHAO;ZHENG, YUNMAN;HE, BINGMING;YANG, HUICHUN;ZHENG, JUSHANG |
分类号 |
C07D311/94;A61K31/5585;A61P1/10;C07C405/00 |
主分类号 |
C07D311/94 |
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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