发明公开
EP2773618A1 AN IMPROVED PROCESS FOR THE PREPARATION OF ETORICOXIB AND POLYMORPHS THEREOF
审中-公开
VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON ETORICOXIB UND POLYMORPHEN DAVON
- 专利标题： AN IMPROVED PROCESS FOR THE PREPARATION OF ETORICOXIB AND POLYMORPHS THEREOF
- 专利标题（中）： VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON ETORICOXIB UND POLYMORPHEN DAVON
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申请号： EP12839179.4申请日： 2012-11-02
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公开(公告)号： EP2773618A1公开(公告)日： 2014-09-10
- 发明人: DWIVEDI, Shriprakash Dhar , PATEL, Vipul Kantibhai , PATEL, Mahesh Shankarbhai , SHAH, Niraj Shyamlal , PRASAD, Ashok , JAIN, Kuldeep Natwarlal
- 申请人： Cadila Healthcare Limited
- 申请人地址： Zydus Tower Satellite Cross Roads Ahmedabad 380 015, Gujarat IN
- 专利权人： Cadila Healthcare Limited
- 当前专利权人： Cadila Healthcare Limited
- 当前专利权人地址： Zydus Tower Satellite Cross Roads Ahmedabad 380 015, Gujarat IN
- 代理机构： Srinivasan, Ravi Chandran
- 优先权： INMM31012011 20111103
- 国际公布： WO2013105106 20130718
- 主分类号： C07D213/61
- IPC分类号： C07D213/61
摘要：
The invention relates to an improved process for the preparation of etoricoxib and polymorphs thereof. In particular, the, invention relates to a process for the preparation of stable crystalline Form-I of etoricoxib. Further, the invention also relates to a process for the preparation of amorphous form of etoricoxib. The invention also relates to pharmaceutical compositions that include the stable crystalline Form-I of etoricoxib.
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