发明公开
EP3242879A1 NOVEL PROCESS FOR THE PREPARATION OF DIPEPTIDYL PEPTIDASE-4 (DPP-4) ENZYME INHIBITOR
审中-公开
制备二肽基肽酶-4（DPP-4）酶抑制剂的新方法
- 专利标题： NOVEL PROCESS FOR THE PREPARATION OF DIPEPTIDYL PEPTIDASE-4 (DPP-4) ENZYME INHIBITOR
- 专利标题（中）： 制备二肽基肽酶-4（DPP-4）酶抑制剂的新方法
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申请号： EP15876740.0申请日： 2015-02-20
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公开(公告)号： EP3242879A1公开(公告)日： 2017-11-15
- 发明人: ALLA, Venkat Reddy , ALLA, Raghumitra , MALLEPALLI, Srinivas Reddy , NANDAM, Suresh Babu , GUDA, Madhukar Reddy , ALLURI, Raja Reddy
- 申请人： Lee Pharma Ltd.
- 申请人地址： Sy. No: 257 & 258/1 Door No: 11-6/56, C-block Opp: IDPL Factory Moosapet (Village) Balanagar (Post) Hyderabad 500 037 IN
- 专利权人： Lee Pharma Ltd.
- 当前专利权人： Lee Pharma Ltd.
- 当前专利权人地址： Sy. No: 257 & 258/1 Door No: 11-6/56, C-block Opp: IDPL Factory Moosapet (Village) Balanagar (Post) Hyderabad 500 037 IN
- 代理机构： Hamm & Wittkopp Patentanwälte PartmbB
- 优先权： IN138CH2015 20150108
- 国际公布： WO2016110750 20160714
- 主分类号： C07D487/04
- IPC分类号： C07D487/04 ; C07D487/02 ; A61P3/10
摘要：
The present invention relates to a novel and improved process for the preparation of Sitagliptin of Formula (I) and its pharmaceutically acceptable salts. The present invention also relates to novel intermediates and process for the preparation of intermediates used in the preparation of Sitagliptin.
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