发明授权
- 专利标题: Processes for the preparation of clopidogrel hydrogen sulfate polymorphic form I
- 专利标题(中): 氯吡格雷硫酸氢盐多形态I的制备方法
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申请号: US11568075申请日: 2005-04-19
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公开(公告)号: US07999106B2公开(公告)日: 2011-08-16
- 发明人: Haifang Mao , Hongguang Qian , Chen Chen
- 申请人: Haifang Mao , Hongguang Qian , Chen Chen
- 申请人地址: SI Novo Mesto
- 专利权人: KRKA, Tovarna Zdravil, D.D., Novo Mesto
- 当前专利权人: KRKA, Tovarna Zdravil, D.D., Novo Mesto
- 当前专利权人地址: SI Novo Mesto
- 代理机构: Swanson & Bratschun, L.L.C.
- 优先权: CN200410009028 20040419; SI20040122 20040421
- 国际申请: PCT/EP2005/004160 WO 20050419
- 国际公布: WO2005/100364 WO 20051027
- 主分类号: C07D471/02
- IPC分类号: C07D471/02
摘要:
Processes for the preparation of clopidogrel hydrogen sulfate of polymorphic form I are described which include use of specific solvents and process measures to avoid formation of undesired by-products.
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