发明公开
EP2181986A1 Process for the preparation of a precursor of montelukast
有权
Verfahren zur Herstellung einesVorläufersvon Montelukast
- 专利标题: Process for the preparation of a precursor of montelukast
- 专利标题(中): Verfahren zur Herstellung einesVorläufersvon Montelukast
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申请号: EP10075051.2申请日: 2005-04-14
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公开(公告)号: EP2181986A1公开(公告)日: 2010-05-05
- 发明人: Overeem, Arjanne , Gieling, Reinerus Gerardus , Zhu, Jie , Thijs, Lambertus
- 申请人: Synthon B.V.
- 申请人地址: Microweg 22 6545 CM Nijmegen NL
- 专利权人: Synthon B.V.
- 当前专利权人: Synthon B.V.
- 当前专利权人地址: Microweg 22 6545 CM Nijmegen NL
- 代理机构: Prins, Hendrik Willem
- 优先权: US566603P 20040430; US584675P 20040702; US81695 20050317
- 主分类号: C07D215/18
- IPC分类号: C07D215/18 ; C07C67/00 ; C07C309/66
摘要:
The present invention relates to a process of making a compound of formula (5)
wherein R is a C1-C4 alkyl group and L is a leaving group.
wherein R is a C1-C4 alkyl group and L is a leaving group.
公开/授权文献
- EP2181986B1 Process for the preparation of a precursor of montelukast 公开/授权日:2011-10-19
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