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公开(公告)号:EP1070041A1
公开(公告)日:2001-01-24
申请号:EP99915281.2
申请日:1999-04-05
IPC分类号: C07C63/36 , C07C69/74 , C07C69/76 , C07C233/58 , C07D221/02
CPC分类号: C07D405/04 , C07C231/18 , C07D213/55 , C07D405/06 , C07D413/04 , C07C233/57
摘要: This invention relates to a cyclization process useful in the preparation of a key intermediate in the preparation of an endothelin antagonist of formula (I).
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公开(公告)号:EP0873334A1
公开(公告)日:1998-10-28
申请号:EP96944270.0
申请日:1996-12-09
IPC分类号: C07D317
CPC分类号: C07D317/60
摘要: The instant invention relates to a process for the stereoselective synthesis of a compound of formula (I).
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公开(公告)号:EP1070041B1
公开(公告)日:2003-07-02
申请号:EP99915281.2
申请日:1999-04-05
IPC分类号: C07C63/36 , C07C69/74 , C07C69/76 , C07C233/58 , C07D221/02
CPC分类号: C07D405/04 , C07C231/18 , C07D213/55 , C07D405/06 , C07D413/04 , C07C233/57
摘要: This invention relates to a cyclization process useful in the preparation of a key intermediate in the preparation of an endothelin antagonist of formula (I).
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