发明公开
- 专利标题: PHOSPHATE-MEDIATED CYCLIZATION
- 专利标题(中): 磷酸介导的环化
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申请号: EP99915281.2申请日: 1999-04-05
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公开(公告)号: EP1070041A1公开(公告)日: 2001-01-24
- 发明人: TILLYER, Richard, D. , TSCHAEN, David, M. , SONG, Zhiguo , ZHAO, Mangzu
- 申请人: Merck & Co., Inc. (a New Jersey corp.)
- 申请人地址: 126 East Lincoln Avenue Rahway, N.J. 07065 US
- 专利权人: Merck & Co., Inc. (a New Jersey corp.)
- 当前专利权人: Merck & Co., Inc. (a New Jersey corp.)
- 当前专利权人地址: 126 East Lincoln Avenue Rahway, N.J. 07065 US
- 代理机构: Hiscock, Ian James
- 优先权: US81250P 19980409; GB9810175 19980513
- 国际公布: WO9952851 19991021
- 主分类号: C07C63/36
- IPC分类号: C07C63/36 ; C07C69/74 ; C07C69/76 ; C07C233/58 ; C07D221/02
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).
公开/授权文献
- EP1070041B1 PHOSPHATE-MEDIATED CYCLIZATION 公开/授权日:2003-07-02
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