发明授权
- 专利标题: 3-fluorosulfonyloxyceph-3-em compounds
- 专利标题(中): 3-FLUOROSULFONYLOXYCEPH-3-EM化合物
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申请号: US603872申请日: 1990-10-31
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公开(公告)号: US5245027A公开(公告)日: 1993-09-14
- 发明人: Stephen R. Baker , Chester Sapino, Jr. , Gregory P. Roth
- 申请人: Stephen R. Baker , Chester Sapino, Jr. , Gregory P. Roth
- 申请人地址: NY New York
- 专利权人: Bristol-Myers Squibb Company
- 当前专利权人: Bristol-Myers Squibb Company
- 当前专利权人地址: NY New York
- 主分类号: C07D487/04
- IPC分类号: C07D487/04 ; B01J23/44 ; B01J27/13 ; B01J31/12 ; B01J31/22 ; C07B61/00 ; C07D463/00 ; C07D501/00 ; C07D501/04 ; C07D501/20 ; C07D501/22 ; C07D501/59 ; C07D505/00 ; C07F7/22
摘要:
3-Fluorosulfonyloxyceph-3-ems having a protected amino or acylamino group in the 7-position are subject to carbon-carbon bond formation at the 3-position by means of a palladium catalyzed coupling reaction with substituted organostannanes. A process for preparing cefprozil is disclosed.
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