| 发明名称 |
Process for preparing cephalosporin intermediates |
| 摘要 |
<p>The present invention provides a process for the preparation of, stable, crystalline cephalosporin intermediates of the formula <CHEM> wherein X is HI, HCl or H2SO4 which are substantially free of the DELTA <2> isomer, and which are convertible into broad-spectrum cephalosporin antibiotics.</p> |
| 申请公布号 |
GR3032045(T3) |
申请公布日期 |
2000.03.31 |
| 申请号 |
GR19990403132T |
申请日期 |
1999.12.06 |
| 申请人 |
BRISTOL-MYERS SQUIBB COMPANY |
发明人 |
LIM, GARY M.F.;ROUBIE, JOHN M. |
| 分类号 |
C07D501/00;C07D501/18;C07D501/46;C07D501/48;C07F7/18;(IPC1-7):C07D501/18 |
主分类号 |
C07D501/00 |
| 代理机构 |
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