| 发明名称 |
PROCESS FOR PREPARING CEPHALOSPORIN INTERMEDIATES |
| 摘要 |
The present invention provides a process for the preparation of stable, crystalline cephalosporin intermediates of the formula I 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.
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| 申请公布号 |
CA2099692(A1) |
申请公布日期 |
1994.01.25 |
| 申请号 |
CA19932099692 |
申请日期 |
1993.06.29 |
| 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):C07D501/04 |
主分类号 |
C07D501/00 |
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