发明名称 |
Process for the selective sulfoxide reduction of 3-hydroxy cephem and 3-methylene cepham compounds |
摘要 |
Process for selectively reducing cephalosporin sulfoxides of 3-hydroxy cephem and 3-methylene cepham compounds by treatment with a chlorinating agent in the presence of a solvent and a base, which are both inert to the chlorinating agent.
|
申请公布号 |
US5663330(A) |
申请公布日期 |
1997.09.02 |
申请号 |
US19950576905 |
申请日期 |
1995.12.22 |
申请人 |
ACS DOBFAR S.P.A. |
发明人 |
ZENONI, MAURIZIO;LEONE, MARIO;DONADELLI, GIUSEPPE ALESSANDRO |
分类号 |
C07D501/00;C07D501/04;C07D501/59;(IPC1-7):C07D499/04 |
主分类号 |
C07D501/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|