| 发明名称 |
Bicyclic beta -lactam antibiotics |
| 摘要 |
A method for preparing 2-amino- beta -lactams which are substituted by readily-removed protecting groups is provided. According to this invention, an acyl-2-amino- beta -lactam is further acylated with a different acyl group and is subsequently treated with base to provide a protected 2-amino beta -lactam with a more desirable protecting group.
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| 申请公布号 |
US5393882(A) |
申请公布日期 |
1995.02.28 |
| 申请号 |
US19930021820 |
申请日期 |
1993.02.24 |
| 申请人 |
ELI LILLY AND COMPANY |
发明人 |
BLASZCZAK, LARRY C.;MUNROE, JOHN E.;SPRY, DOUGLAS O. |
| 分类号 |
C07D205/085;C07D463/00;C07D501/20;C07D505/00;(IPC1-7):C07D487/04 |
主分类号 |
C07D205/085 |
| 代理机构 |
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