发明名称 |
A METHOD OF DEPROTECTION OF 3-AMINO AZETIDINONES |
摘要 |
<p>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.</p> |
申请公布号 |
EP0301877(B1) |
申请公布日期 |
1993.04.14 |
申请号 |
EP19880306996 |
申请日期 |
1988.07.29 |
申请人 |
ELI LILLY AND COMPANY |
发明人 |
BLASZCZAK, LARRY CHRIS;MUNROE, JOHN EDWIN;SPRY, DOUGLAS OVERBAUGH |
分类号 |
C07D205/085;C07D205/095;C07D463/00;C07D501/20;C07D505/00 |
主分类号 |
C07D205/085 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|