| 发明名称 |
Novel compounds and method for preparing 3-methylcephams |
| 摘要 |
The present invention relates to novel intermediates for the preparation of 3-methylenecephams. More specifically, the present invention relates to the intramolecular cyclization of penicillin sulfoxide derived monocyclic azetidinone as precursors to cephalosporin antibiotics.
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| 申请公布号 |
US2004106790(A1) |
申请公布日期 |
2004.06.03 |
| 申请号 |
US20030706683 |
申请日期 |
2003.11.12 |
| 申请人 |
COOPER ROBIN D.G.;BARRETT ANTHONY G.M. |
发明人 |
COOPER ROBIN D.G.;BARRETT ANTHONY G.M. |
| 分类号 |
C07D205/095;C07D403/04;C07D501/00;C07D501/08;C07D501/14;C07D501/22;C07D501/24;(IPC1-7):A61K31/397;C07D205/08;C0743/02 |
主分类号 |
C07D205/095 |
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