| 发明名称 |
Process for the preparation of cephalosporin compounds and synthetic intermediates |
| 摘要 |
There is provided a process for the preparation of a compound according to Formula (II): which includes the step of cyclizing a compound of Formula (III): wherein R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, X and m have meanings which are given in the description.
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| 申请公布号 |
US7355040(B2) |
申请公布日期 |
2008.04.08 |
| 申请号 |
US20040994983 |
申请日期 |
2004.11.22 |
| 申请人 |
BEST DESMOND JOHN;BURTON GEORGE;GASSON BRIAN CHARLES;OSBORNE NEAL FREDERICK;WALKER GRAHAM |
发明人 |
BEST DESMOND JOHN;BURTON GEORGE;GASSON BRIAN CHARLES;OSBORNE NEAL FREDERICK;WALKER GRAHAM |
| 分类号 |
C07D501/20;C07D463/06;C07D463/16;C07D471/04;C07D501/00;C07D501/04;C07D501/24;C07D501/26;C07D501/60;C07D505/06;C07D505/16;C07D505/18 |
主分类号 |
C07D501/20 |
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