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公开(公告)号:US4822888A
公开(公告)日:1989-04-18
申请号:US830973
申请日:1986-02-19
申请人: Takao Takaya , Hisashi Takasugi , Kiyosha Tsuji , Toshiyuki Chiba
发明人: Takao Takaya , Hisashi Takasugi , Kiyosha Tsuji , Toshiyuki Chiba
IPC分类号: C07C251/38 , A61K31/545 , A61K31/546 , A61P31/04 , C07C251/52 , C07C251/60 , C07D277/20 , C07D277/38 , C07D277/40 , C07D277/44 , C07D285/06 , C07D501/14 , C07D501/20 , C07D501/22 , C07D501/34 , C07D501/59 , C07D277/48
CPC分类号: C07D277/20 , C07D277/587 , C07D285/06 , C07D501/20
摘要: A compound of the formula: ##STR1## wherein R.sup.2 is halo(lower)alkyl, andR.sup.6 is amino or protected amino, its reactive derivative at the carboxy group or its lower alkyl ester, is disclosed, having utility as an intermediate for producing cephems or cephams.
摘要翻译: 公开了下式的化合物,其中R 2是卤代(低级)烷基,R 6是氨基或被保护的氨基,其在羧基或其低级烷基酯上的反应性衍生物,可用作生产cephems的中间体 或cephams。