发明公开
EP0592677A4 -G(B)-LACTAM COMPOUND AND CEPHEM COMPOUND, AND PRODUCTION THEREOF
失效
-G（B）-LACTAM化合物和CEPHEM化合物，以及其生产
- 专利标题： -G(B)-LACTAM COMPOUND AND CEPHEM COMPOUND, AND PRODUCTION THEREOF
- 专利标题（中）： -G（B）-LACTAM化合物和CEPHEM化合物，以及其生产
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申请号： EP93903302申请日： 1993-02-03
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公开(公告)号： EP0592677A4公开(公告)日： 1994-07-06
- 发明人: TORII SHIGERU , TANAKA HIDEO , SASAOKA MITIO , SHIROI TAKASHI , KAMEYAMA YUTAKA
- 申请人： OTSUKA KAGAKU KK
- 专利权人： OTSUKA KAGAKU KK
- 当前专利权人： OTSUKA KAGAKU KK
- 优先权： JP3031092 1992-02-18; JP3031192 1992-02-18
- 主分类号： C07D205/09
- IPC分类号： C07D205/09 ; C07D205/095 ; C07D501/00 ; C07D501/04 ; C07D501/14 ; C07D501/18 ; C07D501/20 ; C07D501/22 ; C07D501/57 ; C07D501/60 ; C07D205/08
摘要：
A β-lactam compound and a 2-(substituted methyl)-3-cephem compound, both being useful as an intermediate for the synthesis of cephem antibiotics and so forth. The lactam compound is represented by general formula (I), wherein R1 represents protected amino, etc.; R2 represents hydrogen, etc.; R3 represents hydrogen or a protective group for a carboxyl group; R4 represents optionally substituted aryl; and R5 represents optionally substituted alkenyl, etc. The cephem compound is represented by general formula (II), wherein R?1, R2 and R3¿ are each as defined above; and R6 represents optionally substituted aryl.
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