发明名称 4-SUBSTITUTED-2-OXOAZETIDINE COMPOUNDS, PROCESSES FOR THEIR PREPARATION, AND THEIR USE FOR PREPARING ANTIBIOTICS
摘要 A compound of the formula: <CHEM> in which R<1> is hydrogen, halogen, amino, acylamino, isocyano or protected hydroxy(lower)alkyl, R<2> is hydrogen or an organic group optionally substituted by suitable substituent(s), and R<3> is carboxy or a protected carboxy group, or a salt thereof. <??>The invention also relates to processes for their preparation, and their use for preparing antibiotics.
申请公布号 DE3167774(D1) 申请公布日期 1985.01.31
申请号 DE19813167774 申请日期 1981.02.24
申请人 FUJISAWA PHARMACEUTICAL CO., LTD. 发明人 HASHIMOTO, MASASHI;ARATANI, MATSUHIKO;SAWADA, KOZO
分类号 C07D205/08;C07D205/085;C07D205/09;C07D403/04;C07D405/06;C07D477/04;C07F7/08;C07F7/10;C07F9/568;(IPC1-7):C07D205/08 主分类号 C07D205/08
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