申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04039536A1
公开(公告)日:1977-08-02
This invention is concerned with 7-(.alpha.-substituted glycinamido)-3-substituted methyl-3-cephem-4-carboxylic acids, derivatives and non-toxic pharmaceutical salts thereof, which possess antibacterial activity, process for preparation thereof, having the following general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and M are as defined hereinafter.
这项发明涉及7-(α-取代甘氨基)-3-取代甲基-3-头孢烯-4-羧酸,其衍生物和非毒性药用盐,具有抗菌活性,制备过程如下,具有以下一般公式 ##STR1## 其中R.sub.1,R.sub.2,R.sub.3和M如下所定义。