申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04263291A1
公开(公告)日:1981-04-21
3,7-Disubstituted-3-cephem-4-carboxylic acid compounds having bacteriostatic properties and the following formula: ##STR1## in which R.sup.1 is thiadiazolyl or isothiazolyl, each of which may have suitable substituent(s), or thiazolyl; R.sup.2 is hydrogen or lower alkyl; R.sup.3 is carboxy or protected carboxy; R.sup.4 is hydrogen, acyloxy or a heterocyclicthio group which may have suitable substituent(s); and R.sup.5 is hydrogen or lower alkoxy, process for making same and treating infectious diseases therewith.
具有细菌抑制作用的3,7-二取代-3-头孢菌素-4-羧酸化合物,其化学式如下:##STR1## 其中R.sup.1为噻二唑基或异噻唑基,每种基团均可具有适当的取代基,或噻唑基;R.sup.2为氢或低碳基;R.sup.3为羧基或保护的羧基;R.sup.4为氢、酰氧基或含有适当取代基的杂环硫基团;R.sup.5为氢或低碳基氧基,制备方法以及用于治疗传染病的方法。