申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04544751A1
公开(公告)日:1985-10-01
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.
具有细菌抑制性质的3,7-二取代-3-头孢烯-4-羧酸化合物,其化学式如下:##STR1## 其中R.sup.1是噻二唑基或异噻唑基,每个基团都可以具有适当的取代基,或噻唑基; R.sup.2是氢或低烷基; R.sup.3是羧基或保护羧基; R.sup.4是氢、酰氧或含有适当取代基的杂环硫基团; R.sup.5是氢或低烷氧基。制备该化合物的方法和用于治疗传染病的方法。