申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04303655A1
公开(公告)日:1981-12-01
Antibiotic cephalosporin compounds, method of making and pharmaceutical composition thereof represented by the general formula ##STR1## wherein R.sup.1 is amino, lower alkylamino, a protected amino, a protected lower alkylamino, hydroxy or lower alkoxy, R.sup.2 is hydrogen, acyloxy, pyridium or a heterocyclicthio group which may have suitable substituent(s), R.sup.3 is carboxy or its derivative, A is carbonyl, hydroxy(lower)alkylene or a protected hydroxy(lower)alkylene and R.sup.4 is hydrogen or halogen, or R.sup.2 and R.sup.3 are linked together to represent a group of the formula --COO--.
抗生素头孢菌素化合物的制备方法及其药物组合物,其通式表示为##STR1##其中R.sup.1为氨基,较低的烷基氨基,受保护的氨基,受保护的较低的烷基氨基,羟基或较低的烷氧基,R.sup.2为氢,酰氧基,吡啶基或可能具有适当取代基的杂环硫基团,R.sup.3为羧基或其衍生物,A为羰基,羟基(较低)烷基或受保护的羟基(较低)烷基,R.sup.4为氢或卤素,或R.sup.2和R.sup.3连接在一起表示式--COO--的基团。