申请人:Shionogi & Co., Ltd.
公开号:US05134138A1
公开(公告)日:1992-07-28
An antibacterial 3-vic-dihydroxyaroylmethylpyridiniothiomethyl cephalosporin (I) and its salts represented by the following formula: ##STR1## (wherein, R.sup.1 is amino group or acylamino; R.sup.2 is hydrogen or methoxy; R.sup.3 is hydrogen atom or substituent; R.sup.4 is vic-dihydroxyaryl; R.sup.5 is straight or branched lower alkylene; R.sup.6 is hydrogen, a carboxy-protecting group or combined with Y a negative charge; X is --O--, --S-- or sulfinyl; and Y is a counter-ion of pyridinio or combined with R.sup.6 a negative charge), a disinfecting and treating method of bacterial infection using it, and synthetic methods thereof are provided.
提供一种抗菌的3-邻二羟基芳基甲基吡啶硫甲基头孢菌素(I)及其盐,其化学式如下:##STR1## (其中,R1为氨基或酰胺基;R2为氢或甲氧基;R3为氢原子或取代基;R4为邻二羟基芳基;R5为直链或分支低碳链基;R6为氢、羧基保护基或与Y结合形成负电荷;X为--O--、--S--或亚砜基;Y为吡啶硫甲基阳离子的对离子或与R6结合形成负电荷),以及使用它进行细菌感染的消毒和治疗方法,以及其合成方法。