申请人:Shionogi & Co., Ltd.
公开号:US05143910A1
公开(公告)日:1992-09-01
Antibacterial hydroxyarylpiperazinocephalosporins of the formula: ##STR1## wherein R.sup.1 is amino or acylamino; R.sup.2 is H or methoxy; R.sup.3 is alkyl; R.sup.4 is --(P--C--Q).sub.n --, where P and Q each are H, alkyl or OH, or P and Q combine to form oxo, and n is 0 or 4; R.sup.5 is substituted or unsubstituted hydroxyaryl; R.sup.6 has a negative charge and is COO, or an anion in combination with an optionally protected carboxy; and X is O, S or S.fwdarw.O; an antibacterial preparation containing the same; a method for killing bacteria and preventing or treating bacterial infection by using the same; and syntheses of the cephalosporins are provided.
公式为:##STR1##其中R.sup.1为氨基或酰氨基;R.sup.2为H或甲氧基;R.sup.3为烷基;R.sup.4为--(P--C--Q).sub.n --,其中P和Q分别为H、烷基或OH,或P和Q结合形成氧化物,n为0或4;R.sup.5为取代或未取代的羟基芳基;R.sup.6带有负电荷,为COO,或与可选择保护的羧基结合的阴离子;X为O、S或S.fwdarw.O;包含相同成分的抗菌制剂;通过使用相同的方法杀灭细菌并预防或治疗细菌感染;提供头孢菌素的合成方法。