An antibacteriai 3-optionally protected-vic-dihydroxyaroyl-lower alkyl-pyridiniothiomethyl cephalosporin derivative represented by the following formula (I):
(wherein,
R1 is an amino group or acylamino; R2 is hydrogen or methoxy; R3 is hydrogen or a mono- or divalent substituent; R4 is optionally protected vic-dihydroxyaryl; R5 is straight or branched lower alkylene; R6 is hydrogen, a carboxy-protecting group or a negative charge when combined with Y; X is oxygen, sulfur, or sulfinyl; and Y is an anion or a negative charge when combined with R6; and the dotted line shows the presence or absence of a bond),
a disinfecting and treating method of bacterial infection using it, and synthetic methods thereof are provided.
由下式(I)代表的抗菌 3-可选保护-维-二羟基芳酰基-低级烷基-
吡啶-
硫代甲基
头孢菌素衍
生物:
其中
R1为
氨基或酰
氨基;R2为氢或甲氧基;R3为氢或一价或二价取代基;R4为可选保护的沧海二羟基芳基;R5为直链或支链低级亚烷基;R6为氢、羧基保护基团或与Y结合时的负电荷;X为氧、
硫或亚砜基;Y为阴离子或与R6结合时的负电荷;虚线表示键的存在或不存在)、
提供了一种使用它的细菌感染消毒和治疗方法及其合成方法。