申请人:DAIICHI PHARMACEUTICAL CO., LTD.
公开号:EP1712554A1
公开(公告)日:2006-10-18
A quinolone antimicrobial agent having potent antimicrobial activity against gram positive and gram negative bacteria and having high safety is provided. A compound represented by the following formula (1):
[wherein, R1: hydrogen, alkyl, cycloalkyl, or substituted carbonyl derived from amino acid, peptide or tripeptide; R2: hydrogen, alkyl, or cycloalkyl; R3: hydrogen, amino, halogen, or alkyl; R4: hydrogen, phenyl, acetoxymethyl, pivaloyloxymethyl, ethoxycarbonyl, choline, dimethylaminoethyl, 5-indanyl, phthalidinyl, 5-alkyl-2-oxo-1,3-dioxol-4-ylmethyl, 3-acetoxy-2-oxobutyl, alkyl, alkoxymethyl, or phenylalkyl; X, X1, X2: hydrogen or halogen] or salt thereof, or a hydrate thereof; and antimicrobial agent and therapeutic agent for infections, each containing the compound, salt thereof or a hydrate thereof.
提供了一种对革兰氏阳性和阴性细菌具有强效抗菌活性且具有高安全性的喹诺酮类抗菌剂。化合物由以下公式(1)表示:[其中,R1:氢,烷基,环烷基或由氨基酸,肽或三肽衍生的取代羰基;R2:氢,烷基或环烷基;R3:氢,氨基,卤素或烷基;R4:氢,苯基,乙酰氧甲基,季戊酰氧甲基,乙氧羰基,胆碱,二甲氨基乙基,5-茚烷基,邻酞酰亚胺基,5-烷基-2-氧代-1,3-二氧杂环戊-4-基甲基,3-乙酰氧基-2-氧代丁基,烷基,烷氧甲基或苯基烷基;X,X1,X2:氢或卤素]或其盐或其水合物;以及包含该化合物、其盐或其水合物的抗菌剂和治疗剂。