7-Azetidinylquinolones as Antibacterial Agents. 2. Synthesis and Biological Activity of 7-(2,3-Disubstituted-1-azetidinyl)-4-oxoquinoline- and -1,8-naphthyridine-3-carboxylic Acids. Properties and Structure-Activity Relationships of Quinolones with an Azetidine Moiety
作者:Jordi Frigola、Antoni Torrens、Jose A. Castrillo、Josep Mas、David Vano、Juana M. Berrocal、Carme Calvet、Leonardo Salgado、Jordi Redondo
DOI:10.1021/jm00050a016
日期:1994.11
3-disubstituted-1-azetidinyl)-1,4-dihydro-6-fluoro-4- oxoquinoline- and -1,8-naphthyridine-3-carboxylic acids, with varied substituents at the 1-, 5-, and 8-positions, was prepared to study the effects on potency and physicochemical properties of the substituent at position 2 of the azetidine moiety. The activity of the title compounds was determined in vitro against Gram-positive and Gram-negative bacteria
一系列7-(2,3-二取代-1-氮杂环丁烷基)-1,4-二氢-6-氟-4-氧代喹啉-和-1,8-萘啶-3-羧酸,在1处具有不同的取代基制备5-,5-和8-位,以研究对氮杂环丁烷部分2位上的取代基的效能和理化性质的影响。在体外确定针对革兰氏阳性和革兰氏阴性细菌的标题化合物的活性,并使用小鼠感染模型确定所选衍生物的体内功效。发现6b,6c和6d的X射线晶体结构与相应的AM1计算的几何结构合理吻合。建立了所有合成的7-氮杂环丁烷基喹诺酮类和萘啶类的抗菌能力与计算出的电子性质和实验容量因子之间的相关性。将所选衍生物的抗菌功效,药代动力学和理化性质与相关的7-(3-氨基-1-氮杂环丁烷基)和7-(3-氨基-3-甲基-1-氮杂环丁烷基)类似物进行了比较(第1部分,请参见: J. Med。Chem。1993,36,801-810)。N-1处的环丙基或取代的苯基与C-7处的反-3-氨基-2-甲基-1-氮杂