The synthesis and antibacterial activities of quinolones containing five- and six-membered heterocyclic substituents at the 7-position
作者:Curt S. Cooper、Pamela L. Klock、Daniel T. W. Chu、Prabhavathi B. Fernandes
DOI:10.1021/jm00166a025
日期:1990.4
4-dihydro-4-oxoquinoline-3-carboxylic acids were prepared. The substituents at the 7-position included five- and six-membered heterocyclic rings such as oxazoline and oxazine as well as five-membered heteroaromatic rings such as oxazoles and imidazoles. The structure--activity relationships (SAR) of these compounds indicated that oxazole substituents containing a 2-methyl group had the greatest in vitro potency
制备了一系列6-氟-7-取代的-1-乙基-1,4-二氢-4-氧代喹啉-3-羧酸。在7位的取代基包括五元和六元杂环,例如恶唑啉和恶嗪,以及五元杂芳族环,例如恶唑和咪唑。这些化合物的结构-活性关系(SAR)表明,含有2-甲基的恶唑取代基具有最大的体外效价。与革兰氏阴性菌相比,该化合物对革兰氏阳性菌的体外抗菌活性更高。