3-Quinolinecarboxamides. A series of novel orally-active antiherpetic agents
作者:Mark P. Wentland、Robert B. Perni、Peter H. Dorff、R. Pauline Brundage、Michael J. Castaldi、Thomas R. Bailey、Philip M. Carabateas、Edward R. Bacon、Dorothy C. Young
DOI:10.1021/jm00063a008
日期:1993.5
3-quinolinecarbo xamide (97), displayed comparable oral antiherpetic efficacy to acyclovir at 1/16 the dose; in a multiple-dose regimen, however, 97 was 2-fold less potent. In mice dosed orally with 97, sustained plasma drug levels were evident that may account for the high efficacy observed. The molecular mechanism of action of these agents is not known; however, based on in vitro studies with acyclovir
在结构上类似于喹诺酮类抗菌剂的一系列新型3-喹啉羧酰胺具有出色的抗疱疹性能。通过在1、2、3和7位修饰喹啉环,鉴定出与无环鸟苷相比具有高达5倍的HSV-2斑块减少能力的类似物。在单剂量小鼠感染模型中,体外最有效的衍生物之一是1-(4-氟苯基)-1,4-二氢-4-氧代-7-(4-吡啶基)-3-喹啉羰基乙酰胺( 97),在1/16剂量下显示出与阿昔洛韦相当的口服抗疱疹药功效;然而,在多剂量方案中,97的效力降低了2倍。在口服97次的小鼠中,血浆药物水平持续升高很明显,这可能是观察到的高疗效的原因。这些药物作用的分子机理尚不清楚;然而,基于对阿昔洛韦抗性突变体的体外研究,其机理可能与阿昔洛韦不同。体外减轻斑块的能力通常不能预测小鼠的口服功效。X射线晶体结构97证实了结构的指定,并提供了有关构象对减少斑块效力的影响的有用见解。