Synthesis and in vitro evaluation of novel substituted isatin-propylene-1H-1,2,3-triazole-4-methylene-moxifloxacin hybrids for their anti-mycobacterial activities
作者:Xinjia Yan、Zaosheng Lv、Jing Wen、Shijia Zhao、Zhi Xu
DOI:10.1016/j.ejmech.2017.11.090
日期:2018.1
isatin-propylene-1H-1,2,3-triazole-4-methylene-moxifloxacin hybrids 5a-l were designed, synthesized and screened for their in vitro anti-mycobacterial activities against drug-sensitive and multidrug-resistant Mycobacterium tuberculosis as well as cytotoxicity in VERO cell line. All hybrids exhibited excellent activities against two Mycobacterium tuberculosis strains with minimum inhibitory concentration
设计,合成并筛选了十二种新型取代的Isatin-丙烯-1H-1,2,3-三唑-4-亚甲基-莫西沙星杂种5a-1,它们具有体外对药敏和耐多药结核分枝杆菌的抗分枝杆菌活性。以及在VERO细胞系中的细胞毒性。所有杂交显示出优异的活性针对两种结核分枝杆菌具有范围最小抑制浓度菌株从0.05至2.0 μ克/毫升。在体外,对结核分枝杆菌H 37而言,活性最高的杂种5i的效价比参考药物(莫西沙星和利福平)高2-8倍Rv,在体外对多重耐药结核分枝杆菌的效价是参考药物(莫西沙星,利福平和异烟肼)的2-> 2048倍。然而,所有的杂交(50%细胞毒性浓度/ CC 50:2-32 μ克/毫升)比母体莫西沙星得多的细胞毒性(CC 50:128 μ克/毫升)对Vero细胞系。因此,我们的进一步优化将集中在降低它们的细胞毒性以及增强活性上。研究了1H-1,2,3-三唑拴系的isatin-氟喹诺酮杂种的结构-活性关系,该结果可促进抗结核病的进一步发展