Design, Synthesis, and Structure–Activity Correlations of Novel Dibenzo[<i>b</i>,<i>d</i>]furan, Dibenzo[<i>b</i>,<i>d</i>]thiophene, and <i>N</i>-Methylcarbazole Clubbed 1,2,3-Triazoles as Potent Inhibitors of <i>Mycobacterium tuberculosis</i>
作者:Santhosh Reddy Patpi、Lokesh Pulipati、Perumal Yogeeswari、Dharmarajan Sriram、Nishant Jain、Balasubramanian Sridhar、Ramalinga Murthy、Anjana Devi T、Shasi Vardhan Kalivendi、Srinivas Kantevari
DOI:10.1021/jm300125e
日期:2012.4.26
tricyclic (carbazole, dibenzo[b,d]furan, and dibenzo[b,d]thiophene) antimycobacterial agents were integrated in one molecular platform to prepare various novel clubbed 1,2,3-triazole hybrids using click chemistry. Structure–activity correlations and in vitro activity against M. tuberculosis strain H37Rv of new analogues revealed the order: dibenzo[b,d]thiophene > dibenzo[b,d]furan > 9-methyl-9H-carbazole
分子杂交方法是一种新兴的结构修饰工具,用于设计具有改进药效学性质的新分子。在这项研究中,将基于1,2,3-三唑的结核分枝杆菌抑制剂以及基于合成和天然产物的三环(咔唑,二苯并[ b,d ]呋喃和二苯并[ b,d ]噻吩)抗分枝杆菌药物整合到了一起。分子平台,以利用点击化学制备各种新颖的棒状1,2,3-三唑杂化物。新的类似物对结核分枝杆菌菌株H37Rv的结构活性相关性和体外活性揭示了以下顺序:二苯并[ b,d ]噻吩>二苯并[b,d ]呋喃> -9-甲基-9- ħ -咔唑系列。MIC = 0.78μg/ mL(〜1.9μM)的两种最有效的结核分枝杆菌抑制剂13h和13q对四种不同的人类癌细胞系均显示出低细胞毒性和高选择性指数(50-255)。这些结果共同提供了分子杂交的潜在重要性,以及开发基于三唑的棒状二苯并[ b,d ]噻吩为基础的候选分枝杆菌,用于治疗分枝杆菌感染。