Synthesis and evaluation of novel S-benzyl- and S-alkylphthalimide- oxadiazole -benzenesulfonamide hybrids as inhibitors of dengue virus protease
作者:Syeda Shamila Hamdani、Bilal Ahmad Khan、Shahid Hameed、Farwa Batool、Hafiza Nosheen Saleem、Ehsan Ullah Mughal、Muhammad Saeed
DOI:10.1016/j.bioorg.2020.103567
日期:2020.3
interesting motifs, namely 1,3,4-oxadiazole and benzenesulfonamide in two alternative series to develop novel S-benzylated and S-alkylphthalimidated hybrids. For the first series of hybrids, 4-aminobenzoic acid (1) was reacted with substituted benzenesulfonyl chlorides via its amino group, whereas the carboxylic acid side was elaborated to sulfonamido-1,3,4-oxadiazole-2-thiols (6a/b) in three steps. At this stage
直接作用抗病毒药物(DAAD)成为治疗病毒感染的首选疗法。通过靶向病毒蛋白酶成功开发抗HIV和HCV药物,为发现新型DAAD提供了动力。由两种非结构蛋白NS2B和NS3pro组成的登革热病毒(DENV)蛋白酶也可以用于发现新的抗登革热疗法。在这项研究中,我们将两个药学上有趣的基序(两个替代系列中的1,3,4-恶二唑和苯磺酰胺)连接在一起,以开发新型S-苄基化和S-烷基邻苯二甲酰亚胺化的杂种。对于第一批杂化物,4-氨基苯甲酸(1)通过其氨基与取代的苯磺酰氯反应,而羧酸侧则被精制为磺酰胺基1,3,三步合成4-恶二唑-2-硫醇(6a / b)。在这一阶段,通过与相应的卤化物反应,将中间体6a / b分为S-烷基邻苯二甲酰亚胺化的(8a-j)或S-苄基化的(9a-c)杂化物。对于另一系列的杂种,丙磺舒(10)的羧酸基团类似地被修饰为磺酰胺基-1,3,4-恶二唑-2-硫醇(13),并分歧成S-烷基邻