3-Trifluoromethylpyrazolones derived nucleosides: Synthesis and antiviral evaluation
作者:Ayman M. S. Ahmed、Reham A. I. Abou-Elkhair、Alaa M. El-Torky、Abdalla E. A. Hassan
DOI:10.1080/15257770.2019.1591445
日期:2019.8.3
luoromethyl-pyrazolones, their ribofuranosyl, and 5′-deoxyribofuranosyl nucleosides were synthesized, geometry optimized using Density functional theory (DFT), and evaluated for their antiviral activity. 2-Nitrophenylhydrazonopyra-zolone derivative 5 showed significant activity against MERS-CoV (EC50 = 4.6 μM). The nucleoside analog 8 showed moderate activity against DENV-2 (EC50 = 10 μM), while the
登革热(DENV)病毒感染是一个全球性的公共卫生问题,很少出现威胁生命的疾病,例如登革出血热(DFS)和登革热休克综合征(DSS)。中东呼吸综合征冠状病毒(MERS-CoV)是一种高致病性的人类冠状病毒,感染患者的死亡率为38%。合成了一系列的4-芳基肼基-5-三氟甲基-吡唑啉酮,其呋喃核糖基和5'-脱氧呋喃核糖基核苷,并使用密度泛函理论(DFT)进行了几何优化,并评估了其抗病毒活性。2-硝基苯基肼基no并吡喃酮衍生物5对MERS-CoV表现出显着活性(EC 50 = 4.6μM )。核苷类似物8对DENV-2(EC 50= 10μM),而相应的5'-脱氧核糖核苷类似物消除了活性。在这项研究中确定的命中点将这类化合物设置为将来的进一步优化。