Structure-Based Optimization of N-Substituted Oseltamivir Derivatives as Potent Anti-Influenza A Virus Agents with Significantly Improved Potency against Oseltamivir-Resistant N1-H274Y Variant
作者:Jian Zhang、Natarajan Arul Murugan、Ye Tian、Chiara Bertagnin、Zengjun Fang、Dongwei Kang、Xiujie Kong、Haiyong Jia、Zhuosen Sun、Ruifang Jia、Ping Gao、Vasanthanathan Poongavanam、Arianna Loregian、Wenfang Xu、Xiuli Ma、Xiao Ding、Bing Huang、Peng Zhan、Xinyong Liu
DOI:10.1021/acs.jmedchem.8b01065
日期:2018.11.21
carboxylate (OSC) against H5N1, H5N2, H5N6, and H5N8. Besides, 21h was 5- to 86-fold more potent than OSC toward N1, N8, and N1-H274Y mutant NAs in the inhibitory assays. Computational studies provided a plausible rationale for the high potency of 21h against group-1 and N1-H274Y NAs. In addition, 21h demonstrated acceptable oral bioavailability, low acute toxicity, potent antiviral activity in vivo, and high
由于高致病性和耐奥司他韦的流感病毒的出现,迫切需要开发新的抗流感药。在本文中,设计并合成了五个奥司他韦衍生物亚系列,以通过进一步利用神经氨酸酶(NAs)中的150腔来提高其对耐药病毒株的活性。生物测定结果表明,化合物21h对H5N1,H5N2,H5N6和H5N8的抗病毒活性类似于或优于奥司他韦羧酸盐(OSC)。此外,在抑制试验中,21h对N1,N8和N1-H274Y突变NA的效力比OSC强5至86倍。计算研究为21h的高效力提供了合理的理由针对第1组和N1-H274Y NA。此外,21h表现出可接受的口服生物利用度,低急性毒性,体内有效的抗病毒活性以及高代谢稳定性。总体而言,上述优异的特性使21h成为治疗流感病毒感染的有前途的候选药物。