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A novel N-heterocycles substituted oseltamivir derivatives as potent inhibitors of influenza virus neuraminidase: discovery, synthesis and biological evaluation

文献类型： 外文期刊

作者： Zhang, Jiwei 1 ; Liu, Chuanfeng 1 ; Jia, Ruifang 1 ; Zhang, Xujie 1 ; Zhang, Jian 3 ; Bertagnin, Chiara 4 ; Bonomini, Anna 4 ; Guizzo, Laura 4 ; Jiang, Yuanmin 1 ; Jia, Huinan 1 ; Jia, Shuzhen 1 ; Ma, Xiuli 5 ; Loregian, Arianna 4 ; Huang, Bing 5 ; Zhan, Peng 1 ; Liu, Xinyong 1 ;

作者机构： 1.Shandong Univ, Cheeloo Coll Med, Sch Pharmaceut Sci, Dept Med Chem,Key Lab Chem Biol,Minist Educ, Jinan, Shandong, Peoples R China

2.Shandong Univ, Suzhou Res Inst, Suzhou, Jiangsu, Peoples R China

3.Shandong Univ, Hosp 2, Inst Med Sci, Jinan, Shandong, Peoples R China

4.Univ Padua, Dept Mol Med, Padua, Italy

5.Shandong Acad Agr Sci, Inst Poultry Sci, Jinan, Shandong, Peoples R China

6.China Belgium Collaborat Res Ctr Innovat Antiviral, Jinan, Shandong, Peoples R China

7.Shandong Acad Agr Sci, Inst Poultry Sci, 23788 Gongye North Rd, Jinan, Shandong, Peoples R China

8.China Belgium Collaborat Res Ctr Innovat Antiviral, 44 Wen Hua West Rd, Jinan, Shandong, Peoples R China

关键词： Influenza virus; neuraminidase inhibitors; 150-cavity; oseltamivir; drug design

期刊名称：JOURNAL OF ENZYME INHIBITION AND MEDICINAL CHEMISTRY （ 影响因子：5.6； 五年影响因子：5.2 ）

ISSN： 1475-6366

年卷期： 2023 年 38 卷 1 期

页码：

收录情况： SCI

摘要： Our previous studies have shown that the introduction of structurally diverse benzyl side chains at the C5-NH2 position of oseltamivir to occupy 150-cavity contributes to the binding affinity with neuraminidase and anti-influenza activity. To obtain broad-spectrum neuraminidase inhibitors, we designed and synthesised a series of novel oseltamivir derivatives bearing different N-heterocycles substituents that have been proved to induce opening of the 150-loop of group-2 neuraminidases. Among them, compound 6k bearing 4-((r)-2-methylpyrrolidin-1-yl) benzyl group exhibited antiviral activities similar to or weaker than those of oseltamivir carboxylate against H1N1, H3N2, H5N1, H5N6 and H5N1-H274Y mutant neuraminidases. More encouragingly, 6k displayed nearly 3-fold activity enhancement against H3N2 virus over oseltamivir carboxylate and 2-fold activity enhancement over zanamivir. Molecular docking studies provided insights into the explanation of its broad-spectrum potency against wild-type neuraminidases. Overall, as a promising lead compound, 6k deserves further optimisation by fully considering the ligand induced flexibility of the 150-loop.

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