Discovery of hydrazide-containing oseltamivir analogues as potent inhibitors of influenza A neuraminidase
作者:Hongqian Zhao、Siyuan Jiang、Zhifan Ye、Hongxi Zhu、Baichun Hu、Peipei Meng、Yanmei Hu、Huicong Zhang、Kuanglei Wang、Jun Wang、Yongshou Tian
DOI:10.1016/j.ejmech.2021.113567
日期:2021.10
Neuraminidase (NA) inhibitors play a prime role in treating influenza. However, a variety of viruses containing mutant NAs have developed severe drug resistance towards NA inhibitors, so it is of crucial significance to solve this problem. Encouraged by urea-containing compound 12 disclosed by our lab, we designed a series of oseltamivir derivatives bearing hydrazide fragment for targeting the 150
神经氨酸酶 (NA) 抑制剂在治疗流感中起主要作用。然而,多种含有突变NAs的病毒已经对NA抑制剂产生了严重的耐药性,因此解决这一问题具有至关重要的意义。受实验室公开的含尿素化合物12的启发,我们设计了一系列带有酰肼片段的奥司他韦衍生物,用于靶向150腔。在合成的化合物中,化合物17a对来自 H5N1、H1N1、H5N1–H274Y、H1N1–H274Y 的 NA 的活性分别比羧酸奥司他韦高 8.77 倍、4.12 倍、203 倍和 6.23 倍。同时,最好的化合物17a在体外表现出令人满意的代谢稳定性. 该研究为奥司他韦的结构优化以有效抑制NAs的H274Y突变体提供了重要参考。