Design, synthesis, and bioassay of 4-thiazolinone derivatives as influenza neuraminidase inhibitors
作者:Mengwu Xiao、Lvjie Xu、Ding Lin、Wenwen Lian、Manying Cui、Meng Zhang、Xiaowei Yan、Shuishi Li、Jun Zhao、Jiao Ye、Ailin Liu、Aixi Hu
DOI:10.1016/j.ejmech.2021.113161
日期:2021.3
A series of 4-thiazolinone derivatives (D1-D58) were designed and synthesized. All of the derivatives were evaluated in vitro for neuraminidase (NA) inhibitory activities against influenza virus A (H1N1), and the inhibitory activities of the five most potent compounds were further evaluated on NA from two different influenza viral subtypes (H3N2 and B), and then their in vitro anti-viral activities
设计并合成了一系列4-噻唑啉酮衍生物(D1-D58)。在体外评估了所有衍生物对甲型流感病毒(H1N1)的神经氨酸酶(NA)抑制活性,并进一步评估了来自两种不同流感病毒亚型(H3N2和B)的五种最有效化合物对NA的抑制活性,然后使用细胞病变效应(CPE)降低法评估其体外抗病毒活性。结果表明,大多数目标化合物均显示出中等至良好的NA抑制活性。化合物D18对IC 50的抑制作用最强H1N1流感亚型的抗药性值为13.06μM。中所选择的化合物,D18和D41被证明是针对流感病毒H3N2亚型的最有效的抑制剂(IC 50 = 15.00μM和IC 50 = 14.97μM,分别地)。D25是对抗B型流感最有效的化合物(IC 50 = 16.09μM)。此外,在细胞测定中,D41对N1-H275Y变体显示出比参考化合物Oseltamivir和Amantadine低的毒性和更高的效力。结构-活性关系(SAR)分析表明,引入4-CO