Antiviral activity of amides and carboxamides of quinolizidine alkaloid (−)-cytisine against human influenza virus A (H1N1) and parainfluenza virus type 3
作者:Victoria A. Fedorova、Renata A. Kadyrova、Alexander V. Slita、Anna A. Muryleva、Polina R. Petrova、Alena V. Kovalskaya、Alexander N. Lobov、Zulfiya R. Zileeva、Dmiry O. Tsypyshev、Sophia S. Borisevich、Inna P. Tsypysheva、Julia V. Vakhitova、Vladimir V. Zarubaev
DOI:10.1080/14786419.2019.1696791
日期:2021.11.17
derivatives obtained from allyl isocyanate and (−)-cytisine or 9,11-dibromocytisine are able to inhibit a reproduction of HPIV3 with SI = 58 and 95. Moreover, last compound - (1 R,5R)-N-allyl-9,11-dibromo-8-oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocine-3(4H)-carboxamide with two bromine atom in 2-pyridone core of starting (−)-cytisine molecule, demonstrated high activity against HPIV3
摘要 合成了喹唑啉生物碱 ( - )-胞嘧啶的新型衍生物。评估了 ADME 特性、对 HEK293 细胞的细胞毒性和对 A/California/07/09(H1N1)pdm09 病毒 (IAV) 和人类副流感病毒 3 (HPIV3) 病毒的活性。结果表明,甲基胞嘧啶的 9-甲酰胺(带有苯基和烯丙基脲的片段)是对 IAV 最具活性的化合物,这可能是由于计算机预测的它们与 IAV 神经氨酸酶的 4R7B 活性位点相互作用的特殊性。以这些尿素的CC 50 /IC 50之比计算的选择性指数(SI)相应地为47和59。还发现,从异氰酸烯丙酯和 ( -)-cytisine 或 9,11-dibromocytisine 能够抑制 HPIV3 的繁殖,SI = 58 和 95。此外,最后一种化合物 - (1 R ,5 R )- N -allyl-9,11-dibromo-8-oxo -1,5,6,8-tetrahydro-2