Synthesis and in vitro study of nitro- and methoxy-2-phenylbenzofurans as human monoamine oxidase inhibitors
作者:Giovanna L. Delogu、Amit Kumar、Gianluca Gatto、Fernando Bustelo、Lucía M. Saavedra、Maria Isabel Rodríguez-Franco、Reyes Laguna、Dolores Viña
DOI:10.1016/j.bioorg.2020.104616
日期:2021.2
A new series of 2-phenylbenzofuran derivatives were designed and synthesized to determine relevant structural features for the MAO inhibitory activity and selectivity. Methoxy substituents were introduced in the 2-phenyl ring, whereas the benzofuran moiety was not substituted or substituted at the positions 5 or 7 with a nitro group. Substitution patterns on both the phenyl ring and the benzofuran
设计并合成了一系列新的 2-苯基苯并呋喃衍生物,以确定 MAO 抑制活性和选择性的相关结构特征。在 2-苯环中引入了甲氧基取代基,而苯并呋喃部分未被取代或在 5 或 7 位被硝基取代。苯环和苯并呋喃部分的取代模式决定了对 MAO-A 或 MAO-B 的亲和力。2-(3-甲氧基苯基)-5-硝基苯并呋喃9是该系列中最有效的 MAO-B 抑制剂 (IC 50 = 0.024 µM),而 7-硝基-2-苯基苯并呋喃7是最有效的 MAO-A 抑制剂(IC 50 = 0.168 µM),两者都作为可逆抑制剂。2-苯环上甲氧基的数量和位置对抑制活性有重要影响。分子对接研究证实了实验结果,并强调了关键残基在酶抑制中的重要性。