Synthesis and biological evaluation of <i>N</i><sup>6</sup> derivatives of 8-azapurine as novel antiplatelet agents
作者:Zhichang Zhao、Yeming Wang、Nana Tian、Hong Yan、Juan Wang
DOI:10.1039/d1md00128k
日期:——
the synthesized compounds as antiplatelet agents, the ADP-induced platelet aggregation assay of Born was performed both in vitro and in vivo using ticagrelor as a reference control substance. The analysis of the structure–activity relationship and molecular docking were also discussed in detail. The results demonstrated that series I and II compounds exhibited antiplatelet activity in vitro and IIh was
设计了两个系列的8-氮杂嘌呤I和II的新型N 6衍生物作为抗血小板药物。系列I和II分别是8-氮杂嘌呤的N 6氨基衍生物和N 6腙衍生物。通过常规程序,包括以氨基醇和4,6-二氯嘧啶为起始原料的亲核取代、重氮化、胺化或腙化,以可接受的产率合成了化合物。为了评估合成化合物作为抗血小板药物的能力,使用替格瑞洛作为参考对照物质,在体外和体内进行了 Born 的 ADP 诱导血小板聚集测定。还详细讨论了构效关系和分子对接的分析。结果表明,系列I和II化合物在体外表现出抗血小板活性, IIh是目标化合物中活性最强的化合物(IC 50 = 0.20 μM),比替格瑞洛(IC 50 = 0.74 μM)好近4倍。为了初步评估安全性,进行了出血试验(小鼠尾部)和单剂量毒性试验。与替格瑞洛相比,使用化合物IIh导致更短的出血时间、更少的失血和更低的急性毒性。 此外,还进行了分子对接研究来研究IIh与P2Y 12之间的结合能力和结合模式。