Synthesis, computational simulations and biological evaluation of new dual 5HT1A/5HT7 receptor ligands based on purine-2,6-dione scaffold
作者:Agnieszka Zagórska、Anna Partyka、Magdalena Jastrzębska-Więsek、Anna Czopek、Monika Fryc、Agata Siwek、Monika Głuch-Lutwin、Barbara Mordyl、Anna Maślanka、Anna Jaromin、Rafał Kurczab
DOI:10.1016/j.bioorg.2023.106737
日期:2023.10
experimentally established physicochemical parameters of compound 11 showed that compound, as slightly ionized in the blood, could penetrate the blood–brain barrier. A molecular docking study showed that the fluorine substitution introduces additional stabilization effects on binding to 5HT1A/5HT7Rs. In animal assays of depression and anxiety, compound 11 revealed activity in terms of dosage compared to marketed
新的双5HT 1A /5HT 7受体配体是基于带有氟原子的嘌呤-2,6-二酮支架设计的。合成了21个新衍生物,并总结了它们的构效关系。化合物11 (7-(2-(3-氟苯基)-2-氧代乙基)-8-((4-(4-(2-甲氧基苯基)哌嗪-1-基)丁基)氨基)-1,3-二甲基- 3,7-二氢-1H-嘌呤-2,6-二酮)对 5HT 1A R 和 5HT 7 R 表现出最高的亲和力,并且是 5-HT 1A R 最有效的拮抗剂( K b = 0.26 ± 0.1 nM)其活性可以参考参考化合物 NAN-190 ( K b = 0.26 ± 0.1 nM)。实验确定的化合物11的理化参数表明,该化合物在血液中轻微电离,可以穿透血脑屏障。分子对接研究表明,氟取代对 5HT 1A /5HT 7 R 的结合引入了额外的稳定作用。在抑郁和焦虑的动物试验中,与市售精神药物(如氟西汀、西酞普兰和舍曲林)相比,化合物11在剂量方面显示出活性。