Synthesis, in vitro α-glucosidase inhibitory activity and molecular dynamics simulation of some new coumarin-fused 4H-pyran derivatives as potential anti-diabetic agents
作者:Hamideh Ghorbani、Ahmad Ebadi、Mohammad Ali Faramarzi、Somayeh Mojtabavi、Mohammad Mahdavi、Zahra Najafi
DOI:10.1016/j.molstruc.2023.135349
日期:2023.3
Some new coumarin-fused 4H-pyran derivatives were synthesized and assessed against yeast α-glucosidase enzyme. All of the synthesized compounds showed significant inhibitory activity towards the enzyme with IC50 values in range of 30.05 ± 0.5–274.3 ± 1.0 μM in comparison with acarbose, as a standard agent (IC50 = 750.0 μM). Among them, 4-(4-(4-bromobenzyloxy)-3-methoxyphenyl)-2-amino -4,5-dihydro-5-oxopyrano[3
合成了一些新的香豆素融合 4 H-吡喃衍生物,并针对酵母 α-葡萄糖苷酶进行了评估。与作为标准试剂的阿卡波糖 (IC 50 = 750.0 μM)相比,所有合成化合物均显示出对该酶的显着抑制活性,IC 50值在 30.05 ± 0.5–274.3 ± 1.0 μM 范围内。其中,4-(4-(4-溴苄氧基)-3-甲氧基苯基)-2-氨基-4,5-二氢-5-氧代吡喃[3,2- c ]色烯-3-腈(化合物6e )表示最有效的抑制活性。化合物6e的动力学研究表明该化合物以竞争模式抑制 α-葡萄糖苷酶。利用同源建模来确定 α-葡萄糖苷酶的 3D 结构。随后,分子对接和动态模拟研究证实化合物6e成功定位于α-葡萄糖苷酶的活性位点。此外,化合物6e的R-和S-对映体显示出与催化三联体残基(Asp214、Glu276、Asp349)的显着相互作用。ADME 的计算机预测研究结果还表明,这些香豆素融合的 4