A multifunctional therapeutic approach: Synthesis, biological evaluation, crystal structure and molecular docking of diversified 1H-pyrazolo[3,4-b]pyridine derivatives against Alzheimer's disease
作者:Tarana Umar、Shruti Shalini、Md Kausar Raza、Siddharth Gusain、Jitendra Kumar、Prerna Seth、Manisha Tiwari、Nasimul Hoda
DOI:10.1016/j.ejmech.2019.04.038
日期:2019.8
2-(piperazin-1-yl)N-(1H-pyrazolo[3,4-b]pyridin-3-yl)acetamides are described as a new class of selective and potent acetylcholinesterase (AChE) inhibitors and amyloid β aggregation inhibitors. Formation of synthesized compounds (P1P9) was justified via H1 NMR, C13 NMR, mass spectra and single crystal X-Ray diffraction study. All compounds were evaluated for their acetylcholinesterase and butyrylcholinesterase
2-(哌嗪-1-基)N-(1H-吡唑并[3,4-b]吡啶-3-基)乙酰胺被描述为一类新型的选择性和有效的乙酰胆碱酯酶(AChE)抑制剂和淀粉样β聚集抑制剂。通过H 1 NMR,C 13 NMR,质谱和单晶X射线衍射研究证明了合成化合物(P1 P9)的形成。评价了所有化合物的乙酰胆碱酯酶和丁酰胆碱酯酶的抑制活性,自身介导的Aβ聚集的抑制和Cu(II)介导的Aβ聚集的抑制。而且,进行的对接研究与体外结果一致。衍生物中最有效的分子表现出出色的抗AChE活性(IC50 = 4.8 nM)。P3的动力学研究表明它是一种混合型抑制剂。体外研究表明,所有化合物均具有抑制自身诱导的β-淀粉样蛋白(Aβ)聚集的能力,最高抑制率为81.65%。的效力P1和P3抑制自诱导Aβ 1-42聚集通过TEM分析确定。还评估了化合物的Aβ分解,抗氧化,金属螯合活性。