Inhibition of acetylcholinesterase (AChE) is a common treatment for early stages of Alzheimer's disease. In this study, nine isoxazoles derivatives were tested for their in-vitro AChE activity. The molecular docking showed the interaction of the compounds with the active site.
The isoxazoles were synthesized using 1,3-dipolar cycloaddition in the presence of sodium hypochlorite. They were also isolated and characterized by spectroscopic methods. The in-vitro activity was measured by an adapted version of Ellman's assay.
The isoxazoles are described as inhibitors of AChE. The most potent compound in the series exhibited a moderate inhibitory activity (50% inhibitory concentration = 134.87 μm). The design of new compounds was created by using the RACHEL module of the SYBYL software.
Our research provided enough evidence of the efficacy of isoxazoles as AChE inhibitors. The isoxazoles were synthesized and evaluated as inhibitors of AChE. The docking study based on a novel series of complexes isoxazole with AChE from Electroporus electricus has demonstrated that the ligand bind is similar to the compounds used as reference. To find new candidates with the isoxazole core that act as inhibitors of AChE, part of the structure of the compound 9 was used for de-novo design. Molecular docking models of the ligand-AChE complexes suggest that the compound 10 is located on the periphery of the AChE active site.
抑制乙酰胆碱酯酶(AChE)是早期阿尔茨海默病的常见治疗方法。本研究测试了九种异噁唑衍生物的体外AChE活性。分子对接显示化合物与活性位点的相互作用。
使用次氯酸钠存在下进行1,3-偶极环加成合成异噁唑。通过光谱方法进行分离和表征。体外活性采用改良版Ellman's测定法测量。
异噁唑被描述为AChE的抑制剂。该系列中最有效的化合物表现出中等的抑制活性(50%抑制浓度= 134.87μm)。使用SYBYL软件的RACHEL模块设计了新化合物。
我们的研究提供了足够的证据证明异噁唑作为AChE抑制剂的功效。我们合成和评估了异噁唑作为AChE抑制剂。基于Electroporus electricus中异噁唑与AChE的新系列复合物的对接研究表明,配体结合类似于参考化合物。为了寻找具有异噁唑核心的新候选物作为AChE抑制剂,使用化合物9的一部分结构进行了de-novo设计。配体-AChE复合物的分子对接模型表明,化合物10位于AChE活性位点的周缘。
A novel series of pyridinyl isoxazole derivatives was synthesized and characterized by IR, 1H and 13C NMR and high-resolution mass spectrometry. Geometrical and electronic properties of pyridinyl isoxazole derivative was investigated by using B3LYP/6-31G (d,p) basis sets. The HOMO and LUMO analysis was used to determine the charge transfer within the molecule. The pyridinyl isoxazole derivatives exhibited good docking scores against liver cancer 4MMH. The results revealed clearly compound 2b exhibited better radical scavenging ability. Among the synthesized pyridinyl isoxazole derivatives, compound 2b was highly active on the SKMEL cell line (human skin cancer).
合成了一系列新型吡啶基异噁唑衍生物,并通过红外、1H 和 13C 核磁共振和高分辨质谱法对其进行了表征。对吡啶基异恶唑衍生物的几何和电子特性进行了研究。 使用 B3LYP/6-31G (d,p) 基集研究了吡啶基异恶唑衍生物的几何和电子性质。利用 HOMO 和 LUMO 分析来确定分子内的电荷转移。吡啶基异恶唑 衍生物对肝癌 4MMH 具有良好的对接效果。结果表明 化合物 2b 具有更好的自由基清除能力。在合成的吡啶基异恶唑 在合成的吡啶基异噁唑衍生物中,化合物 2b 对 SKMEL 细胞系(人类皮肤癌)具有很高的活性。