Design, synthesis and evaluation of isaindigotone derivatives as dual inhibitors for acetylcholinesterase and amyloid beta aggregation
作者:Jin-Wu Yan、Yan-Ping Li、Wen-Jie Ye、Shuo-Bin Chen、Jin-Qiang Hou、Jia-Heng Tan、Tian-Miao Ou、Ding Li、Lian-Quan Gu、Zhi-Shu Huang
DOI:10.1016/j.bmc.2012.02.061
日期:2012.4
A series of isaindigotone derivatives and analogues were designed, synthesized and evaluated as dual inhibitors of cholinesterases (ChEs) and self-induced β-amyloid (Aβ) aggregation. The synthetic compounds had IC50 values at micro or nano molar range for cholinesterase inhibition, and some compounds exhibited strong inhibitory activity for AChE and high selectivity for AChE over BuChE, which were
设计,合成和评估了一系列isaindigotone衍生物和类似物,作为胆碱酯酶(ChEs)和自诱导的β-淀粉样蛋白(Aβ)聚集的双重抑制剂。合成的化合物对胆碱酯酶的抑制作用在微摩尔或纳摩尔范围内具有IC 50值,并且某些化合物对AChE的抑制作用强,对AChE的选择性比BuChE高,这要好于我们小组先前报道的异靛酮衍生物。这些化合物中的大多数显示出比参考化合物姜黄素更高的自我诱导的Aβ聚集抑制活性。结构-活性关系研究表明,对AChE具有较高抑制活性的衍生物也显示出对AChE的选择性高于BuChE。化合物6c 使用CD,EM,分子对接和动力学进一步研究了对AChE和自诱导的Aβ聚集均表现出优异抑制作用的分子。