Rational design, synthesis and biological screening of triazine-triazolopyrimidine hybrids as multitarget anti-Alzheimer agents
作者:Ehtesham Jameel、Poonam Meena、Mudasir Maqbool、Jitendra Kumar、Waqar Ahmed、Syed Mumtazuddin、Manisha Tiwari、Nasimul Hoda、B. Jayaram
DOI:10.1016/j.ejmech.2017.04.064
日期:2017.8
AChE. In addition, these derivatives effectively modulated Aβ self-aggregation as investigated through CD spectroscopy, ThT fluorescence assay and electron microscopy. Besides, these compounds exhibited potential antioxidants (2.15 and 2.91 trolox equivalent by ORAC assay) and metal chelating properties. In silico ADMET profiling highlighted that, these novel triazine derivatives have appropriate drug
为了开发用于治疗阿尔茨海默氏病的有效多靶点配体,我们通过各种光谱技术设计,合成和表征了一系列三嗪-三唑并嘧啶杂化物。用对接和评分技术设计抑制剂并显示其与活性位点关键残基的相互作用。依靠会聚合成路线的有机合成是单和二取代的三嗪与三唑并嘧啶连接,并使用哌嗪作为连接基。总共合成了十七种化合物,其中二取代的三嗪-三唑并嘧啶衍生物9a-d显示出比相应的三取代的三嗪-三唑并嘧啶衍生物更好的乙酰胆碱酯酶(AChE)抑制活性。在基于二取代三嗪-三唑并嘧啶的化合物中,9a和9b对AChE表现出令人鼓舞的抑制活性,IC50值分别为0.065和0.092μM。有趣的是,9a和9b对AChE的抑制选择性也比BuChE高约28倍。此外,动力学分析和分子建模研究表明9a和9b既靶向AChE的催化活性位点,又靶向其外围阴离子位点。此外,如通过CD光谱,ThT荧光测定和电子显微镜研究的,这些衍生物有效地调节了Aβ的自聚集