Design, synthesis and neuroprotective activities of novel cinnamide derivatives containing benzylpiperazine moiety
作者:Yan Zhong、Xiaofeng Li、Aixia Zhang、Yi Xu、Ping Li、Bin Wu
DOI:10.1007/s00044-018-2153-5
日期:2018.5
A new series of cinnamide derivatives 6a–l were synthesized by the reaction of acyl chlorides with various substituted benzylpiperazines. The structures were characterized by 1H NMR, 13C NMR, and HRMS. The potential neuroprotective activities of cinnamide analogs were evaluated in differentiated rat pheochromocytoma cells (PC12 cells) and in mice subjected to acute cerebral ischemia. Among the series
通过酰氯与各种取代的苄基哌嗪的反应合成了一系列新的肉桂酰胺衍生物6a - 1。结构通过1 H NMR,13 C NMR和HRMS表征。在分化的大鼠嗜铬细胞瘤细胞(PC12细胞)和遭受急性脑缺血的小鼠中评估了肉桂酰胺类似物的潜在神经保护活性。在系列中,6a,6b和6c具有1,3-苯并二恶唑部分的化合物在体内和体外均显示出有效的神经保护作用。选择并进一步研究了这三种化合物,以确定它们的作用机理。MTT分析,Hoechst 33342 / PI双重染色和高含量筛选(HCS)显示,用6a,6b和6c预处理细胞以剂量依赖性方式显着降低了细胞凋亡的程度。蛋白质印迹分析的结果表明,这些化合物通过caspase-3途径抑制了谷氨酸诱导的PC12细胞凋亡。这些化合物可以是用于进一步发现用于治疗脑缺血性中风的神经保护剂的先导化合物。