Synthesis, biological evaluation and molecular modeling studies of psammaplin A and its analogs as potent histone deacetylases inhibitors and cytotoxic agents
作者:Jiachen Wen、Yu Bao、Qun Niu、Jiang Liu、Jinyu Yang、Wanqiao Wang、Tao Jiang、Yinbo Fan、Kun Li、Jian Wang、Linxiang Zhao、Dan Liu
DOI:10.1016/j.bmcl.2015.12.094
日期:2016.9
In this study, a concise synthetic method of psammaplin A was achieved from 3-bromo-4-hydroxybenzaldahyde and hydantoin through a four-step synthesis via Knoevenagel condensation, hydrolysis, oximation and amidation in 37% overall yield. A collection of novel psammaplin A analogs focused on the variations of substituents at the benzene ring and modifications at the oxime moiety were synthesized. Among
在这项研究中,通过Knoevenagel缩合,水解,肟化和酰胺化的四步合成,由3-溴-4-羟基苯甲酰苯乙醛和乙内酰脲合成了一种简洁的psammaplin A合成方法,总收率为37%。合成了一组新的针对苯环上取代基的变化和肟部分上的修饰的新的psammaplin A类似物。在所有合成的化合物中,5d和5e显示出比psammaplin A更好的HDAC抑制作用,并且对四种癌细胞系(PC-3,MCF-7,A549和HL-60)具有相当的细胞毒性。分子对接和动力学模拟表明,(i)肟基团的氢原子通过水桥连氢键与HDAC1的Asp99相互作用,并且(ii)羟基在苯的对位上最佳连接,