6,7-Dimethoxy-2-{2-[4-(1<i>H</i>-1,2,3-triazol-1-yl)phenyl]ethyl}-1,2,3,4-tetrahydroisoquinolines as Superior Reversal Agents for P-Glycoprotein-Mediated Multidrug Resistance
作者:Baomin Liu、Qianqian Qiu、Tianxiao Zhao、Lei Jiao、Yunman Li、Wenlong Huang、Hai Qian
DOI:10.1002/cmdc.201402463
日期:2015.2
P‐glycoprotein (P‐gp)‐mediated multidrug resistance (MDR) is a major obstacle for successful cancer chemotherapy. Based on our previous study, 17 novel compounds with the 6,7‐dimethoxy‐2‐2‐[4‐(1H‐1,2,3‐triazol‐1‐yl)phenyl]ethyl}‐1,2,3,4‐tetrahydroisoquinoline scaffold were designed and synthesized. Among them, 2‐[(1‐4‐[2‐(6,7‐dimethoxy‐3,4‐dihydroisoquinolin‐2(1H)‐yl)ethyl]phenyl}‐1H‐1,2,3‐triazol‐4‐yl)
P-糖蛋白(P-gp)介导的多药耐药性(MDR)是成功进行癌症化疗的主要障碍。根据我们先前的研究,发现了17种具有6,7-二甲氧基-2- 2- [4-(1 H -1,2,3-三唑--1-基)苯基]乙基} -1,2-的新型化合物,设计并合成了3,4-四氢异喹啉支架。其中2-[((1- 4- [2-(6,7-二甲氧基-3,4-二氢异喹啉-2(1 H)-基)乙基]苯基] -1 H -1,2,3-三唑-4-基)甲氧基] -N-(对甲苯基)苯甲酰胺(化合物7 h)被确定为P-gp介导的MDR的有效调节剂,具有高效力(EC 50 = 127.5±9.1 n M),在K562 / A02细胞中逆转对阿霉素(DOX)的耐药性时,细胞毒性较低(TI> 784.3),且持续时间较长(> 24小时)。化合物7 h还增强了其他与MDR相关的细胞毒性剂(紫杉醇,长春碱和柔红霉素)的作用,增加了DOX的积累并阻止了K562