Amino substituted benzimidazo[1,2- a ]quinolines: Antiproliferative potency, 3D QSAR study and DNA binding properties
作者:Nataša Perin、Raja Nhili、Maja Cindrić、Branimir Bertoša、Darko Vušak、Irena Martin-Kleiner、William Laine、Grace Karminski-Zamola、Marijeta Kralj、Marie-Hélène David-Cordonnier、Marijana Hranjec
DOI:10.1016/j.ejmech.2016.07.007
日期:2016.10
We describe the synthesis, 3D-derived quantitative structure-activity relationship (QSAR), antiproliferative activity and DNA binding properties of a series of 2-amino, 5-amino and 2,5-diamino substituted benzimidazo[1,2-a]quinolines prepared by environmentally friendly uncatalyzed microwave assisted amination. The antiproliferative activities were assessed in vitro against colon, lung and breast carcinoma
我们描述了一系列2-氨基,5-氨基和2,5-二氨基取代的苯并咪唑并[1,2- a ]喹啉的合成,3D衍生的定量结构-活性关系(QSAR),抗增殖活性和DNA结合特性由环保的未催化微波辅助胺化制得。体外评估抗增殖活性针对结肠,肺和乳腺癌细胞系;活性范围从亚微摩尔到微摩尔。2-氨基取代的类似物证明了最强的抗增殖活性,而5-氨基和或2,5-二氨基取代的衍生物的活性却低得多。带有4-甲基-或3,5-二甲基-1-哌嗪基取代基的衍生物是最活跃的。使用熔融温度研究,一系列光谱研究(UV / Visible,荧光和圆二色性)和生化实验研究了本文制备的选定取代的苯并咪唑并[1,2- a ]喹啉的DNA结合特性和相互作用方式。拓扑异构酶I介导的DNA松弛和DNase I足迹实验)。都复合36它的双季碘盐37插在DNA螺旋的相邻碱基对之间,而化合物33的拓扑异构酶I毒性很弱。进行了3D-QSAR分析,以鉴定氢键