Design, synthesis, and structure–activity relationships of pyrimido[4,5- b ]indole-4-amines as microtubule depolymerizing agents that are effective against multidrug resistant cells
作者:Ravi Kumar Vyas Devambatla、Wei Li、Nilesh Zaware、Shruti Choudhary、Ernest Hamel、Susan L. Mooberry、Aleem Gangjee
DOI:10.1016/j.bmcl.2017.05.085
日期:2017.8
vitro. Compounds 2 and 6 also depolymerized microtubules comparable to the lead compound 1. Compounds 2, 3, 6 and 8 were effective in cells expressing P-glycoprotein or the βIII isotype of tubulin, mechanisms that are associated with clinical drug resistance to microtubule targeting drugs. Proton NMR and molecular modeling studies were employed to identify the structural basis for the microtubule depolymerizing
为了鉴定9的结构特征ħ嘧啶并[4,5- b ]吲哚如微管解聚,嘧啶并[4,5- b ]吲哚2 - 8与改变的取代基在2-,4-和设计5-位并合成。2,5-取代-4-氯嘧啶并[4,5-的亲核置换b ]与适当的芳基胺的吲哚是在靶的合成的最后一步的化合物2 - 8。化合物2和6在体外对MDA-MB-435,SK-OV-3和HeLa癌细胞具有两位数的纳摩尔效能(IC 50)。化合物2和6还解聚了微管,可与铅化合物1相媲美。化合物2,3,6和8是有效的在表达P-糖蛋白或微管蛋白的同种型βIII,是与临床耐药性微管靶向药物相关的机制的细胞。质子核磁共振和分子模型研究被用来确定嘧啶[4,5- b ]吲哚的微管解聚活性的结构基础。