Synthesis and Biological Evaluation of Nitrated 7-, 8-, 9-, and 10-Hydroxyindenoisoquinolines as Potential Dual Topoisomerase I (Top1)–Tyrosyl-DNA Phosphodiesterase I (TDP1) Inhibitors
作者:Trung Xuan Nguyen、Monica Abdelmalak、Christophe Marchand、Keli Agama、Yves Pommier、Mark Cushman
DOI:10.1021/acs.jmedchem.5b00136
日期:2015.4.9
The structure–activity relationships and hit-to-lead optimization of dual Top1–TDP1 inhibitors in the indenoisoquinoline drug class were investigated. A series of nitrated 7-, 8-, 9-, and 10-hydroxyindenoisoquinolines were synthesized and evaluated. Several compounds displayed potent dual Top1–TDP1 inhibition. The 9-hydroxy series exhibited potencies and cytotoxicities vs Top1 that surpassed those
研究了茚并异喹啉类药物中双重 Top1-TDP1 抑制剂的结构-活性关系和先导化合物优化。合成并评估了一系列硝化的 7-、8-、9- 和 10-羟基茚并异喹啉。几种化合物表现出有效的双重 Top1-TDP1 抑制作用。与 Top1 相比,9-羟基系列的效力和细胞毒性超过了喜树碱 (CPT),喜树碱是天然生物碱,在 Top1 介导的 DNA 切割测定中用作标准品。该系列的一个成员是浓度为 5 nM 的更有效的 Top1 抑制剂,并产生比 CPT 更稳定的三元药物 - DNA - Top1 裂解复合物。