Imidazonaphthyridine systems (part 2): Functionalization of the phenyl ring linked to the pyridine pharmacophore and its replacement by a pyridinone ring produces intriguing differences in cytocidal activity
作者:Nicolas Masurier、Eric Debiton、Alicia Jacquemet、Antoine Bussière、Jean-Michel Chezal、Anthony Ollivier、Daté Tétégan、Mounir Andaloussi、Marie-Joseph Galmier、Jacques Lacroix、Damien Canitrot、Jean-Claude Teulade、René C. Gaudreault、Olivier Chavignon、Emmanuel Moreau
DOI:10.1016/j.ejmech.2012.03.011
日期:2012.6
demonstrated at 25 μM. Imidazonaphthyridinones exhibited no DNA binding affinity despite significant growth inhibition activity. Interestingly, when a pyridinone pharmacophore was linked to the imidazo[1,2-a]pyridine scaffold, the geometric orientation of the link had a strong impact on the growth inhibition activity. From these results we conclude that the moderate cytotoxicity observed for these compounds is
我们最近发现,咪唑啉并吡啶系列中的5个和5个假环稠合的环衍生物是有望用于开发新的DNA嵌入剂的热门化合物。在这项研究中,新型(二氢)咪唑并[1,6]和[1,7]萘啶(no)nes包括伪五环在内。针对四种肿瘤细胞系筛选所有合成的化合物。化合物3(b – d)在体外具有明显的细胞毒性,并且在25μM浓度下具有DNA嵌入特性。尽管明显的生长抑制活性,但咪唑并萘啶酮类仍未显示出DNA结合亲和力。有趣的是,将吡啶酮药效团连接到咪唑并[1,2- a]吡啶骨架,链接的几何方向对生长抑制活性有很强的影响。从这些结果,我们得出结论,对于这些化合物观察到的中等细胞毒性与它们的DNA结合和拓扑异构酶抑制活性无关。