Multisubstituted quinoxalines and pyrido[2,3-d]pyrimidines: Synthesis and SAR study as tyrosine kinase c-Met inhibitors
作者:Kui Wu、Jing Ai、Qiufeng Liu、TianTian Chen、Ailing Zhao、Xia Peng、Yuanxiang Wang、Yinchun Ji、Qizheng Yao、Yechun Xu、Meiyu Geng、Ao Zhang
DOI:10.1016/j.bmcl.2012.08.075
日期:2012.10
Two series of new analogues were designed by replacing the quinoline scaffold of our earlier lead 2 (zgwatinib) with quinoxaline and pyrido[2,3-d]pyrimidine frameworks. Moderate c-Met inhibitory activity was observed in the quinoxaline series. Among the pyrido[2,3-d]pyrimidine series, compounds 13a–c possessing an O-linkage were inactive, whilst the N-linked analogues 15a–c retained c-Met inhibitory
通过用喹喔啉和吡啶并[2,3- d ]嘧啶骨架取代我们较早的铅2(zgwatinib)的喹啉支架,设计了两个系列的新类似物。在喹喔啉系列中观察到中等的c-Met抑制活性。在吡啶并[2,3- d ]嘧啶系列中,具有O-键的化合物13a - c无活性,而与N-连接的类似物15a - c保留c-Met抑制能力。在3-硝基苄基类似物15b中观察到最高的活性,其IC 50值为6.5 nM。正在对该化合物进行进一步的结构修饰。