Design, synthesis and biological evaluation of potent EGFR kinase inhibitors against 19D/T790M/C797S mutation
作者:Zhicheng Su、Tingyuan Yang、Jie Wang、Mengzhen Lai、Linjiang Tong、Gulinuer Wumaier、Zhuo Chen、Shengqing Li、Honglin Li、Hua Xie、Zhenjiang Zhao
DOI:10.1016/j.bmcl.2020.127327
日期:2020.8
the terminal hydroxyl of alkyl chain to increase extra interaction with the Asp855 in the conservative DFG site. Activity evaluation, structure-activity relationship and docking analysis were also carried out. Among them, compound 12e displayed significant inhibitory activity against EGFR19D/T790M/C797S (IC50 = 15.3 nM) and good selectivity over EGFR WT (IC50 > 1000 nM), L858R/T790M (IC50, 156.6 nM) and
EGFR抑制剂的功效经常受到获得性耐药的影响。EGFR 19D / T790M / C797S突变是在使用第三代EGFR抑制剂(例如AZD9291,CO1686和Olmutinib)治疗后出现耐药性的主要原因之一。为了克服19D / T790M / C797S的抗性突变,我们设计并制备了一系列带有烷基末端羟基的吲哚衍生物,以增加在保守DFG位点与Asp855的额外相互作用。还进行了活性评估,构效关系和对接分析。其中,化合物12e对EGFR 19D / T790M / C797S表现出显着的抑制活性(IC 50 = 15.3 nM),并且对EGFR WT的选择性很好(IC50 > 1000纳米),L858R / T790M(IC 50,156.6纳米)和L858R / T790M / C797S(IC 50分别为218.3纳米)。此外,12e通过抑制EGFR磷酸化信号通路,在BaF3 /