Discovery and optimization of 4-anilinoquinazoline derivatives spanning ATP binding site and allosteric site as effective EGFR-C797S inhibitors
作者:Dou Dou、Jie Wang、Yunjin Qiao、Gulinuer Wumaier、Wenjie Sha、Wenjie Li、Wenyi Mei、Tingyuan Yang、Chen Zhang、Huan He、Caolin Wang、Linna Chu、Baihui Sun、Rongrong Su、Xiangyu Ma、Mengdie Gong、Lijuan Xie、Wenzhe Jiang、Yanyan Diao、Lili Zhu、Zhenjiang Zhao、Zhuo Chen、Yufang Xu、Shengqing Li、Honglin Li
DOI:10.1016/j.ejmech.2022.114856
日期:2022.12
drug target for the treatment of non-small cell lung cancer (NSCLC). However, a tertiary point mutation (C797S) at the ATP binding pocket of the EGFR induces resistance to the third-generation EGFR inhibitors, due to the loss of covalent interaction with Cys797. Here, we designed a series of 4-anilinoquinazoline derivatives that simultaneously occupied the ATP binding pocket and the allosteric site
表皮生长因子受体 (EGFR) 是治疗非小细胞肺癌 (NSCLC) 的有效药物靶点。然而,由于与 Cys797 的共价相互作用丧失,EGFR 的 ATP 结合口袋处的三级点突变 (C797S) 诱导了对第三代 EGFR 抑制剂的耐药性。在这里,我们设计了一系列同时占据 ATP 结合口袋和变构位点的 4-苯胺基喹唑啉衍生物。新合成的化合物对 EGFR-C797S 抗性突变显示出高效力。其中,化合物14d对 BaF3-EGFR L858R/T790M/C797S (IC 50 = 0.75 μM) 和 BaF3-EGFR 19del/T790M/C797S (IC 50 = 0.09 μM) 细胞。此外,14d在 BaF3-EGFR 19del/T790M/C797S细胞中以剂量依赖的方式对 EGFR 及其下游信号通路产生明显的抑制活性。最后,14d显着抑制 BaF3-EGFR 19del/