Design, Synthesis, and Biological Evaluation of Pyrimido[4,5-<i>d</i>]pyrimidine-2,4(1<i>H</i>,3<i>H</i>)-diones as Potent and Selective Epidermal Growth Factor Receptor (EGFR) Inhibitors against L858R/T790M Resistance Mutation
作者:Yongjia Hao、Jiankun Lyu、Rong Qu、Yi Tong、Deheng Sun、Fang Feng、Linjiang Tong、Tingyuan Yang、Zhenjiang Zhao、Lili Zhu、Jian Ding、Yufang Xu、Hua Xie、Honglin Li
DOI:10.1021/acs.jmedchem.8b00346
日期:2018.7.12
gatekeeper mutation. Thus, it is still desirable to develop novel third-generation EGFR inhibitors to overcome T790M mutation while sparing wild-type (WT) EGFR. Herein, a series of pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione derivatives were designed and synthesized, among which the most potent compound 20g not only demonstrated significant inhibitory activity and selectivity for EGFRL858R/T790M and H1975
对于具有EGFR激活突变的非小细胞肺癌(NSCLC)患者,第一代表皮生长因子受体(EGFR)抑制剂吉非替尼和厄洛替尼已初步获得了明显的临床疗效。然而,由于获得性抗药性突变的出现,其临床益处受到了限制。在大多数情况下(约60%),耐药性是由继发性EGFR T790M Gatekeeper突变引起的。因此,仍然需要开发新的第三代EGFR抑制剂以克服T790M突变,同时保留野生型(WT)EGFR。本文设计合成了一系列嘧啶并[4,5 - d ]嘧啶-2,4(1 H,3 H)-二酮衍生物,其中最有效的化合物20g不仅在体外对EGFR L858R / T790M和H1975细胞表现出显着的抑制活性和选择性,而且在H1975异种移植小鼠模型中显示出出色的抗肿瘤效率。在体外和体内水平上令人鼓舞的突变体选择性结果表明,20g可作为有效和选择性EGFR L858R / T790M抑制剂用作有前途的先导化合物,用于进一步的结构优化。