当前位置： SCI文献检索 > JOURNAL OF MEDICINAL CHEMISTRY期刊下所有文献 > Discovery and Structural Optimization of N5-Substituted 6,7-Dioxo-6,7-dihydropteridines as Potent and Selective Epidermal Growth Factor Receptor (EGFR) Inhibitors against L858R/T790M Resistance Mutation.

Discovery and Structural Optimization of N5-Substituted 6,7-Dioxo-6,7-dihydropteridines as Potent and Selective Epidermal Growth Factor Receptor (EGFR) Inhibitors against L858R/T790M Resistance Mutation.

Abstract：

:EGFR-targeted inhibitors (gefitinib and erlotinib) provided an effective strategy for the treatment of non-small-cell lung cancer. However, the EGFR T790M secondary mutation has become a leading cause of clinically acquired resistance to these agents. Herein, on the basis of the previously reported irreversible EGFR inhibitor (compound 9), we present a structure-based design approach, which is rationalized via analyzing its binding model and comparing the differences of gatekeeper pocket between the T790M mutant and wild-type (WT) EGFR kinases. Guided by these results, a novel 6,7-dioxo-6,7-dihydropteridine scaffold was discovered and hydrophobic modifications at N5-position were conducted to strengthen nonpolar contacts and improve mutant selectivity over EGFR(WT). Finally, the most representative compound 17d was identified. This work demonstrates the power of structure-based strategy in discovering lead compounds and provides molecular insights into the selectivity of EGFR(L858R/T790M) over EGFR(WT), which may play an important role in designing new classes of mutant-selective EGFR inhibitors.

journal_name

J Med Chem

journal_title

Journal of medicinal chemistry

authors

Hao Y,Wang X,Zhang T,Sun D,Tong Y,Xu Y,Chen H,Tong L,Zhu L,Zhao Z,Chen Z,Ding J,Xie H,Xu Y,Li H

doi

10.1021/acs.jmedchem.6b00403

subject

Has Abstract

pub_date

2016-08-11 00:00:00

pages

7111-24

issue

15

eissn

0022-2623

issn

1520-4804

journal_volume

59

pub_type

杂志文章

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