Abstract:
:To address drug resistance caused by ALK kinase mutations, especially the most refractory and predominant mutation G1202R for the second-generation ALK inhibitor, a series of new diarylaminopyrimidine analogues were designed by incorporating a resorcinol moiety (A-ring) to interact the ALK kinase domain where the G1202R is located. Compound 12d turns out as the most potent with IC50 values of 1.7, 3.5, and 1.8 nM against ALK wild type, gatekeeper mutant L1196M, and the G1202R mutant, respectively. More importantly, compound 12d has excellent inhibitory effects against the proliferation of BaF3 cells specifically expressing ALK wild type, gatekeeper L1196M, and the most challenging mutant G1202R, with IC50 values all less than 1.5 nM. Collectively, compound 12d is worthy of further investigation as a new more potent third-generation ALK inhibitor to circumvent drug resistance of both the first-generation and the second-generation inhibitors.
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Geng K,Xia Z,Ji Y,Zhang RR,Sun D,Ai J,Song Z,Geng M,Zhang Adoi
10.1016/j.ejmech.2017.12.060subject
Has Abstractpub_date
2018-01-20 00:00:00pages
386-397eissn
0223-5234issn
1768-3254pii
S0223-5234(17)31091-7journal_volume
144pub_type
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