Synthesis and structure-activity relationships of 1,2,3,4-tetrahydropyrido[2,3-b]pyrazines as potent and selective inhibitors of the anaplastic lymphoma kinase.

Authors: Milkiewicz KL, Weinberg LR, Albom MS, Angeles TS, Cheng M, Ghose AK, Roemmele RC, Theroff JP, Underiner TL, Zificsak CA, Dorsey BD.
Publisher/Year: Bioorg Med Chem. 2010 Jun 15;18(12):4351-62. Epub 2010 Apr 29.
Pub Med ID/Journal ID: PMID:20483621


Dysregulation of the anaplastic lymphoma kinase (ALK) is implicated in a variety of cancers. A series of tetrahydropyrido[2,3-b]pyrazines was constructed as ring-constrained analogs of a known aminopyridine kinase scaffold. Chemistry was developed to rapidly elaborate the SAR, structural elements impacting ALK inhibitory activity were exploited, and kinase selective analogs were identified that inhibit ALK with IC(50) values approximately 10 nM (enzyme) and approximately 150 nM (cell).