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Synthesis and biological evaluation of 4(5)-(6-alkylpyridin-2-yl)imidazoles as transforming growth factor-β type 1 receptor kinase inhibitors

Journal of Medicinal Chemistry, ISSN: 0022-2623, Vol: 50, Issue: 13, Page: 3143-3147
2007
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Article Description

A series of 4(5)-(6-alkylpyridin-2-yl)imidazoles 13a-p, 17a, and 17b have been synthesized and evaluated for ALK5 inhibitory activity in an enzyme assay and in cell-based luciferase reporter assays. The quinoxalinyl analogue 13e inhibited ALK5 phosphorylation with an IC of 0.012 μM and showed more than 90% inhibition at 0.05 μM in a luciferase reporter assay using HaCaT cells transiently transfected with p3TP-luc reporter construct. The binding mode of 13e generated by flexible docking studies shows that 13e fits well into the active site cavity of ALK5 by forming several tight interactions. © 2007 American Chemical Society.

Bibliographic Details

Kim, Dae-Kee; Jang, Yoojeung; Lee, Ho Soon; Park, Hyun-Ju; Yoo, Jakyung

American Chemical Society (ACS)

Biochemistry, Genetics and Molecular Biology; Pharmacology, Toxicology and Pharmaceutics

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