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Basic Information
ID: ALA1144228
Journal: Bioorg Med Chem Lett
Title: Isoxazolo[3,4-b]quinoline-3,4(1H,9H)-diones as unique, potent and selective inhibitors for Pim-1 and Pim-2 kinases: chemistry, biological activities, and molecular modeling.
Authors: Tong Y, Stewart KD, Thomas S, Przytulinska M, Johnson EF, Klinghofer V, Leverson J, McCall O, Soni NB, Luo Y, Lin NH, Sowin TJ, Giranda VL, Penning TD.
Abstract: A series of isoxazolo[3,4-b]quinoline-3,4(1H,9H)-diones were synthesized as potent inhibitors against Pim-1 and Pim-2 kinases. The structure-activity-relationship studies started from a high-throughput screening hit and was guided by molecular modeling of inhibitors in the active site of Pim-1 kinase. Installing a hydroxyl group on the benzene ring of the core has the potential to form a key hydrogen bond interaction to the hinge region of the binding pocket and thus resulted in the most potent inhibitor, 19, with K(i) values at 2.5 and 43.5 nM against Pim-1 and Pim-2, respectively. Compound 19 also exhibited an activity profile with a high degree of kinase selectivity.
CiteXplore: 18790640