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  • Title: Design, synthesis, and biological activity of phenyl-pyrazole derivatives as BCR-ABL kinase inhibitors.
    Author: Hu L, Zheng Y, Li Z, Wang Y, Lv Y, Qin X, Zeng C.
    Journal: Bioorg Med Chem; 2015 Jul 01; 23(13):3147-52. PubMed ID: 26022079.
    Abstract:
    4-(Pyridin-3-yl)-1H-pyrazol-1-yl-phenyl-3-benzamide derivatives have been proposed as new BCR-ABL tyrosine kinase inhibitors by using combinational strategies of scaffold hopping and conformational constraint. In the present study, a series of 4-(pyridin-3-yl)-1H-pyrazol-1-yl-phenyl-3-benzamide derivatives were synthesized and their activities against BCR-ABL1 kinase in vitro were evaluated by using Kinase-Glo assay. All new compounds showed from moderate to potent activities against wild-type (wt) BCR-ABL1 kinase with an IC50 range from 14.2 to 326.0nM. Among them, seven compounds exhibited BCR-ABL1 kinase inhibitory activities with IC50 values less than 50nM. Compound 7a displayed the most potent inhibitory activity to BCR-ABL kinase (IC50: 14.2nM). Docking simulation was performed for compounds 7a and 7i into the BCR-ABL kinase structure active site to determine the probable binding model. The preliminary structure-activity relationship was discussed. The interesting activities of these compounds may make them promising candidates as therapeutic agents for chronic myelogenous leukemia.
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