Abstract
Receptor tyrosine kinase c-Met is an important antitumor drug target. Triazolotriazine analogues 2–10 were prepared efficiently and evaluated the enzymatic and cellular c-Met activities. Brief structure–activity relationships of triazolotriazine core and CF2-quinoline part were investigated, leading to the discovery of compound 8 with nanomolar enzymatic c-Met activity, and subnanomolar MKN45 and EBC-1 cellular potencies. The proposed binding model of 8 and c-Met unraveled that two canonical hydrogen bonds and a π–π stacking interaction formed between the inhibitor and the ATP binding site of c-Met kinase domain, which accounted for its potent c-Met activities.
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Acknowledgements
We thank Shanghai Sailing Program (No. 17YF1423300), the Youth Innovation Promotion Association of CAS (No. 2018324), National Science and Technology Major Project “Key New Drug Creation and Manufacturing Program”, China (No. 2018ZX09711002-011-016), “Strategic Priority Research Program” of the Chinese Academy of Sciences (No. XDA12020228), and the National Natural Science Foundation of China (No. 21702220) for their financial support.
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Guo, Y., Peng, X., Ji, Y. et al. Synthesis of triazolotriazine derivatives as c-Met inhibitors. Mol Divers 25, 839–846 (2021). https://doi.org/10.1007/s11030-020-10067-5
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DOI: https://doi.org/10.1007/s11030-020-10067-5