Add time:08/31/2019         Source:sciencedirect.com

For the purpose of synthesizing drug candidates with desirable bioactivity, a class of benzoyl amide containing nitrogen heterocyclic ring derivatives targeting VEGFR-2 was designed and screened out using Discovery Studio. Eighteen target compounds were synthesized and then selected by some biological trials sequentially including inhibition of VEGFR-2, anti-proliferation in vitro, flow cytometry. Among them, compound 8h showed the best inhibitory activity (IC50 = 0.34 ± 0.02 μM against VEGFR-2, IC50 = 1.08 ± 0.06 μM and 2.44 ± 0.15 μM against MCF-7 and HepG-2, respectively, which were at the same inhibitory level with the commercially antitumor drug: vandetanib). In addition, flow cytometry demonstrated that compound 8h induced MCF-7 cell apoptosis through a cell membrane-mediated pathway. This research highlights the therapeutic potential of novel VEGFR-2 inhibitors in treating cancers and provides a promising strategy for drug discovery.

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