Design,synthesis, and biological evaluation of 4-phenoxyquinoline derivatives as potent c-Met kinase inhibitor |
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| Authors: | Yifeng Yang Yingxiu Li Yunlei Hou Mingze Qin Ping Gong Ju Liu Yanfang Zhao |
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| Affiliation: | 1. Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China;2. College of Pharmacy of Liaoning University, Key Laboratory of New Drug Research and Development of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China |
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| Abstract: | A series of novel 4-phenoxyquinoline derivatives containing 3-oxo-3,4-dihydro-quinoxaline moiety were synthesized and evaluated for their antiproliferative activity against five human cancer cell lines (A549, H460, HT-29, MKN-45 and U87MG) in vitro. Most of the tested compounds exhibited more potent inhibitory activities than the positive control foretinib. Compound 1b, 1s and 1t were further examined for their inhibitory activity against c-Met kinase. The most promising compound 1s (with c-Met IC50 value of 1.42 nM) showed remarkable cytotoxicity against A549, H460, HT-29, MKN45 and U87MG cell lines with IC50 values of 0.39 μM, 0.18 μM, 0.38 μM, 0.81 μM, respectively. Their preliminary structure-activity relationships (SARs) study indicated that the replacement of the aromatic ring with the cyclohexane improved their antiproliferative activity. |
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| Keywords: | Corresponding authors. Synthesis 4-Phenoxyquinoline derivatives c-Met inhibitors Antitumor activity |
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