期刊
BIOORGANIC CHEMISTRY
卷 115, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2021.105240
关键词
Quinoline derivatives; Iodine catalysis; Structure activity relationship; Molecular docking studies; Human nucleoside triphosphate diphosphohydrolases (h-NTPDases)
资金
- Higher Education Commission (HEC) Pakistan [20-3885/RD/HEC/14]
- German Academic Exchange Service (DAAD)
- Natural Sciences and Engineering Research Council of Canada [RGPIN-2016-05867]
A series of substituted quinoline derivatives were synthesized and evaluated for their inhibitory activities against human nucleoside triphosphate diphosphohydrolases (h-NTPDases), showing some compounds with significant activity and selectivity towards specific isoenzymes. Molecular docking studies further confirmed the potential of quinoline scaffold as potent and selective NTPDase inhibitors.
Quinoline derivatives have interesting biological profile. In continuation for the comprehensive evaluations of substituted quinoline derivatives against human nucleoside triphosphate diphosphohydrolases (h-NTPDases) a series of substituted quinoline derivatives (2a-g, 3a-f, 4, 5a-c, 6) was synthesized. The inhibitory activities of the synthesized compounds were evaluated against four isoenzymes of human nucleoside triphosphate diphosphohydrolases (h-NTPDases). These quinoline derivatives had IC50 (mu M) values in the range of 0.20-1.75, 0.77-2.20, 0.36-5.50 and 0.90-1.82 for NTPDase1, NTPDase2, NTPDase3 and NTPDase8, respectively. The derivative 3f was the most active compound against NTPDase1 (IC50, 0.20 +/- 0.02 mu M) that also possessed selectivity towards NTPDase1. Similarly, derivative 3b (IC50, 0.77 +/- 0.06), 2h (IC50, 0.36 +/- 0.01) and 2c (IC50, 0.90 +/- 0.08) displayed excellent activity corresponding to NTPDase2, NTPDase3 and NTPdase8. The compound 5c emerged as a selective inhibitor of NTPDase8. The most active compounds were then investigated to determine their mode of inhibition and finally binding interactions of the active compounds were analyzed through molecular docking studies. The obtained results strongly support the quinoline scaffold's potential as potent and selective NTPDase inhibitor.
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