期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 63, 期 24, 页码 15752-15772出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.0c01524
关键词
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ADP-mediated platelet aggregation is signaled through G protein-coupled receptors P2Y(1) and P2Y(12) on the platelet. The clinical effectiveness of inhibiting P2Y(12) has been well established, and preclinical studies indicated that the inhibition of P2Y(1) could provide equivalent antithrombotic efficacy as P2Y(12) antagonists and reduce bleeding risks. On the basis of the 2-phenyl-1Himidazole scaffold of our previously reported xanthine oxidase inhibitor WSJ-557, we first achieved the transition from the xanthine oxidase inhibitors to dual-target antagonists against P2Y(1) and P2Y(12). We described the structure-activity relationships of the 2-phenyl-1H-imidazole compounds, which led to the identification of the most potent antiplatelet agents, 24w and 25w, both showing a rapid onset of action in pharmacokinetic study. Furthermore, the rat model suggested that 24w demonstrated a wider therapeutic window than ticagrelor, displaying equivalent and dose-dependent antithrombotic efficacy with lower blood loss compared to ticagrelor at same oral dose. These results supported that 24w and 25w could be promising drug candidates.
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