Discovery of aminocyclohexene analogues as selective and orally bioavailable hNav1.7 inhibitors for analgesia.
Bioorganic & Medicinal Chemistry Letters(2017)
摘要
hNav1.7 receives a lot of attention owing to its attractive mechanism of action in pain processing pathway. We have previously reported our design of a novel series of tetrahydropyridine analogues towards hNav1.7 selective inhibitors. Herein, we disclose further efforts to the optimization of hit compound (−)-6, which led to the identification of aminocyclohexene analogues (−)-9 and (−)-17 with good potency, high selectivity, and minimal CYP inhibition. Both compounds (−)-9 and (−)-17 demonstrated improved pharmacokinetic profiles in rats, and robust efficacy in rat formalin-induced nociception and spinal nerve ligation (SNL) models.
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关键词
Voltage-gated sodium channal,hNav1.7,Aminocyclohexene,Pain,Analgesia
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