plethora of side effects. Despite many efforts have been dedicated to reduce undesirable side effects, moderate progress has been made. In this work, starting from Tramadol, a series of 3-((dimethylamino)methyl)-4-hydroxy-4-(3-methoxyphenyl)piperidine-1-carboxamide derivatives were designed and synthesized, and their in vitro and in vivo activities were evaluated. Our campaign afforded selective μ
通过临床使用的阿片类
镇痛药来控制中度至重度疼痛与多种副作用有关。尽管已经做出了许多努力来减少不良副作用,但是已经取得了适度的进展。在这项工作中,从
曲马多开始,设计并合成了一系列的3-((二甲基
氨基)甲基)-
4-羟基-4-(3-
甲氧基苯基)
哌啶-1-羧酰胺衍
生物,它们的体外和体内活性被评估。我们的活动提供了选择性μ阿片受体(MOR)
配体2a(KiMOR:7.3±0.5 nM; KiDOR:849.4±96.6 nM; KiKOR:49.1±6.9 nM)作为有效的镇痛剂,在55°C的热板中具有3.1 mg / kg的ED50。模型。阿片拮抗剂
纳洛酮阻断了其抗伤害作用。化合物2a对MOR的高结合亲和力与
水桥,盐桥,氢键和与MOR的疏
水相互作用。化合物2a对MOR的选择性高于δ阿片受体(DOR)和κ阿片受体(KOR),这是由于化合物2a具有DOR和KOR的位阻。2a,一种具有新型支架的化合物,可作为开发新型阿片样物质
配体的先导。