Structure−Activity Relationships of Pyrazole Derivatives as Cannabinoid Receptor Antagonists
作者:Ruoxi Lan、Qian Liu、Pusheng Fan、Sonyuan Lin、Susanthi R. Fernando、Deirdre McCallion、Roger Pertwee、Alexandros Makriyannis
DOI:10.1021/jm980363y
日期:1999.2.1
and synthesized to aid in the characterization of the cannabinoid receptor binding sites and also to serve as potentially useful pharmacological probes. Therapeutically, such compounds may have the ability to antagonize harmful side effects of cannabinoids and cannabimimetic agents. Structural requirements for potent and selective brain cannabinoid CB1 receptor antagonistic activity included (a) a para-substituted
作为一种有效的脑大麻素受体(CB1)拮抗剂,联芳吡唑N-(哌啶-1-基)-5-(4-氯苯基)-1-(2,4-二氯苯基)-4-甲基-1H -吡唑-3-甲酰胺(SR141716A; 1)是用于启动研究的主要化合物,旨在研究相关化合物的构效关系,并寻找更具选择性和效用的拟大麻素配体。设计并合成了一系列吡唑衍生物,以帮助表征大麻素受体结合位点,并用作潜在有用的药理探针。在治疗上,此类化合物可能具有拮抗大麻素和拟大麻剂的有害副作用的能力。有效和选择性的脑大麻素CB1受体拮抗活性的结构要求包括(a)在5位的对位取代苯环,(b)在3位的羧酰胺基和(c)2,4-二氯苯基在吡唑环的1-位上的取代基。该系列中最有效的化合物在吡唑环的5-位包含对碘苯基,在3-位包含哌啶基羧酰胺和在吡唑环的1-位包含2,4-二氯苯基。该化合物的碘化性质可作为富伽玛SPECT(单光子发射计算机断层扫描)配体,提供额外的实用性,可用