Novel indole and azaindole (pyrrolopyridine) cannabinoid (CB) receptor agonists: Design, synthesis, structure–activity relationships, physicochemical properties and biological activity
作者:Antoni R. Blaazer、Jos H.M. Lange、Martina A.W. van der Neut、Arie Mulder、Femke S. den Boon、Taco R. Werkman、Chris G. Kruse、Wytse J. Wadman
DOI:10.1016/j.ejmech.2011.08.021
日期:2011.10
efforts, several high affinity CB1/CB2 dual cannabinoid receptor ligands were identified. Indole-3-carboxamide 17 displayed single-digit nanomolar affinity and ∼80 fold selectivity for CB1 over the CB2 receptor. The azaindoles displayed substantially improved physicochemical properties (lipophilicity; aqueous solubility). Azaindole 21 elicited potent cannabinoid activity. Cannabinoid receptor agonists 17
报告了一系列新型的大麻素1(CB 1)和大麻素2(CB 2)受体配体的发现,合成和构效关系(SAR)。基于所述aminoalkylindole类大麻素受体激动剂,联苯部分被引入作为新颖的亲脂性的吲哚3-酰基取代基在11 - 16。此外,系绳是与羧酰胺接头取代-3-羰基17 - 20和氮杂吲哚(吡咯并吡啶)核被设计为具有改进的物理化学性质的吲哚生物电子等排在21 - 25。通过这些SAR努力,几个高亲和力CB 1 / CB 2确定了双重大麻素受体配体。吲哚-3-羧酰胺17对CB 1比CB 2受体具有几位数的纳摩尔亲和力和约80倍的选择性。氮杂吲哚显示出显着改善的理化性质(亲脂性;水溶性)。氮杂吲哚21引起有效的大麻素活性。大麻素受体激动剂17和21在大麻素受体调节的神经传递的急性大鼠脑切片模型中有效地调节了兴奋性突触传递。