Picolinamide derivatives, linked to an arylpiperazine moiety, were prepared and their affinity to 5-HT1A, 5-HT2A and 5-HT2C receptors was evaluated. The combination of structural elements (heterocyclic nucleus, alkyl chain and 4-substituted piperazine), known to play critical roles in affinity for serotoninergic receptors, and the proper selection of substituents led to compounds with high specificity
制备了连接至芳基
哌嗪部分的
吡啶甲酸酰胺衍
生物,并评估了它们对5-HT 1A,5-HT 2A和5-HT 2C受体的亲和力。结构元件的组合(杂环核,烷基链和4-取代的
哌嗪),已知在对
血清素受体的亲和力以发挥关键作用,并导致以高特异性和亲和力向
血清素受体的化合物的取代基的正确选择。在结合研究中,几个分子在5-HT 1A,5-HT 2A和5-HT 2C受体的纳摩尔和亚纳摩尔范围内显示出高亲和力,而对其他相关受体(D 1,D 2,α 1和α 2)。Ki = 0.046 nM的N-(2-(4-(
嘧啶-2-基)
哌嗪-1-基)乙基)
吡啶啉酰胺(3o)是5-HT 1A受体的亲和力和选择性最高的衍
生物5-羟
色胺能的
多巴胺能和
肾上腺素能受体。N-(2-(4-(2-(2-
甲氧基苯基)
哌嗪-1-基)乙基)
吡啶啉酰胺(3b)显示对5-HT 2A的亚纳摩尔亲和力,Ki = 0.0224 nM,而N-(2-( 4-(双(