Improving selectivity preserving affinity: New piperidine-4-carboxamide derivatives as effective sigma-1-ligands
作者:Daniele Zampieri、Erik Laurini、Luciano Vio、Maurizio Fermeglia、Sabrina Pricl、Bernhard Wünsch、Dirk Schepmann、Maria Grazia Mamolo
DOI:10.1016/j.ejmech.2014.12.018
日期:2015.1
and σ2 receptors of a series of new piperidine-4-carboxamide derivatives variously substituted on the amide nitrogen atom. Specifically, we assessed the effects exerted on σ receptor affinity by substituting the N-benzylcarboxamide group present on a series of compounds previously synthesized in our laboratory with different cyclic or linear moieties. The synthesized compounds 2a–o were tested to estimate
我们报告针对σ的设计,合成和结合的评价1和σ 2受体的一系列新的哌啶-4-羧酰胺衍生物各种取代的酰胺氮原子的。具体来说,我们通过取代以前在我们实验室中合成的具有不同环状或线性部分的一系列化合物上存在的N-苄基羧酰胺基团,评估了对σ受体亲和力的影响。合成的化合物2A - ö进行测试,以估计朝向σ其亲和力和选择性1和σ 2个受体。非常高的σ 1亲和力(K我 = 3.7纳米)和K我σ 2 / K我σ 1个选择性比率(351)被发现为四氢喹啉衍生物2K,具有连接到哌啶氮原子的4-氯苄基部分。