The Effect of Carboxamide/Sulfonamide Replacement in Arylpiperazinylalkyl Derivatives on Activity to Serotonin and Dopamine Receptors
作者:Piotr Kowalski、Paweł Śliwa、Grzegorz Satała、Rafał Kurczab、Ilona Bartos、Karol Zuchowicz
DOI:10.1002/ardp.201700090
日期:2017.10
both p‐xylyl and benzyl derivatives had the highest affinity for the dopamine D2 receptor (i.e., 16 out of 24 compounds investigated have an affinity below 100 nM). A molecular modeling study of carboxamide 9a and sulfonamide 9b showed that their binding effects to each of 5‐HT1AR and D2R created binding modes interaction with different conserved receptors residues. Structural similarities of carboxamide
制备了一系列甲酰胺和磺酰胺烷基(对二甲苯基和苄基)1-(2-甲氧基苯基)哌嗪(o-OMe-PhP)和 1-(2,3-二氯苯基)哌嗪(2,3-DCPP)类似物并测试了它们与血清素 5-HT1A/5-HT6/5-HT7 和多巴胺 D2 受体结合的亲和力。这种化学修饰让我们探索用磺酰胺基团取代羧酰胺对亲和力变化的影响。在 o-OMe-PhP 和 2,3-DCPP 系列中,羧酰胺与磺酰胺对 5-HT1A/5-HT6/5-HT7 和 D2 受体的相对活性显示出相似的趋势。发现具有对二甲苯基间隔基的羧酰胺/磺酰胺对特定受体具有不同或相似的活性,而在检查的两类羧酰胺和磺酰胺中,磺胺类的苄基衍生物显示出最高的血清素能亲和力,特别是对 5-HT7 受体 (Ki 8-85 nM)。Ki 值表明,无论羧酰胺/磺酰胺区如何,对二甲苯基和苄基衍生物对多巴胺 D2 受体的亲和力最高(即,所研究的 24 种化合物中有 16