Synthesis and SAR-study for novel arylpiperazine derivatives of 5-arylidenehydantoin with α1-adrenoceptor antagonistic properties
作者:Jadwiga Handzlik、Ewa Szymańska、Renata Wójcik、Anna Dela、Magdalena Jastrzębska-Więsek、Janina Karolak-Wojciechowska、Andrzej Fruziński、Agata Siwek、Barbara Filipek、Katarzyna Kieć-Kononowicz
DOI:10.1016/j.bmc.2012.05.064
日期:2012.7
The study is focused on a series of 5-arylidenehydantoin derivatives with a phenylpiperazine-hydroxypropyl fragment at N3 of the hydantoin ring. The compounds were assessed on their affinity for α1-adrenoceptors and evaluated in functional bioassays for their antagonistic properties. Crystal structures of (Z)-5-(4-chlorobenzylidene)-3-(3-(4-(2-ethoxyphenyl)piperazin-1-yl)-2-hydroxypropyl)imidazolidine-2
该研究集中在一系列5-乙叉基乙内酰脲衍生物上,该衍生物在乙内酰脲环的N3处有一个苯基哌嗪-羟丙基片段。这些化合物进行了评估他们对α亲和力1 -肾上腺素受体和它们的拮抗性质官能生物测定法进行评价。(Z)-5-(4-氯亚苄基)-3-(3-(4-(2-乙氧基苯基)哌嗪-1-基)-2-羟丙基)咪唑烷-2,4-二酮的晶体结构(7)和(Z)-5-(4-氯亚苄基)-3-(2-羟基-3-(4-(2-甲氧基苯基)哌嗪-1-基)丙基)咪唑烷-2,4-二酮的盐酸盐(10a使用X射线衍射法求解。经典的分子力学(MMFFs力场,MCMM,MacroModel)被用于使用7的晶体结构预测化合物5a – 18a的3D结构。被巴尔巴罗的药效团模型和先前研究α结构特性的基础上执行SAR分析1具有乙内酰脲片段-肾上腺素受体拮抗剂。大多数化合物表现出显著亲和力α 1个在纳摩尔范围内(40-290纳米)-ARs。最高活动(K i