[[(Arylpiperazinyl)alkyl]thio]thieno[2,3-<i>d</i>]pyrimidinone Derivatives as High-Affinity, Selective 5-HT<sub>1A</sub> Receptor Ligands
作者:Maria Modica、Maria Santagati、Filippo Russo、Luca Parotti、Luca De Gioia、Carlo Selvaggini、Mario Salmona、Tiziana Mennini
DOI:10.1021/jm950866t
日期:1997.2.1
l)alkyl]thio]thieno[2,3-d]pyrimidin-4 (1H)-one and 3-substituted 2-[[(4-aryl-1-piperazinyl)alky]thio]thieno[2,3-d]pyrimidin-4 (3H)-one derivatives was prepared and evaluated for in vitro 5-HT1A receptor affinity by radioligand binding assays; the selectivity for 5-HT1A receptors rather than alpha 1-adrenoceptors was also examined (ratio of the IC50 alpha 1 to IC50 5-HT1A). The binding tests gave indications
一系列2-[[((4-芳基-1-哌嗪基)烷基]硫代]噻吩并[2,3-d]嘧啶-4(1H)-和3-取代的2-[[((4-芳基-1)制备了-哌嗪基)烷基]硫代]噻吩并[2,3-d]嘧啶-4(3H)-衍生物,并通过放射性配体结合试验评估了其在体外对5-HT1A受体的亲和力。还检查了5-HT1A受体而不是α1-肾上腺素受体的选择性(IC50α1与IC50 5-HT1A之比)。结合测试表明了[(芳基哌嗪基)烷基]硫基部分的最佳特征以及有效和选择性的5-HT1A配体的噻吩和嘧啶酮环上的取代基。从大鼠海马膜上置换[3H] -8-OH-DPAT的最有效衍生物是3-氨基-2-[[3- [4-(2-(2-甲氧基苯基)-1-哌嗪基]丙基]硫基] -5 ,6-二甲基噻吩并[2,3-d]嘧啶-4(3H)-一(70)(IC50 = 0。3 nM),对5-HT1A的选择性比α1-肾上腺素能受体高24。N4哌嗪环上的2-