New Antipsychotic Agents with Serotonin and Dopamine Antagonist Properties Based on a Pyrrolo[2,1-<i>b</i>][1,3]benzothiazepine Structure
作者:Giuseppe Campiani、Vito Nacci、Susanna Bechelli、Silvia M. Ciani、Antonio Garofalo、Isabella Fiorini、Håkan Wikström、Peter de Boer、Yi Liao、Pieter G. Tepper、Alfredo Cagnotto、Tiziana Mennini
DOI:10.1021/jm9706832
日期:1998.9.1
The development of a synthetic approach to the novel pyrrolo[2, 1-b][1,3]benzothiazepine and its derivatives and their biological evaluation as potential antipsychotic drugs are described. In binding studies these compounds proved to be potent 5-HT2, D2, and D3 receptor ligands. The more potent benzothiazepine (+/-)-3b was resolved into its enantiomers by using HPLC techniques. In vitro testing confirmed
描述了新型吡咯并[2,1-b] [1,3]苯并噻氮杂及其衍生物的合成方法的发展及其作为潜在抗精神病药物的生物学评价。在结合研究中,这些化合物被证明是有效的5-HT2,D2和D3受体配体。通过使用HPLC技术,将更有效的苯并硫氮杂(+/-)-3b拆分为其对映异构体。体外测试证实(-)-3b是更有效的D2受体配体,对5-HT2受体保持高亲和力。相反,(+)-3b对映体对5-HT2的亲和力比对多巴胺D2受体的亲和力高35倍,而多巴胺D1受体的亲和力与(-)-3b相似。总体而言,(+)-3b显示出“非典型”的抗精神病药结合曲线,而(-)-3b具有更“经典”的曲线。此外,药理和生化测试显示,新型苯并噻氮平(+/-)-3b能够增加大鼠纹状体中多巴胺的细胞外水平,并引起剂量相关的阿扑吗啡诱导的运动活性抑制。低剂量(+/-)-3b不会引起僵直,显示出与奥氮平相似的非典型抗精神病药特性。这些杂环化合物代表了