Synthesis and Pharmacological Evaluation of 1-[(1,2-Diphenyl-1<i>H</i>-4-imidazolyl)methyl]-4-phenylpiperazines with Clozapine-Like Mixed Activities at Dopamine D<sub>2</sub>, Serotonin, and GABA<sub>A</sub> Receptors
作者:Battistina Asproni、Amedeo Pau、Mauro Bitti、Marilena Melosu、Riccardo Cerri、Laura Dazzi、Emanuele Seu、Elisabetta Maciocco、Enrico Sanna、Fabio Busonero、Giuseppe Talani、Luca Pusceddu、Cosimo Altomare、Giuseppe Trapani、Giovanni Biggio
DOI:10.1021/jm020848t
日期:2002.10.1
serotonin 5-HT receptors but not to D(2) like receptors. Thus, besides an electron-withdrawing field effect and ortho substitution, which both influence binding to serotonin 5-HT receptor subtypes, though to a different extent as revealed by regression coefficients in the multiparametric regression equations, the affinity of congeners 1a-r to 5-HT(1A) receptors proved to be linearly correlated with volume/polarizability
设计并合成了18种1-[((1,2-二苯基-1H-4-咪唑基)甲基] -4-哌嗪(1a-r)系列化合物,并与多巴胺(DA)D(2)/ 5-羟色胺混合作为可能的配体5-HT(1A)亲和力,目的是鉴定具有与氯氮平相似的神经化学和药理特性的新型化合物。确定在标题化合物的D(2)像5-HT(1A)和5-HT(2A)受体上的结合曲线。在母体化合物(1a)的苯环上进行的修饰产生的同类物具有对DA D(2)的广泛结合亲和力,如5-羟色胺5-HT(1A)和5-HT(2A)受体具有IC (50)值范围从25到> 10,000 nM。至于哌嗪N(4)-苯环的修饰 通过引入邻甲氧基和乙氧基(分别为1b,o),D(2)和5-HT(1A)受体的亲和力逐渐增加。数据显示1g中存在对氯取代基,与相对较高的亲和力和对D(2)样受体的基本选择性相关,而间氯类似物1f对5-HT(1A)受体表现出优先亲和力。定量的结构亲和关系