Synthesis and Biological Evaluation of the 1-Arylpyrazole Class of σ<sub>1</sub> Receptor Antagonists: Identification of 4-{2-[5-Methyl-1-(naphthalen-2-yl)-1<i>H</i>-pyrazol-3-yloxy]ethyl}morpholine (S1RA, E-52862)
作者:José Luis Díaz、Rosa Cuberes、Joana Berrocal、Montserrat Contijoch、Ute Christmann、Ariadna Fernández、Adriana Port、Jörg Holenz、Helmut Buschmann、Christian Laggner、Maria Teresa Serafini、Javier Burgueño、Daniel Zamanillo、Manuel Merlos、José Miguel Vela、Carmen Almansa
DOI:10.1021/jm3007323
日期:2012.10.11
yl}morpholine (S1RA, E-52862), which showed high activity in the mouse capsaicin model of neurogenic pain, emerged as the most interesting candidate. In addition, compound 28 exerted dose-dependent antinociceptive effects in several neuropathic pain models. This, together with its good physicochemical, safety, and ADME properties, led compound 28 to be selected as clinical candidate.
合成和一系列新的1-芳基吡唑作为有效的σ的药理活性1(σ受体1个R)报道拮抗剂。新化合物在体外进行了评价在人σ 1 R和豚鼠σ 2受体(σ 2 R)结合测定。吡唑取代基的性质对于活性至关重要,并且根据已知的受体药效基团,碱性胺被证明是必需的。各种各样的氨基和吡唑基团之间胺和间隔的长度被容忍,但只有亚乙氧基间隔物和小环胺具有足够的选择性的化合物为σ 1 - [R VSσ 2R.最选择性化合物进一步成型,和化合物28,4- 2- [5-甲基-1-(萘-2-基)-1- ħ吡唑-3-基氧基]乙基}吗啉(S1RA,E -52862)在小鼠辣椒素神经性疼痛模型中表现出高活性,因此成为最有趣的候选药物。另外,化合物28在几种神经性疼痛模型中具有剂量依赖性的镇痛作用。加上其良好的物理化学,安全性和ADME特性,使得化合物28被选为临床候选药物。