Synthesis and biological evaluation of a novel sigma-1 receptor antagonist based on 3,4-dihydro-2(1H)-quinolinone scaffold as a potential analgesic
作者:Yu Lan、Yin Chen、Xiangqing Xu、Yinli Qiu、Shicheng Liu、Xin Liu、Bi-Feng Liu、Guisen Zhang
DOI:10.1016/j.ejmech.2014.04.019
日期:2014.5
antagonist activity of a new series of 3,4-dihydro-2(1H)-quinolinone derivatives are reported. The new compounds were evaluated in vitro in sigma-1 and sigma-2 receptor-binding assays in guinea pig brain membranes. The structure–activity relationship led us to the promising derivative 7-(3-(piperidin-1-yl)propoxy)-1-(4-fluorobenzyl)-3,4-dihydro-2(1H)-quinolinone (35). The compounds with highest affinity
合成和σ-1受体(σ 1 R)拮抗剂一系列新的3,4-二氢-2(活性ħ)的报告-喹啉酮的衍生物。在豚鼠脑膜中,通过sigma-1和sigma-2受体结合测定法对新化合物进行了体外评估。构效关系使我们得到了有希望的衍生物7-(3-(哌啶-1-基)丙氧基)-1-(4-氟苄基)-3,4-二氢-2(1 H)-喹啉酮(35) 。具有最高的亲和力和选择性最高的化合物进一步成型,和化合物35具有对σ-1受体具有高结合常数(ķ我σ 1 = 1.22nM)和高的sigma-1 / 2选择性(1066倍)。因此,被证明是sigma-1受体拮抗剂的化合物35成为最有趣的候选物。另外,化合物35在福尔马林试验中发挥剂量依赖性的抗伤害感受作用。这些特征表明有效和选择性的化合物35可以是用于疼痛治疗的有效候选物。