Synthesis, characterization, evaluation and molecular dynamics studies of 5, 6–diphenyl–1,2,4–triazin–3(2 H )–one derivatives bearing 5–substituted 1,3,4–oxadiazole as potential anti–inflammatory and analgesic agents
作者:Anupam G. Banerjee、Nirupam Das、Sushant A. Shengule、Radhey Shyam Srivastava、Sushant Kumar Shrivastava
DOI:10.1016/j.ejmech.2015.06.020
日期:2015.8
A series of triazin–3(2H)–one derivatives bearing 1,3,4–oxadiazole (4a–4o) were synthesized, characterized and evaluated for anti–inflammatory and analgesic activities. Preliminary in vitro anti–inflammatory activity was assessed using an albumin denaturation assay. The promising compounds were further evaluated in acute, sub–chronic and chronic animal models of inflammation. Derivatives 4d, 4e, 4g
合成了一系列带有1,3,4-恶二唑(4a-4o)的三嗪-3(2 H)-衍生物,并对其抗炎和镇痛作用进行了评估。使用白蛋白变性测定法评估了初步的体外抗炎活性。有希望的化合物在炎症的急性,亚慢性和慢性动物模型中得到了进一步评估。与标准消炎痛相比,衍生物4d,4e,4g,4j和4l表现出显着的抗炎活性,并降低了致溃疡,肝毒性和肾毒性的负债。这些潜在的衍生物也进行了体内评估使用扭体模型的镇痛活性和福尔马林诱导的小鼠舔足反应。化合物4d,4e和4g表现出相当的镇痛活性,而4j和4l产生中等的镇痛作用。化合物的特异性4D,4E,4克,4J,和4升抑制(环氧合酶1)COX-1和(环氧合酶-2)COX-2同功酶和其动力学还测定通过一个体外COX抑制分析。使用最活跃化合物4d的分子动力学模拟进行计算机对接研究(COX-2 IC 50:3.07μM)在COX-2活动位点。这项练习的结果有助于验证这些化合物与酶的自愿相互作用。