Synthesis, biological evaluation and molecular modeling study of pyrazole and pyrazoline derivatives as selective COX-2 inhibitors and anti-inflammatory agents. Part 2
作者:Magda A.-A. El-Sayed、Naglaa I. Abdel-Aziz、Alaa A.-M. Abdel-Aziz、Adel S. El-Azab、Kamal E.H. ElTahir
DOI:10.1016/j.bmc.2012.03.044
日期:2012.5
anti-inflammatory activity of selected compounds, which are the most selective COX-2 inhibitors in the COX inhibition assay, was investigated in vivo using carrageenan-induced rat paw edema model. Molecular modeling was conducted to study the ability of the active compounds to bind into the active site of COX-2 which revealed a similar binding mode to SC-558, a selective COX-2 inhibitor.
已经合成了新的吡唑和吡唑啉衍生物,并使用体外环氧合酶(COX)抑制试验评估了它们抑制绵羊COX-1 / COX-2同工酶的能力。在测试的化合物中,N -((5-(4-氯苯基)-1-苯基-3-(三氟甲基)-1 H-吡唑-4-基)亚甲基)-3,5-双(三氟甲基)苯胺8d表现出最佳COX-2抑制效能(IC 50 = 0.26 lM)和选择性(SI)=> 192.3]与参考药物塞来昔布(IC 50值为0.28 lM,选择性指数为178.57)。此外,使用角叉菜胶诱导的大鼠爪水肿模型在体内研究了所选化合物的抗炎活性,该化合物是COX抑制测定中最具选择性的COX-2抑制剂。进行了分子建模以研究活性化合物结合到COX-2活性位点的能力,该能力揭示了与选择性COX-2抑制剂SC-558相似的结合模式。