Pyrazolobenzotriazinone Derivatives as COX Inhibitors: Synthesis, Biological Activity, and Molecular-Modeling Studies
作者:Demetrio Raffa、Onofrio Migliara、Benedetta Maggio、Fabiana Plescia、Stella Cascioferro、Maria Grazia Cusimano、Giuseppe Tringali、Carla Cannizzaro、Fulvio Plescia
DOI:10.1002/ardp.200900317
日期:2010.11
acid with sodium nitrite in glacial acetic acid. The biological studies revealed a good pharmacological profile for some pyrazolylbenzotriazinones and, in the case of the ethyl 5‐(4‐oxo‐1,2,3‐benzotriazin‐3(4H)‐yl)‐1‐pyridin‐2‐yl‐1H‐pyrazole‐4‐carboxylate, a good COX‐1/COX‐2 selectivity. Molecular modeling studies confirmed the obtained biological results.
吡唑基苯并三嗪酮与 COX-2 选择性抑制剂塞来昔布具有结构相似性。考虑到我们课题组长期以来对3-吡唑基取代的苯并三嗪酮类抗炎药很感兴趣,通过适时的5-(2-氨基苯甲酰氨基)乙基反应制备了六种新型吡唑基苯并三嗪酮衍生物16a-c和18a-c。 1-(吡啶-2-基)-1H-吡唑-4-羧酸盐或5-(2-氨基苯甲酰氨基)-1-(吡啶-2-基)-1H-吡唑-4-羧酸与冰醋酸中的亚硝酸钠酸。生物学研究表明,一些吡唑基苯并三嗪酮具有良好的药理特性,对于乙基 5- (4- 氧代 - 1,2,3 - 苯并三嗪 - 3 (4H) -yl) -1 - 吡啶 - 2 - yl- 1H-pyrazole-4-carboxylate,良好的COX-1/COX-2选择性。分子模型研究证实了所获得的生物学结果。