Synthesis and biological evaluation of new 4-carboxyl quinoline derivatives as cyclooxygenase-2 inhibitors
作者:Afshin Zarghi、Razieh Ghodsi、Ebrahim Azizi、Bahram Daraie、Mehdi Hedayati、Orkideh G. Dadrass
DOI:10.1016/j.bmc.2009.05.084
日期:2009.7
A group of 4-carboxyl quinoline derivatives possessing a methylsulfonyl COX-2 pharmacophore at the para position of the C-2 phenyl ring were designed and synthesized as selective COX-2 inhibitors. In vitro COX-1/COX-2 structure–activity relationships were determined by varying the substituents on the C-7 and C-8 quinoline ring. Among the 4-carboxyl quinolines, 7,8,9,10-tetrahydro-2-(4-(methyl sulf
设计并合成了一组在C-2苯环对位具有甲基磺酰基COX-2药效基团的4-羧基喹啉衍生物,作为选择性COX-2抑制剂。通过改变C-7和C-8喹啉环上的取代基来确定体外COX-1 / COX-2的构效关系。在4-羧基喹啉中,将7,8,9,10-四氢-2-(4-(甲基磺酰基)苯基)苯并[ h ]喹啉-4-羧酸(9e)鉴定为有效且高选择性的COX- 2种抑制剂(COX-2 IC 50 = 0.043μM;选择性指数> 513)比参考药物塞来昔布(COX-2 IC 50 = 0.060μM; SI = 405)更有效。分子建模研究,其中9e在COX-2的结合位点对接表明,C-2苯环上的p -MeSO 2取代基位于COX-2二级口袋(Arg513,Phe518和Val523)附近,并且羧基可以相互作用与Arg120。获得的结构活性数据表明,C-7和C-8喹啉环上亲脂性取代基的存在对COX-2抑制活性很重要。