against ovine COX-1 and COX-2. Six compounds bearing a chromen moiety were weak inhibitors of the COX-1 isozyme but showed moderate COX-2 isozyme inhibitory effects (IC50s from 0.37 μM to 0.83 μM) and COX-2 selectivity indexes (SI: 22.49-9.34). Those bearing a benzo[f]chromen moiety were more selective toward COX-2 than those bearing a chromen moiety with IC50s from 0.25 μM to 0.43 μM and COX-2 selectivity
合成了38个带有色烯或苯并[f]色烯部分的
查耳酮衍
生物,并评估了它们的抗炎和镇痛活性。使用耳部
水肿模型,观察到化合物3a-3s(耳部炎症:1.75-3.71 mg)和4a-4s(耳部炎症:1.71-4.94 mg)的抗炎活性。所有化合物还显示出镇痛作用,其抑制值为66.7-100%(3a-3s)和96.2-100%(4a-4s)。测试了显示出出色的抗炎和镇痛作用的12种化合物对绵羊COX-1和COX-2的抑制活性。六种带有色烯部分的化合物是COX-1同工酶的弱
抑制剂,但显示出中等的COX-2同工酶抑制作用(IC50从0.37μM到0.83μM)和COX-2选择性指数(SI:22.49-9.34)。