Synthesis, anti-inflammatory activity and COX-1/COX-2 inhibition of novel substituted cyclic imides. Part 1: Molecular docking study
作者:Alaa A.-M. Abdel-Aziz、Kamal E.H. ElTahir、Yousif A. Asiri
DOI:10.1016/j.ejmech.2011.02.013
日期:2011.5
A group of cyclic imides (1–13) was designed for evaluation as selective COX-2 inhibitors and investigated in vivo for their anti-inflammatory activities using carrageenan-induced rat paw edema model. Compounds 5b, 6b, 11b, 11c, 12b and 12c were proved to be potent COX-2 inhibitors with IC50 range of 0.1–1.0 μM. In vitro COX-1/COX-2 inhibition structure–activity studies identified compound 5b as a
A组的环状酰亚胺的(1 - 13)被设计用于评估作为选择性COX-2抑制剂和研究体内对他们的使用角叉菜胶诱导的大鼠爪水肿模型的抗炎活性。化合物5b,6b,11b,11c,12b和12c被证明是有效的COX-2抑制剂,IC 50范围为0.1–1.0μM。体外COX-1 / COX-2抑制结构的活性研究确定了化合物5b是高效的(IC 50 = 0.1μM)和与塞来昔布[COX-2(SI)> 333.3]相当的选择性[COX-2(SI)= 400],COX-2抑制剂具有出色的抗炎活性(ED 50 = 104 mg / kg)(相对于双氯芬酸(ED 50 = 114 mg / kg)。通过将设计的化合物停靠在COX-2结合位点进行虚拟筛选,以预测这些化合物是否具有与COX-2抑制剂的类似结合模式。分子模型(对接)研究表明,5b的CH 3 O取代基插入COX-2活性位点2°口袋深处,该基团的O原子与His