Novel 5-substituted 1H-tetrazoles as cyclooxygenase-2 (COX-2) inhibitors
摘要:
A series of novel 5-substituted 1H-tetrazoles as cyclooxygenase-2 (COX-2) inhibitors was prepared via treatment of various diaryl amides with tetrachlorosilane/sodium azide. All compounds were tested in cyclooxygenase (COX) assays in vitro to determine COX-1 and COX-2 inhibitory potency and selectivity. Tetrazoles contained a methylsulfonyl or sulfonamide group as COX-2 pharmacophore displayed only low inhibitory potency towards COX-2. Most potent compounds showed IC50 values of 6 and 7 mu M for COX-2. All compounds showed IC50 values greater 100 mu M for COX-1 inhibition. (C) 2012 Elsevier Ltd. All rights reserved.
<i>meta</i>-Substituted benzenesulfonamide: a potent scaffold for the development of metallo-β-lactamase ImiS inhibitors
作者:Ya Liu、Cheng Chen、Le-Yun Sun、Han Gao、Jian-Bin Zhen、Ke-Wu Yang
DOI:10.1039/c9md00455f
日期:——
relationship revealed that the meta-substitutes improved the inhibitory activity of the inhibitors. Isothermal titration calorimetry (ITC) assays showed that 2g reversibly inhibited ImiS. The benzenesulfonamides exhibited synergistic antibacterial effects against E. coli BL21 (DE3) cells with ImiS, resulting in a 2–4-fold reduction in the MIC of imipenem and meropenem. Also, mouse experiments showed
A series of novel 5-substituted 1H-tetrazoles as cyclooxygenase-2 (COX-2) inhibitors was prepared via treatment of various diaryl amides with tetrachlorosilane/sodium azide. All compounds were tested in cyclooxygenase (COX) assays in vitro to determine COX-1 and COX-2 inhibitory potency and selectivity. Tetrazoles contained a methylsulfonyl or sulfonamide group as COX-2 pharmacophore displayed only low inhibitory potency towards COX-2. Most potent compounds showed IC50 values of 6 and 7 mu M for COX-2. All compounds showed IC50 values greater 100 mu M for COX-1 inhibition. (C) 2012 Elsevier Ltd. All rights reserved.