Synthesis and biological evaluation of 1,3-diphenylprop-2-yn-1-ones as dual inhibitors of cyclooxygenases and lipoxygenases
作者:P.N. Praveen Rao、Qiao-Hong Chen、Edward E. Knaus
DOI:10.1016/j.bmcl.2005.07.036
日期:2005.11
A new class of 1,3-diphenylprop-2-yn-1-ones possessing a P-MeSO2 COX-2 phamacophore on the C-3 phenyl ring was designed for evaluation as dual inhibitors of cyclooxygenase (COX) and lipoxygenase (LOX). Among the group of compounds evaluated, 1-(4-fluorophenyl)-3-(4-methanesulfonylphenyl)prop-2-yn-1-one (11j) exhibited excellent COX-2 inhibitory potency (COX-2 IC50 = 0.1 mu M) and selectivity (SI = 300), whereas 1-(4-eyanophenyl)-3-(4-methanesulfonylphenyl)prop-2-yn-1-one (11d) exhibited an optimal combination of COX and LOX inhibition (COX-2 IC50 = 1.0 mu M; COX-2 SI = 31.5; 5-LOX IC50 = 1 -0 mu M; 15-LOX IC50 = 3.2 mu M). (c) 2005 Elsevier Ltd. All rights reserved.
Synthesis and Structure−Activity Relationship Studies of 1,3-Diarylprop-2-yn-1-ones: Dual Inhibitors of Cyclooxygenases and Lipoxygenases
作者:P. N. Praveen Rao、Qiao-Hong Chen、Edward E. Knaus
DOI:10.1021/jm0510474
日期:2006.3.1
(COX-1/2) and 5/15-lipoxygenases (5/15-LOX) that exhibit vivo antiinflammatory and analgesic activities. Among this class of compounds, 3-(4-methanesulfonylphenyl)-1-(4-fluorophenyl)prop-2-yn-1-one (13h) was identified as a potent and selective inhibitor of COX-2 (COX-2 IC50 = 0.1 microM; SI = 300), being 5-fold more potent than rofecoxib (COX-2 IC50 = 0.5 microM; SI > 200). In a rat carrageenan-induced