Compounds of formula (I) wherein R is hydrogen, lower alkyl, (C3-C8)cycloalkyl, hydroxy, halo, lower alkoxy, trifluoromethoxy, trifluoromethyl or cyano; and A is biaryl, optionally substituted β-naphthyl, bicyclic heterocyclic aryl, (C3-C6)cycloalkylmonocyclic carbocyclic aryl, or (C5 or C6)cycloalkane fused-monocyclic carbocyclic aryl; pharmaceutically acceptable salts thereof, and pharmaceutically acceptable esters thereof; which are useful for the treatment of COX-2 dependent disorders.
式(I)中R为氢、较低的烷基、(C3-C8)环烷基、羟基、卤素、较低的烷氧基、三
氟甲氧基、三
氟甲基或
氰基;A为
联苯、可选择地取代的β-
萘基、双环杂环芳基、(C3-C6)环烷基单环碳环芳基,或(C5或C6)环
烷烃融合的单环碳环芳基;其药学上可接受的盐,以及其药学上可接受的酯;用于治疗COX-2依赖性疾病。