申请人:Novartis AG
公开号:US06291523B1
公开(公告)日:2001-09-18
Disclosed are the compounds of formula I
wherein R is methyl or ethyl; R1 is chloro or fluoro; R2 is hydrogen or fluoro; R3 is hydrogen, fluoro, chloro, methyl, ethyl, methoxy, ethoxy or hydroxy; R4 is hydrogen or fluoro; and R5 is chloro, fluoro, trifluoromethyl or methyl; and pharmaceutically acceptable salts thereof, as selective COX-2 cyclooxygenase inhibitors; and pharmaceutically acceptable prodrug esters thereof.
公开的是以下式I的化合物
其中R是甲基或乙基;R1是氯或氟;R2是氢或氟;R3是氢、氟、氯、甲基、乙基、甲氧基、乙氧基或羟基;R4是氢或氟;R5是氯、氟、三氟甲基或甲基;以及其药学上可接受的盐,作为选择性COX-2环氧合酶抑制剂;以及其药学上可接受的前药酯。