申请人:The Boots Company PLC
公开号:US05464781A1
公开(公告)日:1995-11-07
This invention relates to compounds of formula I and pharmaceutically acceptable salts thereof ##STR1## in which R.sub.1 represents hydrogen, alkyl, hydroxy, carboxyalkenyl, alkoxycarbonyalkenyl, hydroxyalkyl, carboxyalkyl, alkoxycarbonylalkyl, alkoxy, halogenated alkyl, carboxy alkoxycarbonyl or alkanoylamino; R.sub.2 represents hydrogen, halo, alkoxy, hydroxy, alkanoyloxy, or phenoxy; R.sub.3 represents hydrogen or alkyl; R.sub.4 represents hydrogen, halo, alkoxycarbonyl, a benzyloxycarbonyl, alkanoyl, benzoyl, carbamoyl, alkyl, carboxy, hydroxyalkyl or alkylthio; R.sub.5 represents hydrogen or alkyl; R.sub.6 represents hydrogen, alkyl [optionally substituted by one or more of the following: hydroxy, halo or an amino group of formula --NR.sub.12 R.sub.13 ], a C.sub.3-12 alicyclic hydrocarbon group, phenyl, (cycloalkyl)alkyl or benzyl; R.sub.7 represents hydrogen, halo, trifluoromethyl, trifluoromethoxy, alkyl, carboxy, or alkoxy; R.sub.8 represents hydrogen, halo, trifluoromethyl, trifluoromethoxy, alkyl or alkoxy; and R.sub.9 represents hydrogen or alkyl; which are antirheumatic agents. Compositions containing these compounds and processes to make them are also disclosed.
本发明涉及式I的化合物及其药学上可接受的盐##STR1##其中R.sub.1代表氢、烷基、羟基、羧基烯基、烷氧羰基烯基、羟基烷基、羧基烷基、烷氧羰基烷基、烷氧基、卤代烷基、羧基烷氧羰基或醇酰胺基;R.sub.2代表氢、卤素、烷氧基、羟基、醇酰氧基或苯氧基;R.sub.3代表氢或烷基;R.sub.4代表氢、卤素、烷氧羰基、苄氧羰基、醇酰基、苯甲酰基、氨基甲酰基、烷基、羧基、羟基烷基或烷基硫;R.sub.5代表氢或烷基;R.sub.6代表氢、烷基[可选择地由以下之一或多个取代:羟基、卤素或式--NR.sub.12 R.sub.13的氨基团]、C.sub.3-12脂环烃基、苯基、(环烷基)烷基或苯基;R.sub.7代表氢、卤素、三氟甲基、三氟甲氧基、烷基、羧基或烷氧基;R.sub.8代表氢、卤素、三氟甲基、三氟甲氧基、烷基或烷氧基;R.sub.9代表氢或烷基;它们是抗风湿药物。还公开了含有这些化合物的组合物和制备它们的方法。