申请人:American Home Products Corporation
公开号:US05776967A1
公开(公告)日:1998-07-07
This invention provides compounds of formula I having the structure ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are, each, independently, hydrogen, alkyl, alkenyl, alkynyl, alkoxy, aralkoxy, trifluroalkoxy, alkanoyloxy, hydroxy, halo, trifluoromethyl, cyano, amino, mono- or di-alkylamino, alkanamido, or alkanesulfonamido; R.sub.5 is hydrogen, alkyl, alkenyl, alkoxyalkyl or alkylcycloalkyl; R.sub.6 is hydrogen, alkyl or alkenyl; X is oxygen or carbon; A is oxygen or NZ; Z is hydroxyl, alkoxy, aryloxy, carboxyalkyloxy of 2-7 carbon atoms, arylamino, or alkylsulfonyamino of 1-6 carbon atoms; or a pharmaceutically acceptable salt thereof, which are useful in the treatment of arthritic disorders, colorectal cancer, and Alzheimer's disease.
本发明提供了具有结构式I的化合物,其中R1、R2、R3和R4分别独立地为氢、烷基、烯基、炔基、烷氧基、芳基烷氧基、三氟甲氧基、烷酰氧基、羟基、卤素、三氟甲基、氰基、单烷基或二烷基氨基、烷基酰胺基或烷基磺酰胺基;R5为氢、烷基、烯基、烷氧基烷基或烷基环烷基;R6为氢、烷基或烯基;X为氧或碳;A为氧或NZ;Z为羟基、烷氧基、芳基氧基、2-7碳原子的羧酸烷氧基、芳基氨基或1-6碳原子的烷基磺酰氨基;或其药学上可接受的盐,可用于治疗关节炎、结肠癌和阿尔茨海默病。