Compounds of the formula (I) and pharmaceutically acceptable salts thereof:
wherein:
the first of R1 and R2 is hydrogen, C1-4 alkyl or phenyl optionally substituted by one or two substituents selected from halogen, CF3, C1-4 alkoxy or alkyl and the second is SR4 wherein R4 is phenyl optionally substituted by halogen, CF3, C1-4 alkoxy or C1-4 alkyl, or NR5R6 wherein Rs and R6 are independently selected from hydrogen, C1-6 alkyl, C3-8 cycloalkyl, phenyl or phenyl C1-4 alkyl either of which phenyl moieties may be substituted by one or two substituents selected from halogen, CF3, C1-4 alkoxy or C1-4 alkyl, or R5 and R6 together form C4-6 polymethylene; and
R3 is hydrogen, C1-4 alkyl or benzyl and is attached at nitrogen atom 1 or 2, having anti-inflammatory activity, a process for their preparation and their use as pharmaceuficals.
式 (I) 的化合物及其药学上可接受的盐类:
其中
R1和R2中的第一个是氢、C1-4烷基或苯基,可任选被一个或两个选自卤素、
CF3、C1-4烷氧基或烷基的取代基取代;第二个是SR4,其中R4是苯基,可任选被卤素、 、C1-4烷氧基或C1-4烷基取代、或 NR5R6,其中 Rs 和 R6 独立选自氢、C1-6 烷基、C3-8 环烷基、苯基或苯基 C1-4 烷基,其中任一苯基可被一个或两个选自卤素、 、C1-4 烷氧基或 C1-4 烷基的取代基取代,或 R5 和 R6 共同形成 C4-6 聚亚甲基;和
R3 是氢、C1-4 烷基或苄基,连接在氮原子 1 或 2 上,具有抗炎活性,其制备方法和药用用途。