Compounds of formula (I) and pharmaceutically accept- bie salts thereof:
wherein:
X is NR wherein R is hydrogen or C1-6 alkyl, oxygen, sulphur, SO or SO2:
R, is COR5 wherein R6 is hydroxy, or COR5 is a pharmaceutically acceptable ester or amide group; or CF3; and R2 is hydrogen, C1-6 alkyl or phenyl optionally substituted by halogen, CF3, C1-4 alkoxy or C1-4 alkyl; or R2 is COR6 as defined or CF3 and R1 is hydrogen;
R3 is C1-10 alkyl, optionally substituted by hydroxy, C1-4 alkoxy, thiol, C1-4 alkylthio or NR6R7 herein R6 and R7 are Independently hydrogen or C1-6 alkyl or together are C3-6 polymethlene; C2-10 alkenyl or phenyl optionally substituted by one or two of halogen, CF3, C1-4 alkoxy, C1-4 alkyl, hydroxy, nitro, cyano, C2-10 acyloxy, NR8R9 wherein R8 and R9 are independently selected from hydrogen, C1-6 alkyl, C2-7 alkanoyl or C1-6 alkylsulphonyl or COR10 wherein R10 is hydroxy, C1-6 alkoxy or NR11R12 wherein R11 and R12 are independently selected from hydrogen or C1-6 alkyl; and
R4 is hydrogen: or C1-4 alkyl or benzyl attached at nitrogen atom 1 or 2 having anti-inflammatory and/or anti-allergy activity, a process for their preparation and their use as pharmaceuticals.
式 (I) 化合物及其药用盐:
其中
X 是 NR,其中 R 是氢或 C1-6 烷基、氧、
硫、SO 或 SO2:
R,是 COR5,其中 R6 是羟基,或 COR5 是药学上可接受的酯基或酰胺基;或
CF3;R2 是氢、C1-6 烷基或任选被卤素、 、C1-4 烷氧基或 C1-4 烷基取代的苯基;或 R2 是所定义的 COR6 或 ,R1 是氢;
R3 是 C1-10 烷基,可选择被羟基、C1-4 烷氧基、
硫醇、C1-4 烷
硫基或 NR6R7 取代,其中 R6 和 R7 分别是氢或 C1-6 烷基,或一起是 C3-6 聚亚甲基;C2-10烯基或苯基,可选择被卤素、 、C1-4烷氧基、C1-4烷基、羟基、硝基、
氰基、C2-10酰氧基、NR8R9(其中R8和R9独立地选自氢、C1-6烷基、C2-7烷酰基或C1-6烷基磺酰基)或COR10(其中R10是羟基、C1-6烷氧基或NR11R12(其中R11和R12独立地选自氢或C1-6烷基)中的一个或两个取代;和
R4 是氢:或连接在氮原子 1 或 2 上的 C1-4 烷基或苄基,具有抗炎和/或抗过敏活性,其制备方法和药物用途。