NOVEL COMPOUNDS

摘要

Compounds of the general formula I (I) in which: R1 and R2 are independently hydrogen, C1-6 alkyl or together are a group X which is C3-6 polymethylene optionally in which one carbon atom is replaced by O, S or NR6 wherein R6 is hydrogen or C1-6 alkyl; R3 is a mono- or fused bi-cyclic heteroaromatic group having up to ten atoms in the aromatic ring(s), not more than four of which are selected from nitrogen, oxygen or sulphur, optionally C-substituted by one or more substituents selected from halogen, CF3, nitro, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C2-7 alkanoyl or cyano; or is phenyl or naphthyl, optionally substituted by one or more substituents selected from halogen, CF3, nitro, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C2-7 alkanoyl, carboxyl, C1-6 alkoxycarbonyl, cyano, CONR7R8 wherein R7 and R8 are selected from hydrogen or C1-6 alkyl or together are a group X; NR9 R10 wherein R9 and R10 are selected from hydrogen, C1-6 alkyl, C2-7 alkanoyl or C1-6 alkylsulphonyl or together are a group X; SO2NR11R12 wherein R11 and R12 are selected from hydrogen or C1-6 alkyl or together are a group X; or S(O)mR13 wherein m is 1 or 2 and R13 is C1-6 alkyl; Z is naphthyl or a mono- or fused bicyclic heteroaromatic ring having up to ten atoms in the aromatic ring(s), not more than four of which are selected from nitrogen, oxygen or sulphur or (when R3 is an optionally substituted naphthyl or heteroaromatic group as defined) Z is a phenyl ring; and Z is optionally C-substituted by one or two substituents R4 and R5 which are independently selected from C1-6 alkyl, cyano, amino, aminocarbonyl or aminocarbamoyl optionally substituted by one or two C1-6 alkyl groups or by a group X, halogen, CF3, nitro, C1-6 alkoxy, C1-6 alkylthio, C2-7 alkanoyloxy or hydroxy, or together on adjacent carbon atoms are methylenedioxy or C3-5 polymethylene, are disclosed as an active therapeutic substances for the treatment of inflammatory conditions.