A pharmaceutical composition comprising a compound of formula (I) or a pharmaceutically acceptable salt thereof:
wherein:
R1 is hydrogen, C1-6 alkyl, C1-6 alkoxy or halogen;
R2 and R3 are both hydrogen or together represent a bond;
R4 is hydrogen and R5 is hydrogen or R4 and R5 together represent on oxo group;
R6 is hydrogen; C1-6 alkyl; C3-7 cycloalkyl; C3-7 cycloalkyl-C1-4 alkyl; phenyl or phenyl C1-7 alkyl in which the phenyl moiety is optionally substituted by one or two of halogen, ortho-nitro, meta-or para-methoxy, methyl or NR8R9 wherein R8 and R9 are independently hydrogen or C1-6 alkyl or R8 and R9 together are C2-6 polymethylene, or 3,4-disubstituted by methylenedioxy or ethylenedioxy; or monocyclic heteroaryl-C1-4 alkyl or aliphatic heterocyclyl-C1-4 alkyl of up to six ring atoms, the heteroatom(s) being selected from oxygen, suphur or nitrogen, any amino nitrogen heteroatom optionally C1-4 alkyl substituted; and
R7 is hydrogen or C1-4 alkyl; and a pharmaceutically acceptable carrier.
一种药物组合物,包含式(I)化合物或其药学上可接受的盐:
其中
R1 是氢、C1-6 烷基、C1-6 烷氧基或卤素;
R2 和 R3 都是氢或共同代表一个键
R4 是氢,R5 是氢或 R4 和 R5 共同代表一个氧代基团;
R6是氢;C1-6烷基;C3-7环烷基;C3-7环烷基-C1-4烷基;苯基或苯基C1-7烷基,其中苯基可选择被卤素、正硝基、偏甲氧基或对甲氧基、甲基或NR8R9中的一种或两种取代,其中R8和R9独立地是氢或C1-6烷基,或R8和R9一起是C2-6多亚甲基,或被亚甲基二氧基或亚乙基二氧基取代的3,4-二取代基;或最多六个环原子的单环杂芳基-C1-4 烷基或脂肪族杂环-C1-4 烷基,杂原子选自氧、
硫或氮,任何
氨基氮杂原子可选择被 C1-4 烷基取代;以及
R7 是氢或 C1-4 烷基;以及药学上可接受的载体。