Tetrahydropyrido [1,2-a] indole derivatives, process and intermediates for their preparation and pharmaceutical compositions containing them
申请人:Beecham Wuelfing GmbH & Co KG
公开号:EP0213696A2
公开(公告)日:1987-03-11
A compound of formula (I) or a pharmaceutially 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 Rs together represent an oxo group;
R6 is C1-7 alkyl substituted by NR8R9 where R8 and R9 are independently hydrogen or C1-4 alkyl or together are C3-7 polymethylene optionally containing a further hetereoatom which is oxygen, sulphur or nitrogen substituted by R10 where R10 is hydrogen, C1-4 alkyl or benzyl, and optionally substituted by one or two C1-4 alkyl, C2-5 alkanoyl, C1-4 alkoxycarbonyl, aminocarbonyl optionally substituted by one ortwo C1-6 alkyl groups or by a benzyl group, cyano, phenyl or benzyl and wherein any phenyl or benzyl group is optionally substituted in the phenyl ring by one or two halo, CF3, C1-4 alkyl, C1-4 alkoxy, cyano or nitro groups; and
R7 is hydrogen or C1-4 alkyl.
式 (I) 的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 均为氢或共同代表一个键
R4 是氢,R5 是氢或 R4 和 Rs 共同代表一个氧代基团;
R6是被NR8R9取代的C1-7烷基,其中R8和R9独立地为氢或C1-4烷基,或一起为C3-7聚亚甲基,可选择含有另一个被R10取代的对位原子,其中R10为氧、硫或氮,其中R10为氢、C1-4烷基或苄基,并可选择被一个或两个C1-4烷基取代、C2-5烷酰基、C1-4烷氧基羰基、氨基羰基任选被一个或两个C1-6烷基或苄基、氰基、苯基或苄基取代,其中任何苯基或苄基在苯基环上任选被一个或两个卤代、CF3、C1-4烷基、C1-4烷氧基、氰基或硝基取代;和
R7 为氢或 C1-4 烷基。