申请人:Synthelabo
公开号:US04977159A1
公开(公告)日:1990-12-11
A compound which is a pyrido[3,4-b]derivative of formula (I) ##STR1## in which R is a hydrogen atom or an alkyl carbonyl, arylalkylcarbonyl or arylcarbonyl group of formula COR.sub.1 wherein R.sub.1 is a C.sub.1 -C.sub.6 alkyl group, a benzyl group or a phenyl group unsubstituted or substituted with 1 to 3 substituents chosen from halogen atoms and trifluoromethyl, C.sub.1 -C.sub.3 alkyl and C.sub.1 -C.sub.3 alkoxy groups or R is an alkoxycarbonyl or benzyloxycarbonyl group of formula COOR.sub.2 wherein R.sub.2 is a C.sub.1 -C.sub.6 alkyl group or a benzyl group, or R is a substituted aminocarbonyl group of formula CONHR.sub.3 wherein R.sub.3 is a C.sub.1 -C.sub.6 alkyl group or a phenyl group, or R is an arylsulphonyl group of formula SO.sub.2 R.sub.4 wherein R.sub.4 is a phenyl group, or a pharmacologically acceptable acid addition salt thereof useful for treating hypertension, depressive state or anxiety state.
一种化合物,是公式(I)的吡啶并[3,4-b]衍生物,其中R是氢原子或公式COR.sub.1的烷基羰基、芳基烷基羰基或芳基羰基基团,其中R.sub.1是C.sub.1-C.sub.6烷基、苄基或未取代或取代有1至3个卤素原子和三氟甲基、C.sub.1-C.sub.3烷基和C.sub.1-C.sub.3烷氧基基团的苯基基团,或R是公式COOR.sub.2的烷氧羰基或苄氧羰基基团,其中R.sub.2是C.sub.1-C.sub.6烷基或苄基,或R是公式CONHR.sub.3的取代氨基羰基,其中R.sub.3是C.sub.1-C.sub.6烷基或苯基,或R是公式SO.sub.2R.sub.4的芳基磺酰基团,其中R.sub.4是苯基,或其药理学上可接受的酸盐,用于治疗高血压、抑郁状态或焦虑状态。