申请人:Bayer Aktiengesellschaft
公开号:US04645775A1
公开(公告)日:1987-02-24
Novel 3-nitro-dihydropyridine derivatives of the formula ##STR1## in which R.sub.1 and R.sub.2 each independently is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.12 -alkoxy, C.sub.1 -C.sub.4 -halogenoalkoxy, halogen, nitro, C.sub.1 -C.sub.4 -halogenoalkyl, C.sub.1 -C.sub.4 -halogenoalkylmercapto, ##STR2## Z is oxygen or sulphur, R.sub.4 and R.sub.5 each independently is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, C.sub.1 -C.sub.4 -halogenoalkyl, C.sub.1 -C.sub.4 -halogenoalkoxy or nitro, or R.sub.1 and R.sub.2, together with 2 C atoms of the phenyl ring form the ring ##STR3## X is oxygen or sulphur, A is a hydrocarbon radical with up to 12 C atoms which optionally contains one or two identical or different chain members from the group comprising O, S and CO and/or which is optionally substituted by hydroxyl or aliphatic acyloxy with up to 4 C atoms, R.sub.3 is --O--COR.sub.6, --S--CO--R.sub.6, SH, OH , NH.sub.2, ##STR4## NH--COR.sub.6, COOR.sub.6, NR.sub.7 R.sub.8 or CONR.sub.7 R.sub.8, R.sub.6 is hydrogen or an aliphatic radical with up to 6 C atoms or a phenyl radical, and R.sub.7 and R.sub.8 each independently is hydrogen or an aliphatic radical with up to 6 C atoms or a phenyl radical, or a physiologically acceptable salts thereof, which are active in circulation and exhibit positive inotropic activity.
化合物的名称为3-硝基二氢吡啶衍生物,化学式为##STR1##其中,R.sub.1和R.sub.2各自独立地是氢、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.12 醇基、C.sub.1-C.sub.4卤代醇基、卤素、硝基、C.sub.1-C.sub.4卤代烷基、C.sub.1-C.sub.4卤代烷基硫醇基、##STR2##Z为氧或硫,R.sub.4和R.sub.5各自独立地是氢、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.6醇基、卤素、C.sub.1-C.sub.4卤代烷基、C.sub.1-C.sub.4卤代醇基或硝基,或者R.sub.1和R.sub.2与苯环的2个碳原子一起形成环##STR3##X为氧或硫,A为具有最多12个碳原子的碳氢基团,其中可以包含来自O、S和CO的一种或两种相同或不同的链成员,或者可以通过最多4个碳原子的羟基或脂肪酰氧基进行取代,R.sub.3为--O--COR.sub.6、--S--CO--R.sub.6、SH、OH、NH.sub.2、##STR4##NH--COR.sub.6、COOR.sub.6、NR.sub.7 R.sub.8或CONR.sub.7 R.sub.8,R.sub.6为氢或最多具有6个碳原子的脂肪基或苯基,R.sub.7和R.sub.8各自独立地是氢或最多具有6个碳原子的脂肪基或苯基,或其生理上可接受的盐,其在循环中具有活性并表现出正性肌力作用。