申请人:Beiersdorf AG
公开号:US04801590A1
公开(公告)日:1989-01-31
Pyrido[1,8]naphthyridinones of the general formula I ##STR1## in which R.sup.1 denotes hydrogen, a straight-chain or branched alkyl group having 1 to 6 carbon atoms, the phenyl group or a substituted phenyl group, a cycloalkyl group, a carboxyl group, an alkoxycarbonyl group, a carboxamide group or a cyano group, R.sup.2 denotes hydrogen or a straight-chain or branched alkyl group having 1 to 4 carbon atoms, R.sup.3 denotes hydrogen, a straight-chain or branched alkyl group having 1 to 4 carbon atoms, a carboxyl group, an alkoxycarbonyl group, a carboxamide group or a cyano group, R.sup.4 denotes hydrogen, halogen, the cyano group, the hydroxyl group, a carboxamide group, an alkylthio group or an alkoxy group, in each case having 1 to 6 carbon atoms, which may in each case optionally be substituted by substituted amino groups, furthermore denotes an aryloxy group, an amino group or a substituted amino group, a pyrrolidino, piperidino, hydrazino, morpholino, piperazine or substituted piperazino group, where the alkyl radicals may in each case be straight-chain or branched, and A denotes a pyridine ring, where ring A may also be present in partially hydrogenated form, and the tautomeric forms thereof, and the salts and acid-addition salts thereof, have positive inotropic and vasodilatory properties and can be used as medicaments for the treatment of heart insufficiency, angina pectoris and hypertonia.
通式I的吡啶并[1,8]萘啉酮化合物,其中R.sup.1表示氢、具有1至6个碳原子的直链或支链烷基、苯基或取代苯基、环烷基、羧基、烷氧羰基、羧酰胺基或氰基;R.sup.2表示氢或具有1至4个碳原子的直链或支链烷基;R.sup.3表示氢、具有1至4个碳原子的直链或支链烷基、羧基、烷氧羰基、羧酰胺基或氰基;R.sup.4表示氢、卤素、氰基、羟基、羧酰胺基、烷基硫基或烷氧基,其中每种基团均具有1至6个碳原子,可以选择地被取代为取代氨基基团,此外还表示芳氧基、氨基或取代氨基基团、吡咯烷基、哌啶基、肼基、吗啉基、哌嗪基或取代哌嗪基团,其中烷基基团可以是直链或支链,而A表示吡啶环,其中环A也可以部分氢化存在,以及其互变异构体、盐和酸加成盐具有正性肌力作用和血管扩张作用,可用作治疗心力衰竭、心绞痛和高血压的药物。