申请人:Innothera
公开号:US04474783A1
公开(公告)日:1984-10-02
A compound having the formula ##STR1## in which R is hydrogen or alkyl having 1 to 4 carbon atoms; R.sub.1 is hydrogen, alkyl having 1 to 5 carbon atoms, cycloalkylmethyl in which the cycloalkyl group has from 3 to 6 carbon atoms, 2-hydroxyethyl, alkoxycarbonyl in which the alkoxy group has 1 or 2 carbon atoms, 2-carboxypropyl, N-benzyl-2-carbamoyl propyl, phenyl, phenyl substituted by methoxy, trifluoromethyl or acetyl, benzyl, benzyl substituted by halogen, benzoyl, benzoyl substituted by three methoxy groups, 3,5-dimethoxy-4-acetoxy or 3,5-dimethoxy-4-ethoxycarbonyloxy, cinnamoyl, cinnamoyl in which the phenyl ring is substituted with trifluoromethyl or by one or more methoxy groups, phenoxyacetyl, phenoxyacetyl in which the phenyl ring is substituted with halogen or methoxy, and ##STR2## in which m is 2 or 3 and R.sub.2 and R.sub.3 are identical and are alkyls having 1 to 3 carbon atoms; A is a pharmaceutically acceptable compound selected from the group consisting of inorganic acids, organic acids, alkyl halides and aryl halides; and n is 0, 1, 2 or 3; The compounds are useful in the treatment of cardiac disease symptomized by low cardiac flow.
该化合物的化学式为##STR1##其中R为氢或含1至4个碳原子的烷基;R.sub.1为氢、含1至5个碳原子的烷基、环烷基甲基,其中环烷基含有3至6个碳原子、2-羟乙基、烷氧羰基,其中烷氧基含有1或2个碳原子、2-羧基丙基、N-苄基-2-氨基甲基丙基、苯基、甲氧基、三氟甲基或乙酰基取代的苯基、苄基、卤素取代的苄基、苯甲酰基、三个甲氧基取代的苯甲酰基、3,5-二甲氧基-4-乙酰氧基或3,5-二甲氧基-4-乙氧羰基氧基、肉桂酰基、肉桂酰基,其中苯环取代三氟甲基或一个或多个甲氧基、苯氧乙酰基、苯氧乙酰基,其中苯环取代卤素或甲氧基,以及##STR2##其中m为2或3,R.sub.2和R.sub.3相同且均为含1至3个碳原子的烷基;A为从无机酸、有机酸、烷基卤化物和芳基卤化物中选择的药物可接受化合物;n为0、1、2或3;该化合物可用于治疗心脏病症状,其特征是心脏流量低。