申请人:Syntex (U.S.A.) Inc.
公开号:US04551459A1
公开(公告)日:1985-11-05
Compounds according to the formula ##STR1## and the pharmaceutically acceptable acid addition salts thereof wherein: n is an integer of 1 to 6; R.sub.1 is hydrogen or alkyl of 1 to 4 carbon; R.sub.2 is hydrogen or R.sub.1 and R.sub.2 combined are oxo; R.sub.3 is hydrogen, alkyl of 1 to 6 carbons, phenyl, benzyl, hydroxy lower alkyl and its acylates, carbamoyl alkyl, carboxyalkyl, alkoxycarbonylalkyl or amino acid side chains; R.sub.4 is hydrogen, alkyl of 1 to 6 carbons, benzyl, or hydroxy lower alkyl; Y is hydrogen, alkyl of 1 to 4 carbon atoms, halo or lower alkoxy; A is an amide forming group wherein the nitrogen substituents are: hydrogen; alkyl of 1 to 6 carbon atoms; hydroxyalkyl of 1 to 6 carbon atoms and its aliphatic acylates of 1 to 6 carbon atoms or aryl acylates of 7 to 12 carbon atoms; cycloalkyl of 3 to 8 carbon atoms or cycloalkyl lower alkyl of 4 to 12 carbon atoms wherein the cycloalkyl ring is unsubstituted or substituted with a lower alkyl, lower alkoxy, --OH, --OCOR.sub.5, halo, --NH.sub.2, --N(R.sub.5).sub.2, --NHCOR.sub.5, --COOH, or --COO(R.sub.5) group wherein R.sub.5 is lower alkyl; phenyl or phenyl lower alkyl wherein phenyl is unsubstituted or substituted with 1 or more lower alkyl, halo or lower alkoxy groups or an --NH.sub.2, --N(R.sub.5).sub.2, --NHCOR.sub.5, --COOH, or --COOR.sub.5 group wherein R.sub.5 is lower alkyl; morpholinyl; piperidinyl; perhexylenyl; N-loweralkylpiperazinyl; pyrrolidinyl; tetrahydroquinolinyl; tetrahydroisoquinolinyl; (.+-.)-decahydroquinolinyl or indolinyl. These compounds have inotropic activity.
根据以下公式 ##STR1## 以及其药学上可接受的酸盐,其中:n为1至6的整数;R.sub.1为氢或1至4碳的烷基;R.sub.2为氢或R.sub.1和R.sub.2结合为氧代;R.sub.3为氢、1至6碳的烷基、苯基、苄基、羟基较低烷基及其酰基、氨基甲酰基、羧基烷基、烷氧羰基烷基或氨基酸侧链;R.sub.4为氢、1至6碳的烷基、苄基或羟基较低烷基;Y为氢、1至4碳的烷基、卤素或较低烷氧基;A为酰胺形成基团,其中氮取代基为:氢;1至6碳的烷基;1至6碳的羟基烷基及其1至6碳的脂肪酰基或7至12碳的芳基酰基;3至8碳的环烷基或4至12碳的环烷基较低烷基,其中环烷基环未取代或取代为较低烷基、较低烷氧基、--OH、--OCOR.sub.5、卤素、--NH.sub.2、--N(R.sub.5).sub.2、--NHCOR.sub.5、--COOH或--COO(R.sub.5)基团,其中R.sub.5为较低烷基;苯基或苯基较低烷基,其中苯基未取代或取代为1个或多个较低烷基、卤素或较低烷氧基或--NH.sub.2、--N(R.sub.5).sub.2、--NHCOR.sub.5、--COOH或--COOR.sub.5基团,其中R.sub.5为较低烷基;吗啡啉基;哌啶基;十六烷基基;N-较低烷基吡嗪基;吡咯啉基;四氢喹啉基;四氢异喹啉基;(.+-.)-癸氢喹啉基或吲哚啉基。这些化合物具有肌力作用。