申请人:Pharmacia & Upjohn Company
公开号:US05874475A1
公开(公告)日:1999-02-23
Compounds of formula (I) and pharmacologically acceptable salts thereof wherein: n is 1 to 3, R is an alkyl, R.sub.1 is hydrogen or alkyl, R.sub.2 is alkyl, R.sub.3 is an alkyl; b) alkyl substituted with an aryl, heteroaryl or cycloalkyl; c) alkyl substituted with one to eight fluorine atoms; d) cycloalkyl; e) alkenyl; f) alkyl substituted with one to three hydroxy, acyloxy or alkoxy substituents, and where the sum of carbons in R.sub.2 and R.sub.3 is greater than five br where R.sub.2 and R.sub.3 with the nitrogen atom form a saturated heterocyclic group having one nitrogen and form 4-8 carbon atoms or a 4-substituted piperazine group in which the 4-substituent can be alkyl, aryl, benzyl, or heteroaryl, and X is hydrogen, hydroxy, alkoxy, alkyl, carbon trifluoride or a halogen, or compounds of formula (I') and pharmacologically acceptable salts thereof wherein: n is 1 to 3, R is an alkyl, R.sub.1 is hydrogen or alkyl, R.sub.2 is an alkyl, R.sub.3 is an alkyl substituted with an aryl, heteroaryl or cycloalkyl, or an alkyl substituted with one to eight fluorine atoms, one to three hydroxy, acyloxy or alkoxy substituents, and where the sum of carbons in R.sub.2 and R.sub.3 is greater than five; X is hydrogen, hydroxy, alkoxy, alkyl, carbon trifluoride or a halogen, useful as class III antiarrhythmic agents.
式(I)的化合物及其药理学上可接受的盐,其中:n为1至3,R为烷基,R.sub.1为氢或烷基,R.sub.2为烷基,R.sub.3为烷基;b)烷基与芳基,杂环烷基或环烷基取代;c)烷基取代一个至八个氟原子;d)环烷基;e)烯烃基;f)烷基取代一个至三个羟基,乙酰氧基或烷氧基取代基,其中R.sub.2和R.sub.3中碳的总和大于五br,其中R.sub.2和R.sub.3与氮原子形成一个饱和的杂环基,含有一个氮原子并形成4-8个碳原子,或者形成一个4-取代哌嗪基团,其中4-取代基可以是烷基,芳基,苄基或杂环基,X为氢,羟基,烷氧基,烷基,三氟甲基或卤素,或者式(I')的化合物及其药理学上可接受的盐,其中:n为1至3,R为烷基,R.sub.1为氢或烷基,R.sub.2为烷基,R.sub.3为烷基,取代一个芳基,杂环烷基或环烷基,或者取代一个至八个氟原子,一个至三个羟基,乙酰氧基或烷氧基取代基,其中R.sub.2和R.sub.3中碳的总和大于五;X为氢,羟基,烷氧基,烷基,三氟甲基或卤素,作为III类抗心律失常药物。