申请人:Asahi Kasei Kogyo Kabushiki Kaisha
公开号:EP0654266A1
公开(公告)日:1995-05-24
A cardiac protective containing an isoquinolinesulfonamide derivative represented by general formula (I) or a salt thereof, suitable for treating myocardial diseases and myocardial cytopathy, wherein R¹ represents H, Cl or OH; A, R², R³, and R⁴ represent each a group selected dependent on R¹; A represents C₂-C₆ alkylene which may be substituted by alkyl, cinnamyl, phenyl or benzyl; R² and R³ represent each independently H, C₁-C₆ alkyl, C₆ or lower cycloalkyl, cinnamyl, phenyl or benzyl, or alternatively R² and R³ may be combined together to represent alkylene which may be alkylated; R⁴ represents H, C₁-C₆ alkyl, phenyl, benzyl, benzoyl, cinnamyl, cinnamoyl, furoyl (a) or (b), or alternatively R⁴ may be combined with R³ to represent a chain which may contain an interposed oxygen atom; R⁵ represents C₁-C₆ alkyl; and R⁶ and R⁷ are each independently selected dependent on R¹ and represent each H or CH₃. or alternatively R⁶ and R⁷ may be combined together to represent C₂-C₄ alkylene.
一种心脏保护剂,含有通式(I)代表的异喹啉磺酰胺衍生物或其盐,适用于治疗心肌疾病和心肌细胞病变,其中R¹代表H、Cl或OH;A、R²、R³和R⁴各自代表根据R¹选择的基团;A代表C₂-C₆亚烷基,可被烷基、肉桂基、苯基或苄基取代;R² 和 R³ 各自独立地代表 H、C₁-C₆ 烷基、C₆ 或低级环烷基、肉桂基、苯基或苄基,或者 R² 和 R³ 可组合在一起,代表可被烷基化的亚烷基;R⁴ 代表 H、C₁-C₆ 烷基、苯基、苄基、苯甲酰基、肉桂酰基、肉桂酰基、呋喃基 (a) 或 (b),或者 R⁴ 可与 R³ 结合在一起,代表可包含一个中间氧原子的链;R⁵ 代表 C₁-C₆烷基;以及 R⁶ 和 R⁷ 各自独立地根据 R¹ 进行选择,并各自代表 H 或 CH₃。或者,R⁶ 和 R⁷ 可以组合在一起代表 C₂-C₄ 亚烷基。