N-Containing heterocyclic compounds, processes for the preparation thereof and composition comprising the same
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0387070A2
公开(公告)日:1990-09-12
Compounds of the formula:
wherein R¹ is aryl optionally substituted with substituent(s) selected from the group consisting of nitro, cyano, halogen, halo(lower)alkyl, lower alkoxy, lower alkylsulfonyl, lower alkylsulfonylamino, amino, lower alkanoyl, sulfamoyl and lower alkylsulfamoyl; or a heterocyclic group optionally substituted with substituent(s) selected from the group consisting of nitro, cyano, lower alkanoyl and hydroxy(lower)alkyl;
R² is cyano; lower alkanoyl; carboxy; esterified carboxy; hydroxy(lower)alkyl; carbamoyl substituted with heterocyclic(lower)alkyl; amino optionally substituted with substituent(s) selected from the group consisting of heterocyclic(lower)alkanoyl and halo(lower)alkanoyl; or N-containing heterocycliccarbonyl optionally substituted with lower alkyl;
R³ is lower alkyl; and
R⁴ is aryl optionally substituted with substituent(s) selected from the group consisting of nitro, hydroxy and halogen; carboxy; esterified carboxy; a heterocyclic group; lower alkyl; or carbamoyl substituted with heterocyclic(lower)alkyl;
provided that R⁴ is aryl substituted with substituent(s) selected from the group consisting of nitro and hydroxy ; carboxy; esterified carboxy; a heterocyclic group; lower alkyl; or carbamoyl substituted with heterocyclic(lower)alkyl; when R¹ is phenyl substituted with nitro, and its pharmaceutically acceptable salt.
Processes for the preparation of these compounds are also described, together with pharmaceutical compositions containing the compounds as an active ingredient. The compounds are useful for the treatment of ischemic diseases and reperfusion injury, and as cardioprotective agents.
式中的化合物:
其中,R¹是任选被选自硝基、氰基、卤素、卤代(低级)烷基、低级烷氧基、低级烷基磺酰基、低级烷基磺酰基氨基、氨基、低级烷酰基、氨基磺酰基和低级烷基氨基磺酰基组成的取代基取代的芳基;或任选被选自硝基、氰基、低级烷酰基和羟基(低级)烷基组成的取代基取代的杂环基团;
R²是氰基;低级烷酰基;羧基;酯化羧基;羟基(低级)烷基;被杂环(低级)烷基取代的氨基甲酰基;任选被选自杂环(低级)烷酰基和卤代(低级)烷酰基组成的取代基取代的氨基;或任选被低级烷基取代的含 N 杂环羰基;
R³ 是低级烷基
R⁴ 是芳基,可任选被选自以下组别的取代基取代:硝基、羟基和卤素;羧基;酯化羧基;杂环基团;低级烷基;或被杂环(低级)烷基取代的氨基甲酰基;
R⁴是被选自硝基和羟基的取代基取代的芳基;羧基;酯化羧基;杂环基团;低级烷基;或被杂环(低级)烷基取代的氨基甲酰基;当R¹是被硝基取代的苯基时,以及其药学上可接受的盐。
此外,还介绍了制备这些化合物的工艺,以及含有这些化合物作为活性成分的药物组合物。这些化合物可用于治疗缺血性疾病和再灌注损伤,也可用作心脏保护剂。