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    • 9. 发明授权
    • Benzopyran derivatives and pharmaceutical compositions containing them
    • 苯并吡喃衍生物和含有它们的药物组合物
    • US4994470A
    • 1991-02-19
    • US465448
    • 1990-01-16
    • Michel BarreauJean-Claude HardyChristian Renault
    • Michel BarreauJean-Claude HardyChristian Renault
    • A61K31/443A61K31/445A61P9/06C07D405/06C07D405/14
    • C07D405/06
    • New benzopyran derivatives of general formula (I) in which:R.sub.1 denotes a hydrogen or halogen atom or a hydroxy, alkyloxy, nitro, amino, alkylsulphonamido, bis(alkylsulphonyl)amino, or acylamino radical,R denotes a radical of general formula: ##STR1## in which A denotes a single bond or a methylene radical and R.sub.2 and R.sub.3 which may be identical or different, denote a hydrogen or halogen atom or a hydroxy, alkyl, alkyloxy, nitro, amino, alkylsulphonamido, bis(alkylsulphonyl)amino, acylamino, sulphamoyl or cyano radical, or form together, when they are adjacent, a methylenedioxy or ethylenedioxy radical, or alternatively R denotes a 2-oxo-2H-benzimidazolyl radical,and R' and R" are identical and denote hydrogen atoms or alkyl radicals, their isomeric forms and their preparation.These new products are useful as antiarrhythmic and antifibrillating agents. ##STR2##
    • 新的通式(I)的苯并吡喃衍生物,其中:R1表示氢或卤素原子或羟基,烷氧基,硝基,氨基,烷基磺酰氨基,双(烷基磺酰基)氨基或酰基氨基,R表示通式的基团: IMAGE>其中A表示单键或亚甲基,R 2和R 3可以相同或不同,表示氢或卤素原子或羟基,烷基,烷氧基,硝基,氨基,烷基磺酰氨基,双(烷基磺酰基)氨基, 酰基氨基,氨磺酰基或氰基,或者当它们相邻时一起形成亚甲二氧基或亚乙二氧基,或者R表示2-氧代-2H-苯并咪唑基,R'和R“相同且表示氢原子或 烷基,它们的异构形式及其制备方法。 这些新产品可用作抗心律不齐和抗纤颤剂。 (一)