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    • 4. 发明公开
    • Substituted pyridazinones
    • 取代哒嗪酮。
    • EP0359439A1
    • 1990-03-21
    • EP89308767.6
    • 1989-08-30
    • ORION-YHTYMÄ OY
    • Bäckström, Reijo JohannesHeinola, Kalevi EvertNore, Pentti TapioPystynen, Jarmo JohanSellin, LawrenceHonkanen, Erkki JuhaniHaikala, Heimo Olavi
    • C07D237/04C07D237/14C07D401/12C07D403/04A61K31/50
    • C07D401/12C07D237/04C07D237/14C07D403/04
    • Substituted benzylideneiminophenylpyridazinones or dihydropyridazinones of formula I
      in which R₁ and R₈ independently mean hydrogen or lower alkyl, R2 is hydrogen, lower alkyl, trifluoromethyl, hydroxy alkyl, halogen alkyl, alkoxy alkyl, pyridyl, furyl, thienyl or cycloalkyl or one of optionally substituted groups; aryl, aralkyl, aralkenyl or nitrogen containing heterocyclic ring joining through an alkyl or alkenyl group and R₃, R₄ and R₅ independently mean hydrogen, lower alkyl, hydroxy alkyl, halogen, hydroxy, alkoxy, acyloxy, aroyloxy, formyl, acyl, cyano, amino, carboxy or trifluoromethyl, R₆ and R₇ independently mean hydrogen, amino, lower alkyl, hydroxy, nitro or cyano or R₂ and R₇ together form a -CH₂-NH- or -CH=N- group and A means phenyl, naphtyl or a nitrogen containing heterocyclic ring. The compounds may be used in the treatment of congestive heart failure.
    • 取代的亚苄基亚氨基苯基哒嗪酮或式I的二氢哒嗪酮其中R 1和R 8独立地表示氢或低级烷基,R 2是氢,低级烷基,三氟甲基,羟基烷基,卤素烷基,烷氧基烷基,吡啶基,呋喃基,噻吩基或环烷基或 任选取代的基团; 通过烷基或烯基连接的芳基,芳烷基,芳烯基或含氮杂环,R3,R4和R5独立地表示氢,低级烷基,羟基烷基,卤素,羟基,烷氧基,酰氧基,芳氧基,甲酰基,酰基,氰基,氨基 ,羧基或三氟甲基,R6和R7独立地表示氢,氨基,低级烷基,羟基,硝基或氰基或R2和R7一起形成-CH 2 -NH-或-CH = N-基团,A表示苯基,萘基或氮 含杂环。 该化合物可用于治疗充血性心力衰竭。