申请人:ORION-YHTYMÄ OY
公开号:EP0359439A1
公开(公告)日:1990-03-21
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.
式 I 的被取代亚苄基亚氨基苯基哒嗪酮或二氢哒嗪酮
其中R₁和R₈分别为氢或低级烷基,R2为氢、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基团之一;通过烷基或烯基连接的芳基、芳烷基、芳烯基或含氮杂环,且 R₃、R₄ 和 R₅ 独立指氢、低级烷基、羟基烷基、卤素、羟基、烷氧基、酰氧基、酰氧基、甲酰基、酰基、氰基、氨基、羧基或三氟甲基,R₆ 和 R₇ 独立指氢、氨基、低级烷基、羟基、硝基或氰基,或 R₂ 和 R₇ 共同形成 -CH₂-NH- 或 -CH=N- 基团,A 指苯基、萘基或含氮杂环。这些化合物可用于治疗充血性心力衰竭。