申请人:Orion Corporation/Orion Pharmaceutica
公开号:US05151420A1
公开(公告)日:1992-09-29
Substituted benzylideneiminophyenylpyridazinones or dihydropyridazinones of formula I ##STR1## in which R.sub.1 and R.sub.8 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 R.sub.3, R.sub.4 and R.sub.5 independently mean hydrogen, lower alkyl, hydroxy alkyl, halogen, hydroxy, alkoxy, acyloxy, aroyloxy, formyl, acyl, cyano, amino, carboxy or trifluoromethyl, R.sub.6 and R.sub.7 independently mean hydrogen, amino, lower alkyl, hydroxy, nitro or cyano or R.sub.2 and R.sub.7 together form a --CH.sub.2 --NH-- or --CH.dbd.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.
公式I中的取代苯基亚胺基苯基吡啶嗪酮或二氢吡啶嗪酮,其中R1和R8分别表示氢或较低的烷基,R2表示氢、较低的烷基、三氟甲基、羟基烷基、卤代烷基、烷氧基烷基、吡啶基、呋喃基、噻吩基或环烷基或其中一个可选的取代基;芳基、芳基烷基、芳基烯基或通过烷基或烯基基团连接的含氮杂环环;R3、R4和R5独立地表示氢、较低的烷基、羟基烷基、卤素、羟基、烷氧基、酰氧基、芳酰氧基、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、较低的烷基、羟基、硝基或氰基或R2和R7共同形成一个-CH2-NH-或-CH.dbd.N-基团;A表示苯基、萘基或含氮杂环环。这些化合物可用于治疗充血性心力衰竭。