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    • 3. 发明申请
    • NOVEL 3(2H)-PYRIDAZINONES, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND PROCESS FOR PREPARING SAME
    • 新的3(2H) - 吡啶酮,含有它们的药物组合物及其制备方法
    • WO1992012137A1
    • 1992-07-23
    • PCT/HU1991000054
    • 1991-12-20
    • RICHTER GEDEON VEGYÉSZETI GYAR RT.MATYUS, PéterRABLOCZKY, GyörgyJASZLITS, LászlóKOSARY, JuditKÜRTHY, MáriaPAPPNÉ BEHR, AgnesZARA, DénesnéKARPATI, EgonKOVACS, AnikóSEBESTYÉN, LászlóFARKAS, LajosCZAKO, KláraVARGA, IldikóELEK, SándorMAGO, IstvánnéMATHÉ, GyörgySZEDERKÉNYI, FerencJEDNAKOVITS, AndreaBODI, IlonaPODANYI, Benjamin
    • RICHTER GEDEON VEGYÉSZETI GYAR RT.
    • C07D237/22
    • C07D401/06C07D237/22C07D401/12C07D405/06
    • The invention relates to novel, racemic and optically active 3(2H)-pyridazinone derivatives of general formula (I), wherein R means hydrogen; a C1-4alkyl group optionally substituted by an R R N- group where R and R , being the same or different, stand for a C1-4alkyl group or R R N- together represents a 6-membered heterocyclic group optionally containing an oxygen or an R N- moiety where R is a C1-4alkyl optionally substituted by a phenyoxy group or a C3-5alkenyl optionally substituted by a phenyl group; or a C1-4alkyl group substituted by a mono- or polysubstituted phenyl, phenoxy or benzyloxy group; or a C3-5alkenyl or C3-5alkynyl optionally substituted by an unsubstituted or optionally substituted phenyl group; or a phenyl group; R means hydrogen; or a C1-4alkyl optionally substituted by a morpholino, pyridyl, 1,4-benzodioxanyl or an optionally substituted phenyl group; R means hydrogen or an optionally substituted phenyl group; R means hydrogen; or R CO- group where R is a C1-4alkyl, phenyl or pyridyl group or an amino group substituted by a C1-4alkyl group; or an -SO3M moiety where M is hydrogen or an organic or inorganic cation; X means halogen; and n is 1, 2 or 3, with the proviso that R is different from a C1-4alkyl, alkenyl, aralkyl and phenyl group when n is 1, as well as their tautomers and the acid addition salts of these compounds. The invention further relates to pharmaceutical compositions containing as active ingredient a compound of general formula (I) as well as to a process for the preparation of compounds of general formula (I). The compounds of the invention possess a significant calmodulin-antagonizing effect, decrease the coronary resistance and are less toxic. Thus, these compounds are useful for treating cardiovascular diseases, particularly angina pectoris.
    • 本发明涉及通式(I)的新型外消旋和光学活性的3(2H) - 哒嗪酮衍生物,其中R 1表示氢; 任选被R 5 R 6 N-基团取代的C 1-4烷基,其中R 5和R 6相同或不同,代表C 1-4烷基或R 5 R N-一起表示任选含有氧或R 7 N-部分的6元杂环基,其中R 7是任选被苯氧基取代的C 1-4烷基或任选被 苯基; 或被一或多取代的苯基,苯氧基或苄氧基取代的C 1-4烷基; 或任选被未取代或任选取代的苯基取代的C3-5烯基或C3-5炔基; 或苯基; R 2表示氢; 或任选被吗啉代,吡啶基,1,4-苯并二恶烷基或任意取代的苯基取代的C 1-4烷基; R 3表示氢或任选取代的苯基; R 4表示氢; 或R 8 CO-基团,其中R 8是C 1-4烷基,苯基或吡啶基或​​被C 1-4烷基取代的氨基; 或其中M为氢或有机或无机阳离子的-SO 3 M部分; X表示卤素; n为1,2或3,条件是当n为1时,R 1不同于C 1-4烷基,烯基,芳烷基和苯基,以及它们互变异构体和这些化合物的酸加成盐。 本发明还涉及含有通式(I)化合物作为活性成分的药物组合物以及制备通式(I)化合物的方法。 本发明化合物具有显着的钙调素拮抗作用,降低冠状动脉阻力并且毒性较小。 因此,这些化合物可用于治疗心血管疾病,特别是心绞痛。