[EN] PYRIDAZIN-3(2H)-ONE DERIVATIVES AND THEIR USE AS PDE4 INHIBITORS<br/>[FR] DERIVES DE PYRIDAZIN-3(2H)-ONE ET LEUR UTILISATION EN TANT QU'INHIBITEURS DE LA PDE4
申请人:ALMIRALL PRODESFARMA SA
公开号:WO2005123692A1
公开(公告)日:2005-12-29
The invention relates to new therapeutically useful pyridazin-3(2H)-one derivatives of Formula (I) and to pharmaceutical compositions containing them. These compounds are potent and selective inhibitors of phosphodiesterase 4 (PDE4) and are thus useful in the treatment, prevention or suppression of pathological conditions, diseases and disorders known to be susceptible of being improved by inhibition of PDE4 such as asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, atopic dermatitis, psoriasis or irritable bowel disease.
该发明涉及公式(I)的新治疗上有用的吡啶嗪-3(2H)-酮衍生物,以及含有它们的药物组合物。这些化合物是磷酸二酯酶4(PDE4)的有效和选择性抑制剂,因此在治疗、预防或抑制病理状况、已知可通过PDE4抑制改善的疾病和疾病,如哮喘、慢性阻塞性肺病、类风湿性关节炎、特应性皮炎、牛皮癣或肠易激综合症方面是有用的。