[EN] PYRIDAZIN-3(2H)-ONE DERIVATIVES AND THEIR USE AS PDE4 INHIBITORS<br/>[FR] NOUVEAUX DERIVES DE PYRIDAZIN-3(2H)-ONE ET LEURS UTILISATION EN TANT QU'INHIBITEURS DE PDE4
申请人:ALMIRALL PRODESFARMA SA
公开号:WO2005123693A1
公开(公告)日:2005-12-29
The invention relates to new therapeutically useful pyridazin-3(2H)-one derivatives, to processes for their preparation 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 and suppression of related pathological conditions, diseases and disorders, in particular asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, topic dermatitis, psoriasis or irritable bowel disease.
该发明涉及新的治疗上有用的吡啶并嗪-3(2H)-酮衍生物,以及它们的制备方法和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、预防和抑制相关病理条件、疾病和障碍方面具有用途,特别是哮喘、慢性阻塞性肺病、类风湿性关节炎、局部性皮炎、牛皮癣或肠易激综合征。