申请人:Eisai Co., Ltd.
公开号:US05849741A1
公开(公告)日:1998-12-15
A fused pyridazine compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof which exhibits an inhibitory activity against cyclic GMP phosphodiesterase (hereinafter referred to as "cGMP-PDE"). The compounds are useful as preventive and therapeutic agents for diseases for which a cGMP-PDE inhibiting action is efficacious, for example, ischemic heart diseases such as angina pectoris, myocardial infarct and chronic and acute cardiac failure, pulmonary hypertension, arteriosclerosis and bronchial asthma. ##STR1##
以下是一种融合吡啶并嘧啶化合物,其化学式如下(I),或其药理学上可接受的盐,具有对环磷酸鸟苷磷酸二酯酶(以下简称“cGMP-PDE”)的抑制活性。这些化合物可用作预防和治疗剂,用于对于cGMP-PDE抑制活性有效的疾病,例如缺血性心脏病,如心绞痛,心肌梗死和慢性和急性心衰,肺动脉高压,动脉硬化和支气管哮喘。##STR1##