申请人:Merck Patent Gesellschaft mit beschrankter Haftung
公开号:US05869516A1
公开(公告)日:1999-02-09
5-Pyrazolinone derivatives of the general formula I: ##STR1## in which the R.sup.1 -R.sup.3 variables are as defined herein and the physiologically acceptable salts thereof; processes for the preparation of these compounds, and in particular their use as selective inhibitors of cGMP-specific phosphodiesterase (cGMP PDE), thus as pharmaceutically active compounds.
通用式I的5-吡唑酮衍生物:##STR1##其中R.sup.1 -R.sup.3变量如本文所定义,以及其生理上可接受的盐;制备这些化合物的方法,特别是它们作为cGMP特异性磷酸二酯酶(cGMP PDE)的选择性抑制剂的用途,因此作为药用活性化合物。