申请人:Byk Gulden Lomberg Chemische Fabrik GmbH
公开号:US04665074A1
公开(公告)日:1987-05-12
6-aryl-3[2H]pyridazinones of formula I ##STR1## in which one of the substituents R1 and R2 denotes hydrogen or (C1-C4)-alkoxy, and the other denotes polyfluoro-(C1-C4)-alkoxy, and their pharmacologically-tolerated salts are suitable as bronchospasmolytic and cardiotonic active compounds. Processes for their preparation and appropriate medicaments are indicated.
式I中,6-芳基-3-[2H]吡啶嗪酮 ##STR1## 其中R1和R2中的一个表示氢或(C1-C4)-烷氧基,另一个表示多氟(C1-C4)-烷氧基,其药理学耐受盐适用于支气管痉挛和心脏强效化合物。指出其制备过程和适当的药物。