申请人:Merck Patent Gesellschaft Mit Beschrankter Haftung
公开号:US04923869A1
公开(公告)日:1990-05-08
New benzimidazolylpyridazinones of the formula I ##STR1## in which R.sup.1 is a styryl or mononuclear of binuclear heteroaryl radial which contains 1-4 heteroatoms, each of which is unsubstituted or singly or multiply substituted by alkyl, alkoxy, alkylthio, halogen, OH, SH, amino, alkylamino, dialkylamino, acylamino having 1-8 C atoms, nitro, COOH, COOalkyl and/or CN, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are each H or alkyl, and R.sup.6 and R.sup.7 are each H, or together are a C--C bond, and in which the alkyl and alkoxy groups each contain 1-4 C atoms, and their salts, show positive inotropic, vasodilating and antithrombotic actions.
公式I的新苯并咪唑基吡啶酮,其中R.sup.1是含有1-4个杂原子的styryl或单核双核杂原子辐射的基团,每个杂原子未取代或被烷基、烷氧基、烷硫基、卤素、羟基、硫氢基、氨基、烷基氨基、二烷基氨基、酰胺基(含有1-8个C原子)、硝基、羧基、COO烷基和/或CN单独或多次取代,R.sup.2、R.sup.3、R.sup.4和R.sup.5分别为H或烷基,R.sup.6和R.sup.7分别为H,或者一起是一个C-C键,其中烷基和烷氧基基团每个含有1-4个C原子,以及它们的盐,显示出正性肌力作用、扩张血管作用和抗血栓作用。