Nonsteroidal cardiotonics. 3. New 4,5-dihydro-6-(1H-indol-5-yl)pyridazine-3(2H)-ones and related compounds with positive inotropic activities

Article abstract of DOI:10.1021/jm00172a031

A sereis of substituted indolyldihydropyridazinones and related compounds 1-18 were synthesized and evaluated for positive inotropic activity. In rats, most of these indole derivatives produced a dose-related increase in myocardial contractility with litt