Pyridazinone derivatives, their preparation and use

Details Pyridazinone derivatives, their preparation and use Pyridazinone derivatives, their preparation and use

1989-03-16

1990-04-03

Berch, Mark L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514247, 514252, 514253, 5142278, 5142322, 5142365, 540575, 544 60, 544114, 544121, 544238, 544239, C07D23704, C07D23714, C07D40312, A61K 3150

Patent

active

049140930

ABSTRACT:
Compounds of formula (I): ##STR1## (wherein Q is oxygen or sulfur, the dotted line is a single or double bond, A is alkylene, and R.sup.1 -R.sup.5 are a variety of atoms or organic groups)
have excellent ability to potentiate myocardial contractivity and a variety of other properties, and can be used to treat cardiac disorders.

REFERENCES:
Zoller, Chem Abs 102, 220886h (1985).
Derwent for Japan 8015/83 (1983).

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