Quinazoline-substituted pyridazinone derivatives having cardioto

Details Quinazoline-substituted pyridazinone derivatives having cardioto Quinazoline-substituted pyridazinone derivatives having cardioto

1990-01-11

1991-11-05

Daus, Donald G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514218, 5142358, 544239, 540575, C07D40302, A61K 3150

Patent

active

050632272

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sub.3 is H or alkyl, Q.sub.1 and Q.sub.2 are independently hydrogen, alkyl, hydroxyl, alkoxyl, amino, mono or di alkylamino, nitro or halo or pharmaceutically acceptable salts are useful as cardiotonics.

REFERENCES:
patent: 4053600 (1977-10-01), Hardtmann
patent: 4672116 (1987-06-01), Bandorco
patent: 4829066 (1989-05-01), Spada et al.
patent: 4847251 (1989-07-01), Mertens
patent: 4868300 (1989-09-01), Kuhla
patent: 4923869 (1990-05-01), Prucher
patent: 4946842 (1990-07-01), Coates
patent: 4957920 (1990-08-01), Morsdorf et al.
patent: 4963683 (1990-11-01), Mosdorf
Leistner et al., Zeitschrift fur Chemie, vol. 12, No. 8 (1972), p. 289.

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