Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1992-04-10
1993-06-15
Ramsuer, Robert W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
549 77, 560 38, 562440, 562443, C07C21904, C07D295192
Patent
active
052200230
ABSTRACT:
The present invention relates to novel positive inotropic and lusitropic 3,5-dihydroimidazo[2,1-b]quinazolin-2(1H)-one derivatives having positive inotropic and lusitropic properties which are useful in the treatment of warm-blooded animals suffering from Congestive Heart Failure. Pharmaceutical compositions containing said compounds as an active ingredient. Methods of preparing said compounds and pharmaceutical compositions.
REFERENCES:
patent: 2642456 (1953-06-01), Emerson et al.
Freyne Eddy J. E.
Raeymaekers Alfons H. M.
Janssen Pharmaceutica N.V.
Metz Charles J.
Ramsuer Robert W.
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