Tricyclic pyridazinone compounds

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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544234, 558414, 558423, 558426, 560 51, 562462, 562493, 564215, 564222, 564163, 568328, 568330, C07D23736, C07D23726, A61K 3150

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active

047555114

ABSTRACT:
This invention relates to tricyclic pyridazinone compounds, pharmaceutical compositions containing the compounds, and a method of stimulating cardiac activity in a mammal by administering an effective amount of the compound. A compound of the invention is 7-carboxamido-4,4a-dihydro-4a-methyl-[5H]-indeno[1,2-c]-pyridazin-3[2H]-on e.

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Mukherjee et al., J. Ind. Chem. Soc., 58, pp. 1023-1024 (1981).
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Dalton et al., Aust. J. Chem., 25:625.
Cignarella et al., Il Farmaco, 33:866 (1978).
Holava et al., J. Med. Chem., 14:262 (1971).
Curran et al., J. Med. Chem., 17:273 (1974).
Cignarella et al., Il Farmaco, 37:133 (1982).

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