Claims
- 1. 3-Hydrazino-6-PY-pyridazine or pharmaceutically-acceptable acid-addition salt thereof, where PY is 4- or 3-pyridinyl or 4- or 3-pyridinyl having one or two lower-alkyl substituents.
- 2. 3-Hydrazino-6-(4-pyridinyl)pyridazine or pharmaceutically-acceptable acid-addition salt thereof.
- 3. A cardiotonic composition for increasing cardiac contractility in a patient requiring such treatment, said composition consisting essentially of a pharmaceutically-acceptable inert carrier and, as the active component thereof, an effective amount of the cardiotonic 3-hydrazino-6-PY-pyridazine or pharmaceutically-acceptable acid-addition salt thereof, where PY is 4-or 3-pyridinyl or 4- or 3-pyridinyl having one or two lower-alkyl substituents.
- 4. A composition according to claim 3 where the active component is 3-hydrazino-6-(4pyridinyl)pyridazine or pharmaceutically-acceptable acid-addition salt thereof.
- 5. The method for increasing cardiac contractility in a patient requiring such treatment which comprises administering orally or parenterally in a solid or liquid dosage form to such patient a composition consisting essentially of a pharmaceutically-acceptable inert carrier and, as the active component thereof, an effective amount of the cardiotonic 3-hydrazino-6-PY-pyridazine or pharmaceutically-acceptable acid-addition salt thereof, where PY is 4- or 3-pyridinyl or 4- or 3-pyridinyl having one or two lower-alkyl substituents.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of copending application Ser. No. 103,192, filed Dec. 13, 1979, abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3717365 |
Anderson et al. |
Feb 1973 |
|
4086343 |
Dori Gotti et al. |
Apr 1978 |
|
4224325 |
Szil agyi |
Sep 1980 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
54-19987 |
Feb 1979 |
JPX |
Non-Patent Literature Citations (2)
Entry |
Bellasio et al. Chem. Abs 75,151820 (1971). |
Haginina et al. Chem. Abs 88, 170096v (1978). |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
103192 |
Dec 1979 |
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