Imidazolylphenyl and 1,2,4-triazolylphenyl benzopyridazinone and pyridopyridazinone compounds and their use for increasing cardiatonic contractility
US4806535A · kind A · utility
14Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1987 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Jul 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to imidazolylphenyl and 1,2,4-triazolylphenyl benzopyridazinone and pyridopyridazinone compounds of the formula ##STR1## wherein A is CH or N and not more than one of W, X, Y and Z is a N atom which possess valuable pharmaceutical preparations, e.g., increasing cardiotonic contractility. Uses of said compounds including methods for increasing cardiac contractility and in the treatment of congestive heart failure, pharmaceutical compositions including the same and methods for the preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.