6-benzoxazinyl- and 6-benzothiazinyl 2,3,4,5-tetrahydropyridazin-3-ones
US5081242A · kind A · utility
10Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 1991 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Feb 15, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The synthesis of benzoxazinyl- and benzothiazinylpyridazinone compounds is described. The novel compounds are cardiotonic agents and inhibitors of phosphodiesterase. In addition, the compounds are useful as smooth muscle relaxants and bronchodilators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.