6-benzoxazinyl-2,3,4,5-tetrahydropyridazin-3-ones
US4721784A · kind A · utility
10Cited by
2References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1986 |
| Grant date | Jan 26, 1988 |
| Priority date | — |
| Expiry date | Dec 22, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The synthesis of benzoxazinyl-pyridazinone compounds is described. The novel compounds are cardiotonic agents and inhibitors of phosphodiesterase fraction III. In addition, the compounds are useful as smooth muscle relaxants and bronchodilators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.