8-phenyl-6,9-dihydro-[1,2,4]triazolo[3,4-i]purin-5-one derivatives
US7034016B2 · kind B2 · utility
6Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2002 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Mar 13, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D473/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
8-phenyl-6,9-dihydro-[1,2,4]triazolo[3,4-i]purin-5-one derivatives of formula (I): or a pharmaceutically acceptable salt thereof processes for their preparation, pharmaceutical compositions containing them and their use as PDE 5 inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.