Pharmaceutically active compounds
US6794387B2 · kind B2 · utility
2Cited by
0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2002 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Apr 10, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P15/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of general formula (I): wherein R1, R2, R3, R4, X, Y and A have the meanings given herein which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.