Pyrazolopyrimidinone cGMP PDE5 inhibitors for the treatment of sexual dysfunction
US6670366B1 · kind B1 · utility
25Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1999 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Oct 22, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is provided compounds of formula IA and of formula IB, wherein R1, R2, R3, R4 and A have meanings given in the description, 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.