Pyrazolopyrimidinone CGMP PDE5 inhibitors for the treatment of sexual dysfunction
US6333330A · kind A · utility
24Cited by
12References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1999 |
| Grant date | Dec 25, 2001 |
| Priority date | — |
| Expiry date | Oct 22, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is provided compounds of formula IA and of formula IB, ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and A have meanings given in the description, which are useful in the curative and prophylactic treatment of medical conditions 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.