Pyrazolopyrimidinone CGMP PDE5 inhibitors for the treatment of sexual dysfunction
US6407114B1 · kind B1 · utility
12Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1999 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Oct 22, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- 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.