Phosphodiesterase 4 inhibitors
US7205320B2 · kind B2 · utility
1Cited by
42References
71Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2004 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Apr 21, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
PDE4 inhibition is achieved by novel compounds, e.g., N-substituted aniline and diphenylamine analogs. The compounds of the present invention are of Formula I:wherein R1, R2, R3 and R4 are as defined herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.