Phosphodiesterase 4 inhibitors, including N-substituted aniline and diphenylamine analogs
US7405230B2 · kind B2 · utility
2Cited by
43References
39Claims
0Family size
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Key dates
| Filing date | Jul 21, 2003 |
| Grant date | Jul 29, 2008 |
| Priority date | — |
| Expiry date | May 31, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- 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.