Piperazino-derivatives and their use as PDE4 inhibitor
US7022696B2 · kind B2 · utility
2Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2002 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Oct 6, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The compounds of formula I in which R1, R2, R3, A, X, s and R9 have the meanings as given in the description are novel effective PDE4 inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.