Naphthyridine derivatives, their preparation and their use as phosphodiesterase isoenzyme 4 (PDE4) inhibitors
US7273875B2 · kind B2 · utility
5Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2002 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | Jan 15, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to compounds of formula Iin free or salt form, where R1 is a monovalent aromatic group having up to 10 carbon atoms, and R2 is a cycloaliphatic group having up to 8 ring carbon atoms. Compositions containing them, methods for their preparation and their use as pharmaceuticals are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.