Tetrahydrothiopyranphthalazinone derivatives as PDE4 inhibitors
US6544993B1 · kind B1 · utility
13Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2002 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Apr 12, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The compounds of formula (I) in which R1, R2, A and Ar have the meanings as given in the description are novel effective PDE4 inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.