N-substituted piperidines as PDE4 inhibitors
US5919801A · kind A · utility
3Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1997 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Sep 19, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New N-substituted cyclic amines of formula: ##STR1## wherein: X, R.sub.1, R.sub.2 and R are as defined in the description, their optical and geometric isomers and physiologically tolerable salts thereof. The compounds of the invention are powerful PDE4 inhibitors and can be used therapeutically.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.