Substituted pyridine or piperidine compounds
US6638946B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2001 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Oct 29, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a compound of formula (I): wherein:A represents pyridine, pyridinium or piperidineR1, R2, R3 and R4 are as defined in the descriptionR5 represents hydrogen, a nitrogen-containing heterocycle or a group of formula (II): R6 represents hydrogen or linear or branched (C1-C6)alkyl.and medicinal products containing the same which are useful in treating pain or deficiencies in memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.