Pyridine derivatives and their use as nootropic agents
US4863938A · kind A · utility
0Cited by
6References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1988 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Oct 31, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/75
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pyridine derivatives of the formula ##STR1## their tautomers and their salts, in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and n have the meanings given in the claims, can be used as active ingredients in medicaments and are manufactured in a manner known per se.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.