1-Ethyl-1,4-dihydro-6-(2-naphthyl)-4-oxonicotinic acid and esters thereof
US4278798A · kind A · utility
3Cited by
1References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 1980 |
| Grant date | Jul 14, 1981 |
| Priority date | — |
| Expiry date | Jul 7, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/26
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1-Ethyl-1,4-dihydro-6-(2-naphthyl)-4-oxonicotinic acid and C.sub.1-6 -alkyl esters thereof as well as their alkali metal, alkaline earth metal or ammonium salts are described. The foregoing compounds are useful as central nervous system stimulants. Also described are 1-ethyl-6-(2-naphthyl)-4-oxo-1,4,5,6-tetrahydronicotinic acid and C.sub.1-6 -alkyl esters thereof, which are useful as intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.