Amino derivatives of pyrido(3,4-b)pyrazine carboxylic acids and esters
US4022779A · kind A · utility
6Cited by
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18Claims
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Key dates
| Filing date | Oct 7, 1975 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Oct 7, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/80
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New derivatives of pyrido[3,4-b]pyridine carboxylic acids and esters and their acid addition salts have the general formula ##STR1## They are useful as anti-inflammatory agents and central nervous system depressants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.