3-(2-Pyridinyl)-4(1H)-cinnolinone N-oxides
US3973020A · kind A · utility
1Cited by
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4Claims
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Key dates
| Filing date | Sep 8, 1975 |
| Grant date | Aug 3, 1976 |
| Priority date | — |
| Expiry date | Sep 8, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
3-(2-Pyridinyl)-4(1H)-cinnolinone N-oxides of the formula I: ##SPC1## wherein R is hydrogen, halogen, lower alkyl, hydroxy or alkoxy; the pharmaceutically acceptable acid addition salts thereof; and a process for the preparation thereof, are described. The compounds of the invention are useful for the treatment of hyperacidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.