Imidazo (1,2-A)pyrazine-4-one derivatives/useful as antagonists of AMPA and NMDA receptors
US5672705A · kind A · utility
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5Claims
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Key dates
| Filing date | Jan 16, 1996 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Jan 16, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D495/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of formula (I), wherein R is an oxygen or sulphur atom or an NH or N-alk radical, and each of R.sub.1 and R.sub.2, which are the same or different, is a hydrogen or halogen atom or an alkyl, alkoxy, amino, acylamino, --NH--CO--NH--Ar,--N.dbd.CH--N(alk)alk', nitro, cyano, phenyl, imidazolyl or SO.sub.3 H radical, the preparation thereof, and drugs containing such compounds, are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.