Benzofuran-2-ones and pharmaceutical compositions
US4426380A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1982 |
| Grant date | Jan 17, 1984 |
| Priority date | — |
| Expiry date | Oct 21, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/1535
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel furans, especially benzofuranones of the general formula ##STR1## in which R.sub.1 represents hydrogen or an aliphatic radical, R.sub.2 represents an amino group di-substituted by a divalent hydrocarbon radical, and the aromatic ring A may be additionally substituted, and their salts and/or isomers, processes for the manufacture of compounds of the formula (I) and their salts and isomers, pharmaceutical preparations containing these compounds, and their use as the active ingredients of medicaments as anti-inflammatory agents, analgesics or light-screening agents and/or for the manufacture of pharmaceutical preparations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.