Thiazolo(3,2-C)benzoxazine derivatives
US4291032A · kind A · utility
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Key dates
| Filing date | Oct 2, 1980 |
| Grant date | Sep 22, 1981 |
| Priority date | — |
| Expiry date | Oct 2, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
New thiazolo[3,2-c]-1,3-benzoxazine derivatives of the general formula (I), in which X is oxygen or sulfur, R.sub.1 and R.sub.2, which are identical or different, are hydrogen or halogen atoms or alkyl, alkoxy, alkylthio or trifluoromethyl radicals, in the 7-, 8-, 9- or 10-position, and R.sub.3 is a hydrogen atom or a carboxyl radical, their salts, if appropriate, their preparation and the medicaments in which they are present. These new derivatives are particularly useful as analgesic agents. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.