Enol ethers of 6-chloro-4-hydroxy-2-methyl-N-(2-pyridyl)-2H-thieno(2,3-e)-1,2-thiazine- 3-carboxamide 1,1-dioxide, and their use
US4927821A · kind A · utility
2Cited by
2References
4Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 18, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Oct 18, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to new enol ethers of 6-chloro-4-hydroxy-2-methyl-N-(2-pyridyl)-2H-thieno(2,3-e)-1,2- thiazine-3-carboxamide 1,1-dioxide of the formula ##STR1## in which R denotes (C.sub.1 -C.sub.6)-alkyl, (C.sub.5 -C.sub.7)-cycloalkyl or benzyl, and a process for their preparation. The new compounds have an antiinflammatory activity and are suitable for the treatment of rheumatism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.