Thienothiazine derivatives
US4090020A · kind A · utility
8Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1977 |
| Grant date | May 16, 1978 |
| Priority date | — |
| Expiry date | Feb 9, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Thienothiazine derivatives of the formula ##STR1## wherein R.sub.1 is lower alkyl; R.sub.2 is an unsubstituted aromatic heterocyclic radical which contains from 1 to 4 hetero atoms or one which is substituted by one or two lower alkyl groups, or is an unsubstituted phenyl radical or one substituted by halogen, hydroxy, lower alkyl, nitro, trifluoromethyl or lower alkoxy; and R.sub.3 and R.sub.4, independently, are hydrogen or lower alkyl, Prepared inter alia, from novel intermediates, are described. The end products are useful as anti-inflammatory, analgesic and anti-rheumatic agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.