ENOL ETHERS OF 6-CHLORO-4-HYDROXY-2-METHYL-N-(2-PYRIDYL)-2H-THIENO(2,3-E)-1,2THIAZINE-3-CARBOXAMIDE 1,1-DIOXIDE,A PROCESS FOR THEIR PREPARATION AND THEIR USE

摘要

Novel enol ethers of 6-chloro-4-hydroxy-2-methyl-N-(2-pyridyl) -2H-thieno-[2,3-e]-1,2-thiazine-3-carboxylic acid amide-1,1-dioxide of the formula …… in which R denotes (C1-C6)-alkyl, (C5-C7)-cycloalkyl or benzyl, and a process for their preparation. The novel compounds have antiinflammatory activity and are suitable for the treatment of rheumatism.