This invention relates to novel amides of 4-hydroxy-6H-thieno[2,3-b]thiopyran-5-carboxylic acid-7,7-dioxide having the Formula I: ##STR1## wherein R.sub.1 is hydrogen, halogen or lower alkyl; R.sub.2 is hydrogen, lower alkyl or aryl; Ar is aryl or heterocyclic; to the pharmaceutically acceptable salts thereof; and to processes for their preparation. The compounds of this invention exhibit antiinflammatory activity.
本发明涉及
4-羟基-6H-
噻吩[2,3-b]
噻吩并[5-羧基-7,7-二氧化物]的新型酰胺,其
化学式为I:##STR1##其中R.sub.1为氢,卤素或较低烷基;R.sub.2为氢,较低烷基或芳基;Ar为芳基或杂环基;以及其药学上可接受的盐和制备它们的方法。本发明的化合物具有抗炎活性。