Amides of 4-hydroxy-6H-thieno[2,3-b]thiopyran-5-carboxylic acid-

Details Amides of 4-hydroxy-6H-thieno[2,3-b]thiopyran-5-carboxylic acid- Amides of 4-hydroxy-6H-thieno[2,3-b]thiopyran-5-carboxylic acid-

1976-12-10

1978-04-04

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603068R, 260307H, 260329HS, 424263, 424275, C07D49504

Patent

active

040827577

ABSTRACT:
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.

REFERENCES:
patent: 3457269 (1969-07-01), Kirchner
patent: 3636041 (1972-01-01), Schmidt et al.

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