[Synthesis and pharmacologic activity of 2-arylethenylthiazol-4-acetic and 4-carboxylic acids]

Two new series of 2-aryletenylthiazolo-4-acetic (IV-XII) and 4-carboxylic (XIII-XXI) acids substituted with alkoxy groups in the benzene ring were synthesized. The compounds were subjected to comparative tests of antiinflammatory, analgesic and antipyretic activity.