This invention relates to 5,6-dihydro-4-oxo-4H-thieno[2,3-b]thiopyran-5-carboxamides of the Formula I: ##STR1## wherein R.sub.1 is hydrogen, halogen or lower alkyl; R.sub.2 is hydrogen, lower alkyl or aryl; and Ar is aryl or heterocyclic; their pharmaceutically acceptable salts and to processes for their preparation. The compounds of this invention exhibit antibacterial, antifungal and antiallergy activity.
本发明涉及公式I的5,6-二氢-4-氧代-4H-
噻吩[2,3-b]
硫杂
环戊烷-5-羧酰胺:其中R.sub.1是氢、卤素或较低的烷基;R.sub.2是氢、较低的烷基或芳基;Ar是芳基或杂环基;其药学上可接受的盐以及其制备方法。本发明的化合物表现出抗菌、抗真菌和抗过敏活性。