1, 3-Benzoxatliiol-~-one compounds (1) substituted with halogen or with an electron- donating group or groups were found to possess some bacterostatic and fungistatic effects [l, 21, some of them were used as a lotion to prevent sun-burn [3] and in the treatment of skin disorders [4]. Owing to these properties, and to the lack of information on 1, 3-benzoxathiol-2- ones compounds substituted with an electron-withdrawing group, their synthesis was of ...