4-(BENZISOTHIAZOL-3-YL) PHENOXYACETIC ACID 1',1'- DIOXIDES, A PROCESS FOR PREPARING THE SAME, INTERMEDIATES THEREOF AND THEIR USE AS MEDICAMENTS

摘要

Abstract of the DisclosureNovel compounds of the formula IIIIwherein X is hydrogen, halogen or lower alkyl;R1 is hydrogen or loweralkyl and R2 and R3 are eachindependently C1, Br or CH3, and process for theirpreparation, as described. Compounds of the formulaII are useful intermediates in the production of4-(benzisothiazol-3-yl) phenoxyacetic acid 1', 1'-dioxides, which in turn are useful diuretics.