[Preparation and pharmacologic activity of N-oxides of 4'-(benzotriazol-2-yl-phenylalkanoic and -phenoxyalkanoic acids].

A number of N-oxides of 4'-(benzotriazol-2-yl)-phenylalkanoic and -phenoxyalkanoic acids bearing various substituents on position 6 of benzotriazole together with 4'-(benzotriazol-2-yl) phenylacetic acid were prepared and subjected to a wide pharmacological screening. Several compounds exhibited significant antiinflammatory and diuretic activities, while one was endowed with antihypertensive activity.