| abstract |
Abstract Certain substituted-4-hydroxy-(or 4-acyloxy-)2H-1,2-benzothiazine l,l-dioxides having at the 3-position a 2-substituted-1,3,4-oxadiazol-5-yl, a 2-substituted-tetrazol-5-yl or a l-substituted-tetrazol-5-yl group useful as selective 5-lipoxygenase pathway inhibitors; and methods for their preparation. |