Some 4-oxo-4H-1-benzopyrans bearing the 1,3,4-thiadiazole moiety were prepared. These include 2(2'-amino or acylamino-1,3,4-thiazol-5'-y1)-4-oxo-4H-1-benzopyrans (flavone analog) and some N-(1,3-thladiazolyl-4-oxo-4H-1-benzpyran-2-curboxamides.


H M EL SHAAER ,S S IBRAHIM ,M A ABDEL HALIM ,