Return to Article Details SYNTHESIS OF 2-ARYLIDENE-6,7-DIHYDROIMIDAZO[1,2-<i>a</i>]PYRAZINE-3,8(2<i>H<i/>,5<i>H</i>)-DIONES BY OXIDATION OF 4-ARYLIDENE-2-METHYL-1<i>H</i>-IMIDAZOL-5(4<i>H</i>)-ONES WITH SELENIUM DIOXIDE Download Download PDF