ARKIVOC, ss.75-87, 2009 (SCI-Expanded)
First and short syntheses of biologically active, naturally occurring 3,4,6-tribromo-5-(2,3-dibromo-4,5-dihydroxybenzyl)benzene-1,2-diol 3, 3,4,6-tribromo-5-(2,3,6-tribromo-4,5-dihydroxybenzyl)benzene-1,2-diol 4 and 3,4-dibromo-5-[3-bromo-2-(2,3-dibromo-4,5-dihydroxybenzyl)-4,5-dihydroxybenzyl]benzene-1,2-diol 5 from the red alga were carried out.