2,5-dihydroxyterephthalic acid (DHTA)is prepared by bromine/sulphuric acid mediated aromatization of diethyl succinoylsucinate, followed by hydrolysis.
D 0562 (OTTO) 2,5-Dihydroxyterephthalic acid, 98% Cas 610-92-4 - used in organic synthesis agrochemical, pharmaceutical and dyestuff field.