A convenient method for the synthesis of 3,6-dihydroxybenzene-1,2,4,5-tetracarboxylic acid tetraalkyl esters and a study of their fluorescence properties

Abstract

A mild, efficient and simple method for the synthesis of 3,6-dihydroxy-1,2,4,5-tetracarboxylic tetraalkyl esters using cerium(IV) ammonium nitrate mediated oxidation of 1,3-acetone dicarboxylates has been developed. The detailed absorption and emission studies of the synthesized compounds reveal that these molecules have appreciable quantum yields and possess large Stokes shift values.