3,5-Diiodosalicylaldehyde is used to synthesize new Schiff bases, (2,4-diiodo-6-[(2-morpholin-4-yl-ethylimino)-methyl]-phenol and 2,4-diiodo-6-[(3-morpholin-4-yl-propylimino)-methyl]-phenol) and the new tridentate ligand, [(2-hydroxy-3,5-diiodo-benzylidene)-amino]-acetic acid (HDBA), 3-bromo-N?-(2-hydroxy-3,5-diiodobenzylidene)benzohydrazide monohydrate.
