Condensation of naphthylamin and anthraquinone compounds, synthesis of Fe(III), Cr(III), Co(II) complexes and invastigation of their photochromic properties

Coupling and diazo compounds were synthesized by using 1-amino-4-bromo-2-methyl anthraquinone and the primer amines components such as 5-Amino, 2- naphtelene sulfonic acid and naphthylamin in presences of s-triazine ring. The metal complexes of the synthesized ligands were achieved with Co(II), Fe(III), Cr(III) metal salts. The characterizations of all the synthesized compounds were determined by using UV-visible, FT-IR, 1H NMR, 13C NMR, AAS, magnetic susceptibility, elemental analysis techniques. Their photochromic properties have been investigated. The metal complexes when exposed to UV light are more sensitive than their ligands in terms of photochromism.