Synthesis, characterization and investigation electrochemical properties of new metal-free and metallophthalocyanines substitued with 6-hydroxyquinoline

In this work, A new type soluble phthalocyanine and its complexes not recording in literature were synthesized. 3-(quinolin-6-yloxy)phthalonitrile (3) was prepared by the reaction of 6-hidroxyquinolin (1) with 3-nitrophthalonitrile (2). The metal free phthalocyanine was synthesized from compound (3) in n-penthanol. Metallophthalocyanines (5), (6), (7), (8) were sythesized by the reaction of compound (3) in dimethylaminoethanol with Ni, Cu, Zn, Co salts, respectively. Then, electrochemical properties of (4) and (5) were investigated by using cyclic voltammetry (CV) and square wave voltammetry (SWV) techniques. The structures of the synthesized compounds were identified by using IR, UV-Vis, 13C-NMR, 1H-NMR and MS spectrometers.