Preparation and Characterization of Copper Complexes of Schiff Base Ligands Synthesized In Situ from Spiropyran Derivative

By virtue of Schiff base ligands bis(2 - (methyliminomethyl)- 4 - nitro - phenol) dianion (L₁)/2 - ((3 - amino - propylimino)-methyl)-4-nitro-phenol monoanion (L₂) that derived from photochromic molecule 2-(3′,3′-dimethyl-6- nitrospiro(chromene-2,2′-indolin)-1′-yl)ethanol, two metal-organic complexes [Cu(L₁)] (1) and [Cu(L₂)(1,3-DAP)]NO₃ (2) have been successfully fabricated through in situ ligand reaction in the presence of Cu2+. These complexes were characterized by IR, single-crystal X-ray diffraction, and powder X-ray diffraction. Additionally, certain photocata- lytic properties of the two complexes for the degradation of organic dye molecules have been observed. CCDC: 2053028, 1; 2104827, 2.