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 (L-1)/2-((3-amino-propylimino)-methyl)-4-nitro-phenol monoanion (L-2) that derived from photochromic molecule 2-(3',3'-dimethyl-6-nitrospiro(chromene-2,2'-indolin)-1'-yl)ethanol, two metal-organic complexes [Cu(L-1)] (1) and [Cu(L-2)(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 photocatalytic properties of the two complexes for the degradation of organic dye molecules have been observed.