Nanodimensional microreactors encapsulation of 15- and 16-membered diaza dioxa macrocyclic Schiff-base copper(II) complex nanoparticles: Synthesis and characterization

Copper(II) complexes with 15- and 16-membered diaza dioxa Schiff-base macrocyclic ligands “[Cu(R[15 or 16]N2O2)]2+ (R = Et, Pr, Ph, Ch)” were entrapped in the nanopores of zeolite-Y by a three-step process in the liquid phase: (i) exchange of Cu(II) ions with NaY in water solution, (ii) reaction of Cu(II)-NaY with excess 1,3-bis(2-carboxyaldehydephenoxy)propane (O2O2) in methanol; [(1,3-bis(2-carboxyaldehydephenoxy)propane)copper]2+@NaY, [Cu(O2O2)]2+@NaY (iii) template synthesis of [Cu(O2O2)]2+@NaY with diamine. The new complex nanoparticles encapsulated within nanopores of zeolite Y have been characterized by FT-IR, DRS, XPS, TGA, UV-vis spectroscopic techniques, X-ray diffraction (XRD) and elemental analysis as well as nitrogen adsorption.