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The functionalized calix[4]pyrrole meso-substituted Schiff bases were conveniently prepared by fourstep synthetic route. Furthermore, the nickel and copper complexes of calix[4]pyrrole meso-substituted Schiff base with 1:2 stoichiometry were obtained. The crystal structures of the calix[4]pyrroles and their metal complexes were determined by X-ray diffraction.
The functionalized calix [4] pyrrole meso-substituted Schiff bases were conveniently prepared by fourstep synthetic routes. Furthermore, the nickel and copper complexes of calix [4] pyrrole meso-substituted Schiff bases with 1: 2 stoichiometry were obtained. The crystal structures of the calix [4] pyrroles and their metal complexes were determined by X-ray diffraction.