their complexes with Cu(I) and Cu(II), have been studied in CH(3)CN solution, by means of (1)H NMR, mass, and UV/vis spectroscopy, while the crystal and molecular structure of the Cu(II) complexes [Cu(3)](CF(3)SO(3))(2) and [Cu(4)](CF(3)SO(3))(2) and of the Cu(I) complexes [Cu(2)(4)(2)](ClO(4))(2) and [Cu(2)(5)(2)](ClO(4))(2) have been determined by X-ray diffraction methods. The Cu(II) complexes are