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    Two novel rnacroacyclic schiff bases containing bis-N2O2 donor set and their binuclear complexes: synthesis, spectroscopic and magnetic properties
    (Elsevier Science Bv, 2009) Karaoglu, Kaan; Baran, Talat; Serbest, Kerim; Er, Mustafa; Degirmencioglu, Ismail
    Herein, we report two novel macroacyclic Schiff bases derived from tetranaphthaldehyde derivative compound and their binuclear Mn(II), Ni(II), Cu(II) and Zn(II) complexes. The structures of the compounds have been proposed by elemental analyses, spectroscopic data i.e. IR, H-1 and C-13 NMR, UV-Vis, electrospray ionisation mass spectra, molar conductivities and magnetic susceptibility measurements. The stoichiometries of the complexes derived from mass and elemental analysis correspond to the general formula [M2L(ClO4)(n)](ClO4)(4-n), (where M is Mn(II), Ni(II), Cu(II), Zn(II) and L represents the Schiff base ligands). (C) 2009 Elsevier B.V. All rights reserved.