2005•Chemical Research and ApplicationRequires access

Synthesis and characterization of unsymmetrical schiff base complexes

Li Yang

Abstract

A new unsymmetrical tetradentate Schiff base ligand(H_2L)was synthesized using 5-chloro-2-hydroxy-benzophenone,o-phenylenediamine and 2-hydroxyl-1-Naphth aldehy.Five metal complexes of this ligand[ML]·nH_2O(M=Cu(Ⅱ),Zn(Ⅱ),Mn(Ⅱ),Co(Ⅱ)and Ni(Ⅱ),n=0-1)were prepared and charactesized by elemental analysis,IR spectra,UV spectra,TG-DTG and molar conductance.Possible structures of these complexes were proposed.

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Key concepts: Schiff base, Benzophenone, Ligand (biochemistry), Chemistry, Elemental analysis, Molar ratio, Metal, Base (topology)