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Synthesis, characterization, electrochemical behaviors and applications in the Suzuki-Miyaura cross-coupling reactions of N2S2O2 thio Schiff base ligand and its Cu(II), Co(III), Ni(II), Pd(II) complexes and their usage in the fabrication of organic-inorganic hybrid devices
(Elsevier Science Sa, 2012) Temel, Hamdi; Pasa, Salih; Ocak, Yusuf Selim; Yilmaz, Ismail; Demir, Serpil; Ozdemir, Ismail
The thio Schiff base ligand N,N'-bis(o-hydroxy-1-naphtaldehydene)-1,2-bis(o-amino phenilthio)ethane (L) was synthesized by the condensation of o-hydroxy-1-naphthaldehyde and 1,2-bis(2-amino thiophenol)ethane. The reactions of the ligand with different transition metal(II) salts under reflux system condition afforded a series of metal complexes such as Cu(II), Co(III), Ni(II) and Pd(II). Ligand and its complexes were characterized by a combination of elemental analysis, UV-vis spectroscopy, FT-IR, H-1 NMR, MS and TGA/DTA. The electrochemical properties of L and [Cu(L)] were investigated using cyclic voltammetry (CV) in the solutions of dimethyl sulfoxide (DMSO). The catalytic property of thio Schiff base ligand with Suzuki cross-coupling reactions were also determined with different substituted aryl halides in the presence of aryl boronic acid and Pd(AcO)(2) as catalyst. In addition, the fabrication of organic-inorganic hybrid devices using L and its Co(III), Ni(II) and Pd(II) complexes and their electrical properties have been reported. (C) 2011 Elsevier B.V. All rights reserved.