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http://hdl.handle.net/20.500.12358/24056
TitleSynthesis and Characterization of Co(II), Ni(II), Cu(II) and Zn(II) Complexes with an ONO- and an NNO-Functionalized Ligand
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Abstract

A new ligand was synthesized from condensation of 2-aminophenol and 2-acetylbenzimidazole. This ligand (HAPAB, 6) was characterized based on elemental analysis, IR, 1H-NMR and 13C-NMR and MS spectral spectra. The complexes of the ligands, HAPAB (6) and 2-acetylfruan benzoylhydrazone (HAFBH, 3), with Co(II), Ni(II), Cu(II) and Zn(II), encoded a-d, were prepared by reaction of their methanolic acetate salts with the ligands in methanol in 1:2 metal to ligand mole ratio. These complexes, M(II)L2, 7a-d and 8a-d, were similarly characterized based on their physicochemical data by elemental analysis, IR, 1H-NMR and 13C-NMR, MS, molar conductance and electronic absorption spectra. The complexes consist of two ligands that give six coordinate bonding to each metal ion on a meridional plane through binding with the acetylfuran-O, the azomethine-N and the oxygen donor atom in the enol form of the hydrazone 3 and the 2-acetylbenzimidazole-N, the azomethine-N, and the phenoxo-O atoms of the imine 6 respectively. The ligands function as monobasic ONO- and NNO-trifunctional donor ligands where the deprotonated enolic form is preferred in the coordination producing distorted octahedral complexes. Key words: metal (II) complexes, Schiff bases, NNO-tridentate ligand, ONO-tridentate ligand

Authors
Saadeh, Salman M.
TypeJournal Article
Date2013
LanguageEnglish
Subjects
nno-tridentate ligand
metal (ii) complexes
schiff bases
ono-tridentate ligand
Published inIUG Journal for Natural and Engineering Studies
SeriesVolume: 21, Number: 1
Publisherالجامعة الإسلامية - غزة
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  • Staff Publications- Faculty of Science [1030]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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