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Novel Copper(II) Complexes of N-Phenylanthranilic Acid Containing Ethanol and Hydroxo Ligands

  • Murat Taş
  • Okan Zafer Yeşilel
  • Orhan Büyükgüngör
Article

Abstract

The complexes, tetra-μ-[2-(phenylamino)benzoato](O,O′)-bis[(ethanol)copper(II)] (1) and di-μ-[2-(phenylamino)benzoato](O,O′)-bis[(hydroxo)copper(II)] (2), were synthesized by the reaction of N-phenylanthranilic acid and CuCl2·2H2O in an ethanol water mixture. In complex 1, each Cu(II) atom, which is in a slightly distorted square pyramidal environment, is coordinated equatorially by four N-phenylanthranilate O-atoms and axially by the ethanol O-atoms. In complex 2, [Cu2(C6H5NHC6H4COO)2(OH)2], each Cu(II) atom, which is in tetrahedral environment, is coordinated by two N-phenylanthranilate O-atoms and hydroxo ligands. The crystal structure (monoclinic, P21/c space group) of complex 1 comprises a dinuclear [Cu2(C6H5NHC6H4COO)4(CH3CH2OH)2] species and the dimer is located on a crystallographic inversion centre. The Cu(II) ions, 2.591(2) Å apart, are bridged by the carboxylate groups of four N-phenylanthranilate ligands. The complex molecules show three-dimensional supramolecular networks by O–H···O, C–H···O and C–H···π interactions.

Keywords

Amino acids Binuclear copper complex Carboxylate ligands π Interactions O donor ligands 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Murat Taş
    • 1
  • Okan Zafer Yeşilel
    • 2
  • Orhan Büyükgüngör
    • 3
  1. 1.Department of Chemistry, Faculty of Arts and SciencesGiresun UniversityGiresunTurkey
  2. 2.Department of Chemistry, Faculty of Arts and SciencesEskişehir Osmangazi UniversityEskisehirTurkey
  3. 3.Department of Physics, Faculty of Arts and SciencesOndokuz Mayıs UniversitySamsunTurkey

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