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Synthesis and Characterization of Metal Complexes of Schiff's Base Ligands Derived from 4-Carboxy Hydrazide-5, 6-Diphenyl-3[2-H]Pyridazone

Received: 11 October 2014    Accepted: 13 February 2015    Published: 27 February 2015
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Abstract

A new ligand, 4-[carboxy-α-(2-hydroxyphenyl) ethylidene hydrazide-5,6-diphenyl-3(2H) pyridazinone (CHDP), were synthesized and characterized by 1H-NMR, IR spectra and elemental analysis. The dissociation equilibrium constant of CHEDP as well as the equilibrium constant for different M+n-CHEDP complexes were reported at different temperatures in 75% (v/v) dioxane-water media and constant ionic strength. The stability constants of CHDP complexes with transition and non-transition ions were evaluated. The thermodynamic parameters were also calculated and discussed. A series of mono nuclear protic M(HL), M(HL)2, ML(HL) and non-protic ML2 complex species were formed in solutions. The structure of the solid complexes formed between CHEDP and cobalt (II), copper (II) and iron (III) are substantiated by elemental analysis, mass spectra, thermal studies (TG and DSC) and IR spectra.

DOI 10.11648/j.mc.s.2015030101.13
Published in Modern Chemistry (Volume 3, Issue 1-1, January 2015)

This article belongs to the Special Issue Synthesis and Microbial Screening of Coordination and Organic Compounds

Page(s) 15-26
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

CHEDP Ligand, Potentiometric Titration, Spectrophotometric Studies of Fe (III)- CHEDP Complexes, Solid Complexes

References
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Author Information
  • Chemistry department, University College for Girls, Ain Shams University, Cairo, Egypt

  • Chemistry department, Faculty of Education, Ain Shams University, Cairo, Egypt

  • Chemistry department, Faculty of Education, Ain Shams University, Cairo, Egypt

  • Chemistry department, Faculty of Education, Ain Shams University, Cairo, Egypt

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    Faten Z. Mahmoud, Atef A. T. Ramadan, Mohamed M. Mahmoud, Fouz M. Omar. (2015). Synthesis and Characterization of Metal Complexes of Schiff's Base Ligands Derived from 4-Carboxy Hydrazide-5, 6-Diphenyl-3[2-H]Pyridazone. Modern Chemistry, 3(1-1), 15-26. https://doi.org/10.11648/j.mc.s.2015030101.13

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    ACS Style

    Faten Z. Mahmoud; Atef A. T. Ramadan; Mohamed M. Mahmoud; Fouz M. Omar. Synthesis and Characterization of Metal Complexes of Schiff's Base Ligands Derived from 4-Carboxy Hydrazide-5, 6-Diphenyl-3[2-H]Pyridazone. Mod. Chem. 2015, 3(1-1), 15-26. doi: 10.11648/j.mc.s.2015030101.13

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    AMA Style

    Faten Z. Mahmoud, Atef A. T. Ramadan, Mohamed M. Mahmoud, Fouz M. Omar. Synthesis and Characterization of Metal Complexes of Schiff's Base Ligands Derived from 4-Carboxy Hydrazide-5, 6-Diphenyl-3[2-H]Pyridazone. Mod Chem. 2015;3(1-1):15-26. doi: 10.11648/j.mc.s.2015030101.13

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  • @article{10.11648/j.mc.s.2015030101.13,
      author = {Faten Z. Mahmoud and Atef A. T. Ramadan and Mohamed M. Mahmoud and Fouz M. Omar},
      title = {Synthesis and Characterization of Metal Complexes of Schiff's Base Ligands Derived from 4-Carboxy Hydrazide-5, 6-Diphenyl-3[2-H]Pyridazone},
      journal = {Modern Chemistry},
      volume = {3},
      number = {1-1},
      pages = {15-26},
      doi = {10.11648/j.mc.s.2015030101.13},
      url = {https://doi.org/10.11648/j.mc.s.2015030101.13},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.mc.s.2015030101.13},
      abstract = {A new ligand, 4-[carboxy-α-(2-hydroxyphenyl) ethylidene hydrazide-5,6-diphenyl-3(2H) pyridazinone (CHDP), were synthesized and characterized by 1H-NMR, IR spectra and  elemental analysis. The dissociation equilibrium constant of CHEDP as well as the equilibrium constant for different M+n-CHEDP complexes were reported at different temperatures in 75% (v/v) dioxane-water media and constant ionic strength. The stability constants of CHDP complexes with transition and non-transition ions were evaluated. The thermodynamic parameters were also calculated and discussed. A series of mono nuclear protic M(HL), M(HL)2, ML(HL) and non-protic ML2 complex species were formed in solutions. The structure of the solid complexes formed between CHEDP and cobalt (II), copper (II) and iron (III) are substantiated by elemental analysis, mass spectra, thermal studies (TG and DSC) and IR spectra.},
     year = {2015}
    }
    

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  • TY  - JOUR
    T1  - Synthesis and Characterization of Metal Complexes of Schiff's Base Ligands Derived from 4-Carboxy Hydrazide-5, 6-Diphenyl-3[2-H]Pyridazone
    AU  - Faten Z. Mahmoud
    AU  - Atef A. T. Ramadan
    AU  - Mohamed M. Mahmoud
    AU  - Fouz M. Omar
    Y1  - 2015/02/27
    PY  - 2015
    N1  - https://doi.org/10.11648/j.mc.s.2015030101.13
    DO  - 10.11648/j.mc.s.2015030101.13
    T2  - Modern Chemistry
    JF  - Modern Chemistry
    JO  - Modern Chemistry
    SP  - 15
    EP  - 26
    PB  - Science Publishing Group
    SN  - 2329-180X
    UR  - https://doi.org/10.11648/j.mc.s.2015030101.13
    AB  - A new ligand, 4-[carboxy-α-(2-hydroxyphenyl) ethylidene hydrazide-5,6-diphenyl-3(2H) pyridazinone (CHDP), were synthesized and characterized by 1H-NMR, IR spectra and  elemental analysis. The dissociation equilibrium constant of CHEDP as well as the equilibrium constant for different M+n-CHEDP complexes were reported at different temperatures in 75% (v/v) dioxane-water media and constant ionic strength. The stability constants of CHDP complexes with transition and non-transition ions were evaluated. The thermodynamic parameters were also calculated and discussed. A series of mono nuclear protic M(HL), M(HL)2, ML(HL) and non-protic ML2 complex species were formed in solutions. The structure of the solid complexes formed between CHEDP and cobalt (II), copper (II) and iron (III) are substantiated by elemental analysis, mass spectra, thermal studies (TG and DSC) and IR spectra.
    VL  - 3
    IS  - 1-1
    ER  - 

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