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Green Synthesis, Spectral, Thermal Characterization and Biological Activity of Schiff base Ligand Derived from 3-amino-1,2,4-triazol and its Metal Complexes

Author

Listed:
  • M M Abdelsalam

    (Egyptian Organization for Standardization and Quality)

  • Ali M Hassan

    (Chemistry Department, Faculty of Science, Al-Azhar University, Egypt)

  • Bassem H heakal

    (Research Laboratory, Cairo Oil Refining Company, Egypt)

  • M A Bedair
  • Gamal Abd El Naeem
  • Zaghloul I Elbialy

    (The City of Scientific Research and Technology Application, New Borg El-Arab, Alexandria, Egypt)

Abstract

Green, efficient and clean synthesis of a Schiff base ligand, 1-(((1H-1,2,4-triazol-3-yl) imino) methyl) naphthalen-2-ol (TMN) has been synthesized in equimolar reaction (1:1) of 3-amino-1,2,4-triazole as a primary amine and 2-hydroxy-1-naphthaldehyde as an aldehyde using microwave irradiation technique. The synthesized Schiff base ligand was then reacted with four transition metal ions Co(II), Ni(II), Cu(II) and Zn(II) in 1:1 molar ratio of ligand and metal acetate using microwave technique. The stereochemistry and the bonding characteristics of the ligand and its metal complexes were achieved based on elemental analysis, FT-IR, UV-Vis., NMR and ESR as well as Thermo-Gravimetric Analysis (TGA). The thermal dehydration and decomposition of Co (II), Ni(II) and Cu(II) complexes were studied kinetically using the integral method applying the Coats-Redfern and Horowitz Metzger equations. The antimicrobial activities of ligand and its Zn (II) complex were studied against the bacterial (positive and negative) grams and fungal strains.

Suggested Citation

  • M M Abdelsalam & Ali M Hassan & Bassem H heakal & M A Bedair & Gamal Abd El Naeem & Zaghloul I Elbialy, 2019. "Green Synthesis, Spectral, Thermal Characterization and Biological Activity of Schiff base Ligand Derived from 3-amino-1,2,4-triazol and its Metal Complexes," Organic & Medicinal Chemistry International Journal, Juniper Publishers Inc., vol. 8(3), pages 49-58, March.
    • Handle: RePEc:adp:jomcij:v:8:y:2019:i:3:p:49-58
    DOI: 10.19080/OMCIJ.2019.08.555736
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