Synthesis, characterization, and antibacterial activities of some metal complexes with tripodal Schiff base ligand derived from pyrrole-2-carboxaldehyde

Dashti Rahmatabadi, Fatemeh; Ranjineh Khojasteh, Roya; Kabiri Fard, Hassan; Tadayon, Fariba

doi:10.33945/SAMI/ECC.2020.5.4

Document Type : Original Research Article

Authors

Department of Inorganic Chemistry, Faculty of Chemistry, Tehran North Branch, Islamic Azad University, 1651153311, Tehran, Iran

10.33945/SAMI/ECC.2020.5.4

Abstract

The tripodalheptadentate Schiff base ligand, C₂₁H₂₇N₇, was derived from pyrrole-2-carboxaldehyde with tris(2-aminoethyl)amine (tren) and its complexes with Cd(II), Co(II), Mn(II) and Ni(II) metal ions have been synthesized. The Schiff base and its metal complexes have been identified by IR, UV-Vis, ¹H-NMR, ¹³C-NMR spectroscopy, elemental analysis and thermo gravimetric analysis (TGA). According to the spectroscopic and elemental analyses data, it was found that the Schiff base was coordinated to the metal ions as a potentially heptadentate ligand. All compounds showed antibacterial properties against the gram-positive bacteria; Bacillus cereus, Staphylococcus aureus, and gram-negative bacteria; Pseudomonas aeruginosa, Escherichia coli by using disc diffusion and micro-broth dilution methods. Also, the metal complexes showed a greater inhibitory effect than their individual ligand. Bacillus cereus was the most susceptible bacterial species to Co(II) complex while Escherichia coli required a relatively higher minimum inhibition concentration of Mn(II) complex.

Graphical Abstract

Keywords

Main Subjects

Inorganic chemistry

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Eurasian Chemical Communications

Synthesis, characterization, and antibacterial activities of some metal complexes with tripodal Schiff base ligand derived from pyrrole-2-carboxaldehyde

References

References

Volume 2, Issue 5
May 2020
Pages 587-594

Synthesis, characterization, and antibacterial activities of some metal complexes with tripodal Schiff base ligand derived from pyrrole-2-carboxaldehyde

References

References

Volume 2, Issue 5May 2020Pages 587-594

Volume 2, Issue 5
May 2020
Pages 587-594