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Bulletin of Pure and Applied Sciences-Zoology (Started in 1982)
eISSN:2320-3188
pISSN: 0970-0765
Impact Factor: 5.395 (2017)
DOI: 10.5958/2320-3188
Editor-in-Chief:  Dr. Sushil Kumar Upadhyay
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Article Details

Bulletin of Pure and Applied Sciences-Zoology (Started in 1982)
Year : 2019, Volume & Issue : BPAS-Zoology 38A(1), JAN-JUN 2019
Page No. : 17-26, Article Type : Original Aticle
Article DOI : 10.5958/2320-3188.2019.00003.2 (Received: Nov 21, 2018 Revised: Dec 22, 2018 Accepted: Jan 25, 2019 Published: Jun 20, 2019)

Synthesis, Characterization, Antibacterial Studies of Co(II), Ni(II), Cu(II) and Zn(II) Complexes of Some Schiff Base Ligands

Abhishek Sharma1 Sulekh Chandra2,*
Author’s Affiliation : 1Department of Chemistry Mewar University Gangrar, Chittorgarh, Rajasthan 312901, India 2Zakir Husain Delhi College (University of Delhi), JLN Marg, New Delhi 110002, India

Corresponding Author : Sulekh Chandra, Zakir Husain Delhi College (University of Delhi), JLN Marg, New Delhi 110002, India,
E-Mail:-[email protected]


Abstract

A series of two biologically active Schiff base ligands HL1 and HL2 have been synthesized in equimolar­­­ reaction of acetophenone derivative and different amines. The synthesized Schiff bases were used for complexation with different metal ions like Co(II), Ni(II) and Cu(II) by using a molar ratio of ligand : metal as 1:1. The characterization of Schiff bases and metal complexes was done by 1H NMR, UV–Vis, IR, Mass spectrometry and molar conductivity studies. On the basis of the spectral studies an octahedral geometry has been assigned for Co(II), Ni(II) and tetrahedral for Cu(II) and Zn(II) complexes. All the synthesized compounds were studied for their in vitro antimicrobial activities, against four bacterial strains and two fungal strains by using serial dilution method. The data also revealed that the metal complexes showed better activity than the ligands due to chelation/coordination.

 

Keywords

Schiff Base, Ni(II), Co(II) and Cu(II) complexes, Spectroscopic Studies, DFT calculations, Antibacterial activity, antifungal activity
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