Article
2021

Synthesis, Characterization, Electrochemical and Antimicrobial Studies of Iron(II) and Nickel(II) Macrocyclic Complexes

Vinod Kumar Vashistha Vinod Kumar Vashistha , Anuj Kumar Anuj Kumar , Prashant Tevatia Prashant Tevatia , Deepak Kumar Das Deepak Kumar Das
Russian Journal of Electrochemistry
https://doi.org/10.1134/S1023193521040091
Abstract / Full Text
Vinod Kumar Vashistha, Kumar, A., Tevatia, P. et al. Synthesis, Characterization, Electrochemical and Antimicrobial Studies of Iron(II) and Nickel(II) Macrocyclic Complexes. Russ J Electrochem 57, 348–356 (2021). https://doi.org/10.1134/S1023193521040091

Herein, we synthesized [12] membered pyridine based transition metal macrocyclic complexes [MIILCl2] (M = Fe(II) and Ni(II), L = 6,12,5,11-tetraphenyl di(2-pyridyl)[b,h][1,4,7,10]-N4[12]annulene). The synthesized macrocycles were characterized by using microanalysis (C, H, and N), DTA/TGA and other spectroscopic techniques. A nonplanar saddle-shaped octahedral geometry was assigned to the macrocycles. The TGA results indicated the higher stability of these macrocycles over 250°C temperature. Cyclic volumetric studies showed the abnormal quasi-reversible behavior for these complexes, which further indicates the unusual oxidation state on metal ions. In addition, these macrocyclic complexes possess good antimicrobial activities against E. coli, P. aeruginosa, B. cereus, S. aureus and antifungal against C. albicans when compared with Gentamycin.

Author information

  • Department of Chemistry, GLA University, 281406, Mathura, Uttar Pradesh, India

    Vinod Kumar Vashistha, Anuj Kumar & Deepak Kumar Das

  • Beijing University of Chemical Technology, 100029, Beijing, China

    Anuj Kumar

  • Department of Chemistry, Gurukul Kangri University, Haridwar, India

    Prashant Tevatia

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