The Schiff base; 2-hydroxybenzalidene-1-naphthylamine and its Mn(II) and Ni(II) complexes were synthesized and characterized using, conductivity measurement, magnetic susceptibility, elemental analyses, melting point/decomposition temperature, electronic spectral analyses, infrared spectral analysis and solubility test. The Schiff base and its metal complexes were tested for antimicrobial activity. The molar conductance values range (6.52 – 23.1 Ω-1cm2mol-1) revealed non-electrolytic nature of the complexes. The magnetic susceptibility values; 5.91 BM indicated Mn(II) complex as paramagnetic while –Ve indicated Ni(II) complex as diamagnetic. The elemental analyses results revealed slight differences between calculated and observed percentages of values of C, H, and N, which is in line with the proposed structures of the synthesized compounds. The high decomposition temperature range (201 – 223°C) indicated good stability of the complexes. The infrared spectra analysis results suggested that the Schiff base behave as bidentate ligand coordinates to metal ion via azomethine nitrogen and phenolic oxygen. The antimicrobial activity of the Schiff base and its metal complexes were carried out using agar well diffusion method against two bacteria strains; (Salmonella typhi and streptococcus pneumoniae) and two fungal isolates; (Aspergillus fumigatus and Rhizopus species). The results revealed that the Schiff base and its metal complexes exhibited moderate antimicrobial activity as compared with the standard drugs; (Gentamycin and Nystatin).
Published in | American Journal of Applied Chemistry (Volume 11, Issue 3) |
DOI | 10.11648/j.ajac.20231103.13 |
Page(s) | 86-94 |
Creative Commons |
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), 2023. Published by Science Publishing Group |
Schiff Base, Complexes, 2-hydroxybenzaldehyde, 1-naphthylamine, Antimicrobial Activity
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APA Style
Ibrahim Kani Aminu, Abdulwaris Abdullahi Daura. (2023). Synthesis, Characterization and Study of Antimicrobial Activity of Mn(II) and Ni(II) Complexes with Schiff Base Derived from 2-Hydroxy-benzaldehyde and 1-Naphthylamine. American Journal of Applied Chemistry, 11(3), 86-94. https://doi.org/10.11648/j.ajac.20231103.13
ACS Style
Ibrahim Kani Aminu; Abdulwaris Abdullahi Daura. Synthesis, Characterization and Study of Antimicrobial Activity of Mn(II) and Ni(II) Complexes with Schiff Base Derived from 2-Hydroxy-benzaldehyde and 1-Naphthylamine. Am. J. Appl. Chem. 2023, 11(3), 86-94. doi: 10.11648/j.ajac.20231103.13
AMA Style
Ibrahim Kani Aminu, Abdulwaris Abdullahi Daura. Synthesis, Characterization and Study of Antimicrobial Activity of Mn(II) and Ni(II) Complexes with Schiff Base Derived from 2-Hydroxy-benzaldehyde and 1-Naphthylamine. Am J Appl Chem. 2023;11(3):86-94. doi: 10.11648/j.ajac.20231103.13
@article{10.11648/j.ajac.20231103.13, author = {Ibrahim Kani Aminu and Abdulwaris Abdullahi Daura}, title = {Synthesis, Characterization and Study of Antimicrobial Activity of Mn(II) and Ni(II) Complexes with Schiff Base Derived from 2-Hydroxy-benzaldehyde and 1-Naphthylamine}, journal = {American Journal of Applied Chemistry}, volume = {11}, number = {3}, pages = {86-94}, doi = {10.11648/j.ajac.20231103.13}, url = {https://doi.org/10.11648/j.ajac.20231103.13}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20231103.13}, abstract = {The Schiff base; 2-hydroxybenzalidene-1-naphthylamine and its Mn(II) and Ni(II) complexes were synthesized and characterized using, conductivity measurement, magnetic susceptibility, elemental analyses, melting point/decomposition temperature, electronic spectral analyses, infrared spectral analysis and solubility test. The Schiff base and its metal complexes were tested for antimicrobial activity. The molar conductance values range (6.52 – 23.1 Ω-1cm2mol-1) revealed non-electrolytic nature of the complexes. The magnetic susceptibility values; 5.91 BM indicated Mn(II) complex as paramagnetic while –Ve indicated Ni(II) complex as diamagnetic. The elemental analyses results revealed slight differences between calculated and observed percentages of values of C, H, and N, which is in line with the proposed structures of the synthesized compounds. The high decomposition temperature range (201 – 223°C) indicated good stability of the complexes. The infrared spectra analysis results suggested that the Schiff base behave as bidentate ligand coordinates to metal ion via azomethine nitrogen and phenolic oxygen. The antimicrobial activity of the Schiff base and its metal complexes were carried out using agar well diffusion method against two bacteria strains; (Salmonella typhi and streptococcus pneumoniae) and two fungal isolates; (Aspergillus fumigatus and Rhizopus species). The results revealed that the Schiff base and its metal complexes exhibited moderate antimicrobial activity as compared with the standard drugs; (Gentamycin and Nystatin).}, year = {2023} }
TY - JOUR T1 - Synthesis, Characterization and Study of Antimicrobial Activity of Mn(II) and Ni(II) Complexes with Schiff Base Derived from 2-Hydroxy-benzaldehyde and 1-Naphthylamine AU - Ibrahim Kani Aminu AU - Abdulwaris Abdullahi Daura Y1 - 2023/07/06 PY - 2023 N1 - https://doi.org/10.11648/j.ajac.20231103.13 DO - 10.11648/j.ajac.20231103.13 T2 - American Journal of Applied Chemistry JF - American Journal of Applied Chemistry JO - American Journal of Applied Chemistry SP - 86 EP - 94 PB - Science Publishing Group SN - 2330-8745 UR - https://doi.org/10.11648/j.ajac.20231103.13 AB - The Schiff base; 2-hydroxybenzalidene-1-naphthylamine and its Mn(II) and Ni(II) complexes were synthesized and characterized using, conductivity measurement, magnetic susceptibility, elemental analyses, melting point/decomposition temperature, electronic spectral analyses, infrared spectral analysis and solubility test. The Schiff base and its metal complexes were tested for antimicrobial activity. The molar conductance values range (6.52 – 23.1 Ω-1cm2mol-1) revealed non-electrolytic nature of the complexes. The magnetic susceptibility values; 5.91 BM indicated Mn(II) complex as paramagnetic while –Ve indicated Ni(II) complex as diamagnetic. The elemental analyses results revealed slight differences between calculated and observed percentages of values of C, H, and N, which is in line with the proposed structures of the synthesized compounds. The high decomposition temperature range (201 – 223°C) indicated good stability of the complexes. The infrared spectra analysis results suggested that the Schiff base behave as bidentate ligand coordinates to metal ion via azomethine nitrogen and phenolic oxygen. The antimicrobial activity of the Schiff base and its metal complexes were carried out using agar well diffusion method against two bacteria strains; (Salmonella typhi and streptococcus pneumoniae) and two fungal isolates; (Aspergillus fumigatus and Rhizopus species). The results revealed that the Schiff base and its metal complexes exhibited moderate antimicrobial activity as compared with the standard drugs; (Gentamycin and Nystatin). VL - 11 IS - 3 ER -