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INDONESIA
Indonesian Journal of Chemistry
Published by Universitas Gadjah Mada
ISSN : 14119420     EISSN : 24601578     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry
Indonesian Journal of Chemistry is an International, peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of chemistry including applied chemistry. The journal is accredited by The Ministry of Research, Technology and Higher Education (RISTEKDIKTI) No : 21/E/KPT/2018 (in First Rank) and indexed in Scopus since 2012. Since 2018 (Volume 18), Indonesian Journal of Chemistry publish four issues (numbers) annually (February, May, August and November).
Arjuna Subject : -
Articles 1,981 Documents
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Study of Bioactivity and Physicochemical Properties of New Metal Chelates of Schiff Base Derived from 4-Aminoantipyrine with Cysteine Hussein, Kawther Adeeb; Ali, Dina Naseer; Faeq, Marwa
Indonesian Journal of Chemistry Vol 26, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.111223

Abstract

Transition metallic complexes Cr, Co, Ni, Mn, and Cu were designed and prepared using a new bidentate chelator ligand from 4-aminoantipyrine with cysteine. The products were characterized using various analytical, spectroscopic, and theoretical methods. According to the various analysis data, the azomethine-Schiff base chelator linked with metallic cations as a neutral bidentate chelator exhibited distorted octahedral and tetrahedral structures, with protonated and deprotonated carboxyl oxygen and azomethine nitrogen atoms in a molar ratio of 1:2 metal: ligand in a structure of [M(L)2Cl2]·nH2O and [M(L)2]·Cl2nH2O. According to mass spectroscopy, the molecular weights of the azomethine-Schiff base closely match those estimated by m/z. Additionally, Fourier-transform infrared (FTIR), ultraviolet-visible (UV-vis), 1H-NMR, and 13C-NMR spectra, LC-MS, magnetic moment, and molar conductance were used to study the structure of the azomethine-Schiff base ligand and metallic complexes. The antibacterial activity was tested against Staphylococcus aureus, Streptococcus pyogenes, Escherichia coli, and Acinetobacter baumannii, while the antifungal activity was evaluated against Candida albicans, Candida parapsilosis, Candida lusitaniae, and Candida tropicalis. The free ligand showed negligible activity, whereas its metal complexes exhibited moderate to strong antimicrobial effects, confirming that metal coordination significantly enhances biological potency.

Page 199 of 199 | Total Record : 1981

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