Article detail · 2018
Synthesis, Electrochemistry, DFT Calculations, Antimicrobial Properties and X‐ray Crystal Structures of Some NH‐ and/or S‐ Substituted‐1,4‐quinones
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- 2018
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- article
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Abstract
OpenAlex · English
Abstract The NH‐, NH‐,S‐ substituted‐1,4‐naphthoquinones and NH‐, S‐ substituted‐1,4‐benzoquinones have been synthesized from the reaction between quinones (2,3‐Dibromo‐1,4‐naphthoquinone or p ‐benzoquinone) and different amines. The structures of the compounds have been confirmed using FTIR, UV‐Vis, 1 H‐NMR, 13 C‐NMR, mass MS(ESI) spectrometry and cyclic voltammetry (CV). The ground state energies of the molecules have been estimated using B3LYP functional with different basis sets based on time dependent density functional theory (TD‐DFT). The theoretical ΔE gap values obtained from TD‐DFT calculations have been compared with UV visible spectroscopy results. Antibacterial and antifungal activities of the synthesized compounds have been evaluated against Escherichia coli, Staphylococcus aureus and Microsporum canis, Trichophyton mentagrophytes, respectively. Two representative crystal structures of quinone derivatives, 2‐(4‐Fluorophenylamino)‐3‐bromonaphthalene‐1,4‐dione and 2‐(3,5‐Dimethylphenylthio)cyclohexa‐2,5‐diene‐1,4‐dione, are reported with CCDC 1811265 and CCDC 1811263, respectively.
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17 citations
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15 publications in the local catalog that cite this work (OpenAlex reference match; not the full global list).
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- Discovery of a new family of heterocyclic amine linked plastoquinone analogs for antimicrobial evaluation 2019
- Design, synthesis, characterization, and antimicrobial activity of novel piperazine substituted 1,4-benzoquinones 2020
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- Brominated plastoquinone analogs: Synthesis, structural characterization, and biological evaluation 2020
- Synergistic activities of ceftazidime-avibactam in combination with different antibiotics against colistin-nonsusceptible clinical strains of Pseudomonas aeruginosa 2020
- Thiolated plastoquinone analogs: Synthesis, characterization, and antimicrobial evaluation 2019