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García-López J, Khomenko DM, Zakharchenko BV, Doroshchuk RO, Starova VS, Iglesias MJ, Lampeka RD, López-Ortiz F. Solvent- and functional-group-assisted tautomerism of 3-alkyl substituted 5-(2-pyridyl)-1,2,4-triazoles in DMSO-water. Org Biomol Chem 2023; 21:9443-9458. [PMID: 37997179 DOI: 10.1039/d3ob01651j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
The tautomerism of a series of 5-alkyl substituted 3-(2-pyridyl)-1,2,4-triazoles in DMSO-d6-containing water has been investigated by 1H, 13C and 15N NMR spectroscopy. The populations of the three possible regioisomers in the tautomeric equilibrium (A [3-alkyl-5-(2-pyridyl)-1H], B [5-alkyl-3-(2-pyridyl)-1H] and C [5-alkyl-3-(2-pyridyl)-4H]) were determined. Isomers A (17-40%) and B (54-79%) are the major components and their ratio is insensitive to the substitution pattern, except for the unsubstituted and the methoxymethyl substituted derivatives. The isomer C (3-5%) has been fully characterised for the first time by NMR spectroscopy. Activation energies of tautomerisation (14.74-16.78 kcal mol-1) were determined by EXSY experiments, which also supported the involvement of water in the tautomerisation. Substituent effects on the 15N chemical shifts are relatively small. The DFT study of the tautomerism in DMSO-water showed that both A/B and B/C interconversions are assisted by the pyridine substituent and catalysed by solvent molecules. The NH-A/NH-B tautomerisation takes place via a relayed quadruple proton transfer mediated by three water molecules in the hydrogen-bonded cyclic substructure of a triazole·4H2O complex. The equilibrium B ⇄ C involves three steps: NH-B transfer to the pyridyl nitrogen mediated by a water molecule in a 1 : 1 cyclic complex, rotamerisation to bring the pyridinium NH close to N4 of the triazole catalysed by complexation to a DMSO molecule and transfer of the NH from the pyridinium donor to the N4 acceptor via a 1 : 1 complex with a bridging water molecule. This mechanism of 1,3-prototropic shift in triazoles is unprecedented in the literature.
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Affiliation(s)
- Jesús García-López
- Área de Química Orgánica, Research Centre CIAIMBITAL, Universidad de Almería, Carretera de Sacramento s/n, Almería, 04120, Spain.
| | - Dmytro M Khomenko
- Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska Street, 64/13, Kyiv 01601, Ukraine.
| | - Borys V Zakharchenko
- Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska Street, 64/13, Kyiv 01601, Ukraine.
| | - Roman O Doroshchuk
- Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska Street, 64/13, Kyiv 01601, Ukraine.
| | - Viktoriia S Starova
- Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska Street, 64/13, Kyiv 01601, Ukraine.
| | - María José Iglesias
- Área de Química Orgánica, Research Centre CIAIMBITAL, Universidad de Almería, Carretera de Sacramento s/n, Almería, 04120, Spain.
| | - Rostyslav D Lampeka
- Department of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska Street, 64/13, Kyiv 01601, Ukraine.
| | - Fernando López-Ortiz
- Área de Química Orgánica, Research Centre CIAIMBITAL, Universidad de Almería, Carretera de Sacramento s/n, Almería, 04120, Spain.
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Hariri A, Shayesteh S, Asgharian P, Yousefi V, Chamanara M, Sadrzadeh-Afshar MS. Evaluating the effects of zeolitic imidazolate framework and Eremostachys binalodensis extract on Candida albicans and Streptococcus mutans biofilms. Eur J Oral Sci 2022; 130:e12904. [PMID: 36372561 DOI: 10.1111/eos.12904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 10/21/2022] [Indexed: 11/15/2022]
Abstract
Biofilms represent longstanding challenges to oral health care. Candida albicans and Streptococcus mutans are the common pathogens forming biofilms. The growing resistance to and the adverse effects of antibiotics limit their usage and raise the need for novel approaches. Herbal extracts have emerged as efficient choices with lower costs and fewer adverse effects. Metal frameworks have captivated interest due to their high surface area, special biocompatibility, and non-toxicity. The effects of zeolitic imidazolate frameworks/layered double hydroxide (ZIF/LDH) on fungal infections and the potential effects of Eremostachys binalodensis on bacteria encouraged the researchers to evaluate the effect of ZIF/LDH, E. binalodensis, and their combination on C. albicans and S. mutans biofilms. ZIF/LDH nanocomposite was synthesized and characterized using scanning electron microscopy, Fourier transform infrared spectra, and X-ray diffraction to assess morphology and chemical structure. Methanol extracts of the areal parts of E. binalodensis were obtained by Soxhlet extraction. The microdilution tests and biofilm crystal violet staining were applied. Concentrations of 2.048 and 4.096 mg/ml E. binalodensis prevented C. albicans and S. mutans biofilm formation. The combination of ZIF/LDH + E. binalodensis prevented C. albicans and S. mutans biofilm formation. This research suggests the use of E. binalodensis-loaded ZIF/LDH nanocomposites for removing biofilms.
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Affiliation(s)
- Armin Hariri
- Oral and Maxillofacial Medicine Department, Faculty of Dentistry, Aja University of Medical Sciences, Tehran, Iran
| | - Sevda Shayesteh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alborz University of Medical Sciences, Karaj, Iran
| | - Parina Asgharian
- Department of Pharmacognosy, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Yousefi
- Molecular Medicine Research Center, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohsen Chamanara
- Department of Pharmacology, Faculty of Medicine, Aja University of Medical Sciences, Tehran, Iran.,Toxicology Research Center, Aja University of Medical Sciences, Tehran, Iran
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Electrochemical oxidation Intermolecular [3+2] Cycloaddition of N-tosylhydrazones and Quinolone Derivatives to Access Fused 1,2,4-Triazole Compounds. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Deferasirox pyridine solvate and its Cu(II) complex: Synthesis, crystal structure, Hirshfeld surface analysis, antimicrobial assays and antioxidant activity. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131525] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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5
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Nong W, Wu J, Ghiladi RA, Guan Y. The structural appeal of metal–organic frameworks in antimicrobial applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214007] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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6
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Sensitization of nontoxic MOF for their potential drug delivery application against microbial infection. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120381] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Luo D, Lu R, Wang C, Tong Y, Liu C, Xiao Y, Chen Y. The Antibacterial Mechanism of Zn(
II
) Frame Supported on Alginate Membrane. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.12121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Dan Luo
- Department of chemistry and chemical Engineering, School of Life Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 People's Republic of China
| | - Ruo‐Wei Lu
- Department of chemistry and chemical Engineering, School of Life Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 People's Republic of China
| | - Cui‐Juan Wang
- Department of chemistry and chemical Engineering, School of Life Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 People's Republic of China
| | - Yan Tong
- Department of chemistry and chemical Engineering, School of Life Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 People's Republic of China
| | - Cheng Liu
- Department of chemistry and chemical Engineering, School of Life Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 People's Republic of China
| | - Yu‐Mei Xiao
- Department of chemistry and chemical Engineering, School of Life Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 People's Republic of China
| | - Yan‐Xia Chen
- Department of chemistry and chemical Engineering, School of Life Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 People's Republic of China
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Liu J, Qiu H, Zhang F, Li Y. Zeolitic imidazolate framework-8 coated Fe 3O 4@SiO 2 composites for magnetic solid-phase extraction of bisphenols. NEW J CHEM 2020. [DOI: 10.1039/d0nj00006j] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new magnetic composite material ZIF-8 coated Fe3O4@SiO2 was employed for preconcentration and detection of trace BPs in water and plastic products.
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Affiliation(s)
- Jinfei Liu
- Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University)
- Tianjin Key Laboratory of Structure and Performance for Functional Molecule
- College of Chemistry
- Tianjin Normal University
- Tianjin
| | - Huijiao Qiu
- Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University)
- Tianjin Key Laboratory of Structure and Performance for Functional Molecule
- College of Chemistry
- Tianjin Normal University
- Tianjin
| | - Fei Zhang
- Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University)
- Tianjin Key Laboratory of Structure and Performance for Functional Molecule
- College of Chemistry
- Tianjin Normal University
- Tianjin
| | - Yan Li
- Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University)
- Tianjin Key Laboratory of Structure and Performance for Functional Molecule
- College of Chemistry
- Tianjin Normal University
- Tianjin
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Cheng K, Ling C, Gu D, Gao Z, Li Y, An P, Zhang Y, You C, Zhang R, Sun B. Multimodal therapies: glucose oxidase-triggered tumor starvation-induced synergism with enhanced chemodynamic therapy and chemotherapy. NEW J CHEM 2020. [DOI: 10.1039/c9nj05469c] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A tumor microenvironment is distinct from normal tissue cells in characteristic physiochemical conditions, based on which we can design tumor-specific therapy modalities.
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Affiliation(s)
- Kaiwu Cheng
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
| | - Chuxuan Ling
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
| | - Dihai Gu
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
| | - Zhiguo Gao
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
| | - Yaojia Li
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
| | - Peijing An
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
| | - Yu Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
| | - Chaoqun You
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- P. R. China
| | - Rui Zhang
- Department of Ophthalmology
- Zhongda Hospital
- Southeast University
- Nanjing 210009
- China
| | - Baiwang Sun
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 210089
- P. R. China
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