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Gayathri R, Akshaya M, Imran PM, Nagarajan S. Modified Donor End Caps for Binary-to-Ternary WORM Memory Conversion in N-Heteroaromatic Systems. Chemphyschem 2024; 25:e202400062. [PMID: 38507519 DOI: 10.1002/cphc.202400062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/19/2024] [Accepted: 03/20/2024] [Indexed: 03/22/2024]
Abstract
A series of novel D-π-A type organic small molecules have been designed, synthesized, and demonstrated for non-volatile resistive switching WORM memory application. The electron-deficient phenazine and quinoxaline units were coupled with various functionalized triphenylamine end caps to explore the structure-property correlations. The photophysical investigations displayed considerable intramolecular charge transfer, and the electrochemical analysis revealed an optimum band gap of 2.44 to 2.83 eV. These factors and the thin film morphological studies suggest the feasibility of the compounds as better resistive memory devices. All the compounds indicated potent non-volatile resistive switching memory capabilities with ON/OFF ratios ranging from 103 to 104, and the lowest threshold voltage recorded stands at -0.74 V. A longer retention time of 103 s marks the substantial stability of the devices. The phenazine-based compounds outperformed the others in terms of memory performance. Exceptionally, the compound with -CHO substituted triphenylamine exhibited ternary memory performance owing to its multiple traps. The resistive switching mechanism for the devices was validated using density functional theory calculations, which revealed that the integrated effect of charge transfer and charge trapping contributes significantly to the resistive switching phenomena.
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Affiliation(s)
- Ramesh Gayathri
- Department of Chemistry, Central University of TamilNadu, Thiruvarur, 610 005, India
| | - Madanan Akshaya
- Department of Chemistry, Central University of TamilNadu, Thiruvarur, 610 005, India
| | | | - Samuthira Nagarajan
- Department of Chemistry, Central University of TamilNadu, Thiruvarur, 610 005, India
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Suma M, Sushma GN, Bellad SS, Murthy VNN, AlAsbahi BA, Nadaf YF. Synthesis, Spectral Characterization and Photoluminescence of 3-chloro-6-methoxy-2-(methylsulfanyl)quinoxaline in Different Solvents: An Experimental and Theoretical Investigation Using DFT. J Fluoresc 2024:10.1007/s10895-024-03676-y. [PMID: 38558125 DOI: 10.1007/s10895-024-03676-y] [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: 01/18/2024] [Accepted: 03/14/2024] [Indexed: 04/04/2024]
Abstract
In the present work, we synthesized 3-chloro-6-methoxy-2-(methyl sulfanyl) quinoxaline (3MSQ) using a microwave-assisted synthesis method. The physicochemical structural analysis of the synthesized compound utilizing 1H-NMR, 13C-NMR, and FT-IR spectroscopy techniques. The photophysical properties of 3MSQ was examined through absorption and fluorescence spectroscopy. Spectroscopic analyses revealed a bathochromic shift in both absorption and fluorescence spectra, attributed to the π → π* transition. Ground and excited state dipole moments was experimentally determined using the solvatochromic shift method, employing various correlations such as Lippert's, Bakhshiev's, Kawski-Chamma-Viallet's equations, and solvent polarity parameters. Our findings indicate that the excited state dipole moments exceed those of the ground state, suggesting increased polarity in the excited state. Further, the while detailed bond length, bond angles, dihedral angles, Mulliken charge distribution, ground state dipole moments and HOMO-LUMO energy gap estimated through ab initio computations using Gaussian-09W. The value of energy band gap obtained from both the methods are in good agreement. Furthermore, employing DFT computational analysis, we identified reactive centers such as electrophilic and nucleophilic sites using molecular electrostatic potential (MESP) 3D plots. Additionally, CIE chromaticity analysis was performed to understand the photoluminescent properties of 3MSQ. The insights derived from these analyses contribute to a better understanding of the molecule's electronic structure, photophysical properties, and solute-solvent interactions, thus providing valuable information regarding its behaviour and characteristics under diverse conditions. These results contribute to a comprehensive understanding of the molecular structure and properties of 3-chloro-6-methoxy-2-(methyl sulfanyl) quinoxaline (3MSQ).
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Affiliation(s)
- M Suma
- PG Department of Physics, Materials Research Centre, Maharani Science College for Women, Maharani Cluster University, 560001, Bengaluru, India
| | - G N Sushma
- PG Department of Physics, Materials Research Centre, Maharani Science College for Women, Maharani Cluster University, 560001, Bengaluru, India
| | - S S Bellad
- PG Department of Physics, Materials Research Centre, Maharani Science College for Women, Maharani Cluster University, 560001, Bengaluru, India
| | - V N Narasimha Murthy
- PG Department of Physics, Materials Research Centre, Maharani Science College for Women, Maharani Cluster University, 560001, Bengaluru, India
| | - Bandar Ali AlAsbahi
- Department of Physics & Astronomy, College of Science, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - Y F Nadaf
- PG Department of Physics, Materials Research Centre, Maharani Science College for Women, Maharani Cluster University, 560001, Bengaluru, India.
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Sulaiman AA, Al-Ansari DE, Ali R, Aouida M, Ramotar D. Mft1, identified from a genome-wide screen of the yeast haploid mutants, mediates cell cycle arrest to counteract quinoxaline-induced toxicity. Front Genet 2024; 14:1296383. [PMID: 38283148 PMCID: PMC10811161 DOI: 10.3389/fgene.2023.1296383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 12/31/2023] [Indexed: 01/30/2024] Open
Abstract
Quinoxaline is a heterocyclic compound with a two-membered ring structure that undergoes redox cycling to produce toxic free radicals. It has antiviral, antibacterial, antifungal, and antitumor activities. However, the biological functions that are involved in mounting a response against the toxic effects of quinoxaline have not been investigated. Herein, we performed a genome-wide screen using the yeast haploid mutant collection and reported the identification of 12 mutants that displayed varying sensitivity towards quinoxaline. No mutant was recovered that showed resistance to quinoxaline. The quinoxaline-sensitive mutants were deleted for genes that encode cell cycle function, as well as genes that belong to other physiological pathways such as the vacuolar detoxification process. Three of the highly sensitive gene-deletion mutants lack the DDC1, DUN1, and MFT1 genes. While Ddc1 and Dun1 are known to perform roles in the cell cycle arrest pathway, the role of Mft1 remains unclear. We show that the mft1Δ mutant is as sensitive to quinoxaline as the ddc1Δ mutant. However, the double mutant ddc1Δ mft1Δ lacking the DDC1 and MFT1 genes, is extremely sensitive to quinoxaline, as compared to the ddc1Δ and mft1Δ single mutants. We further show that the mft1Δ mutant is unable to arrest in the G2/M phase in response to the drug. We conclude that Mft1 performs a unique function independent of Ddc1 in the cell cycle arrest pathway in response to quinoxaline exposure. This is the first demonstration that quinoxaline exerts its toxic effect likely by inducing oxidative DNA damage causing cell cycle arrest. We suggest that clinical applications of quinoxaline and its derivatives should entail targeting cancer cells with defective cell cycle arrest.
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Affiliation(s)
- Abdallah Alhaj Sulaiman
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Dana E. Al-Ansari
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Reem Ali
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Mustapha Aouida
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Dindial Ramotar
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
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Ganjoo R, Verma C, Kumar A, Quraishi MA. Colloidal and interface aqueous chemistry of dyes: Past, present and future scenarios in corrosion mitigation. Adv Colloid Interface Sci 2023; 311:102832. [PMID: 36603299 DOI: 10.1016/j.cis.2022.102832] [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: 09/07/2022] [Revised: 12/08/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022]
Abstract
The most effective corrosion inhibitors are organic compounds, especially heterocyclic ones with a certain balance of hydrophilicity, hydrophobicity, and conjugation. Most dyes develop the critical characteristics of a substance that can be utilized as an effective corrosion inhibitor. These include the presence of polar functional groups, nonbonding electrons and multiple bonds of the aromatic ring(s) and side chains. In aqueous electrolytes, dyes efficiently bind to metal surfaces through their electron-rich spots, known as adsorption centers. Literature studies show that many dye series have excellent anticorrosive properties for many metal/electrolyte combinations. They contain many electron-donating sites and behave as polydentate and chelating ligands. The polar functional for instance -OH, -CONH2, -NH2, -OR, -SO3H, -COOH, -NMe2, -N=N-, -CHO, -N=C < etc. also help in solubilizing relatively complex dye molecules in aqueous electrolytes. This review work seeks to explain the interfacial adsorption of dye molecules and how that negatively affects metallic corrosion. Through their adsorption, dye molecules block the active sites. They mainly achieved this by employing the Langmuir isotherm model. Additionally, the mechanism of corrosion inhibition is investigated, with a special emphasis on dyes.
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Affiliation(s)
- Richika Ganjoo
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Punjab, India
| | - Chandrabhan Verma
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
| | - Ashish Kumar
- NCE, Aryabhatta Knowledge University, Department of Science and Technology, Patna, Bihar 800001, India
| | - M A Quraishi
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
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Experimental and theoretical studies of hexylmeythylimidazolium tetrafluoroborate ionic liquid as cathodic corrosion inhibitor for mild steel. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Quadri TW, Olasunkanmi LO, Fayemi OE, Lgaz H, Dagdag O, Sherif ESM, Alrashdi AA, Akpan ED, Lee HS, Ebenso EE. Computational insights into quinoxaline-based corrosion inhibitors of steel in HCl: Quantum chemical analysis and QSPR-ANN studies. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103870] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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Karimian A, Norouzi M, Nasri Fargi Z. Application of sulfuric acid modified nano kaolin as a heterogeneous catalyst for the efficient synthesis of quinoxalines and benzothiazines. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2022.2078365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Azam Karimian
- Department of Chemistry, Faculty of Sciences, University of Gonabad, Gonabad, Iran
| | - Mahdi Norouzi
- Chemistry and Chemical Engineering, Maleke Ashtar University of Technology, Tehran, Iran
| | - Zahra Nasri Fargi
- Department of Chemistry, Faculty of Sciences, University of Gonabad, Gonabad, Iran
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Missioui M, Lgaz H, Guerrab W, Lee HS, Warad I, Mague JT, Ali IH, Essassi EM, Ramli Y. Synthesis of novel hybrid quinoxaline containing triazole and acetamide moieties by azide-alkyne click chemistry: Experimental and theoretical characterization. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132132] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Zhang L, Cheng T. The crystal structure of 7-Bromo-2-(4-chloro-phenyl)-quinoxaline, C14H9BrClN2. Z KRIST-NEW CRYST ST 2022. [DOI: 10.1515/ncrs-2022-0008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C14H8BrClN2, monoclinic, P21/n (no. 14), a = 17.1347(11) Å, b = 3.8441(2) Å, c = 18.4127(12) Å, β = 97.861(2)°, V = 1201.40(13) Å3, Z = 4, R
gt
(F) = 0.0388, wR
ref
(F
2) = 0.1302, T = 170 K.
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Affiliation(s)
- Lilei Zhang
- College of Chemistry and Chemical Engineering, Luoyang Normal University , 471934 , Luoyang , China
| | - Tianyu Cheng
- College of Chemistry and Chemical Engineering, Luoyang Normal University , 471934 , Luoyang , China
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Shahini M, Ramezanzadeh M, Ramezanzadeh B. Effective steel alloy surface protection from HCl attacks using Nepeta Pogonesperma plant stems extract. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127990] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Discotic anthraquinones as novel corrosion inhibitor for mild steel surface. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Varvara S, Berghian-Grosan C, Bostan R, Ciceo RL, Salarvand Z, Talebian M, Raeissi K, Izquierdo J, Souto RM. Experimental characterization, machine learning analysis and computational modelling of the high effective inhibition of copper corrosion by 5‐(4‐pyridyl)‐1,3,4‐oxadiazole‐2‐thiol in saline environment. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.139282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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DFT/electronic scale, MD simulation and evaluation of 6-methyl-2-(p-tolyl)-1,4-dihydroquinoxaline as a potential corrosion inhibition. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116539] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Guo H, Sun W, Zhang Q, Wu Y, Wu D, Liu Y, Yu B, Yu Q, Cai M. Imidazolium ionic liquid bearing urea moiety as a new corrosion inhibitor of mild steel. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116484] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Galai M, Rbaa M, Serrar H, Ouakki M, Ech-chebab A, Abousalem AS, Ech-chihbi E, Dahmani K, Boukhris S, Zarrouk A, EbnTouhami M. S-Thiazine as effective inhibitor of mild steel corrosion in HCl solution: Synthesis, experimental, theoretical and surface assessment. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.126127] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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