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Shakya S, Khan IM, Shakya B, Siddique YH, Varshney H, Jyoti S. Protective effect of the newly synthesized and characterized charge transfer (CT) complex against arecoline induced toxicity in third-instar larvae of transgenic Drosophila melanogaster (hsp70-lacZ)Bg9: experimental and theoretical mechanistic insights. J Mater Chem B 2023; 11:1262-1278. [PMID: 36648430 DOI: 10.1039/d2tb02362h] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Agents that suppress the toxic effect of arecoline (a chemical present in the Areca nut fruit) have become a need of the hour owing to its several harmful effects on human beings. Although some drug molecules have been developed for this purpose, yet, simple, easy to prepare, and economical molecules with remarkable potency are still a challenge to design. The present work thus becomes important as it involves the synthesis of a new charge transfer complex (CTC) material, which has, for the first time, been screened to investigate its effect on the toxic effects of arecoline. The newly designed material (CL), which is generated from the reaction between 2,4,6-trinitrophenol (TNP) and pyrazole (PYZ), has been crystallized by a slow evaporation method and characterized by employing spectral studies including single crystal X-ray crystallography. Spectrophotometry studies with the inclusion of the Benesi-Hildebrand equation reveal 1 : 1 stoichiometry and physical parameters of CL. Assays were used for determining the protective effect of CL against arecoline. CL was found to (dose-dependently) decrease β-galactosidase activity, damage in tissue and DNA damage caused by arecoline (80 μM) in the third-instar larvae of the transgenic Drosophila melanogaster (hsp70-lacZ)Bg9. The possible mechanism of this effect was explored through fluorescence and UV-vis spectroscopy. The possibility of suppression of arecoline action on the muscarinic acetylcholine receptor 1-G11 protein complex (found in the cell membrane) in the presence of CL was studied theoretically by molecular docking. Density functional theory (DFT) also theoretically supported various aspects of the designed material concerning the energy profile of the orbitals (HOMO-LUMO) as well as the energy minimized structure. Furthermore, time dependent (TD) DFT corroborated the electronic properties of the designed material.
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Affiliation(s)
- Sonam Shakya
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
| | - Ishaat M Khan
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
| | - Barkha Shakya
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | | | - Himanshi Varshney
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | - Smita Jyoti
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
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Charge transfer Interaction between 2, 3-Diamino-5-bromopyridine and 2, 4-Dinitrophenol: Synthesis, Spectroscopic Characterization, DNA binding analysis, and Density Functional studies. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2023.100836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
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Miyan L, Adam AMA, Refat MS, Alsuhaibani AM. 2-aminopyrimidine-oxalic acid liquid–liquid charge-transfer interactions: Synthesis, spectroscopic characterizations, and the effect of temperature. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ali MM, Gouda AA, Alshammari KF, Alshareef M, Alharbi A, Nawaf Al balawi A, Ali M. Design, spectroscopic, structural characterization, and biological studies for new complexes via charge transfer interaction of ciprofloxacin drug with π acceptors. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Synthesis, Spectroscopic Characterization, DNA binding and DFT/PCM calculations of New Hydrogen-bonded Charge Transfer complex between 4-Dimethylaminopyridine and Chloranilic acid. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Al-Hazmi GH, Hassanien A, Atta A, Refat MS, Saad HA, Shakya S, Adam AMA. Supramolecular charge-transfer complex generated by the interaction between tin(II) 2,3-naphtalocyanine as a donor with DDQ as an acceptor: Spectroscopic studies in solution state and theoretical calculations. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Adam AMA, Saad HA, Refat MS, Hegab MS, Al-Hazmi GH, Mohammed Alsuhaibani A, Mohamed H. The derivation and characterization of quinine charge-transfer complexes with inorganic and organic acceptors in liquid and solid form. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Adam AMA, Saad HA, Refat MS, Hegab MS. Charge-transfer chemistry of two corticosteroids used adjunctively to treat COVID-19. Part I: Complexation of hydrocortisone and dexamethasone donors with DDQ acceptor in five organic solvents. J Mol Liq 2022; 357:119092. [PMID: 35431374 PMCID: PMC8989686 DOI: 10.1016/j.molliq.2022.119092] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/29/2022] [Accepted: 04/02/2022] [Indexed: 12/23/2022]
Abstract
COVID-19 is the disease caused by a novel coronavirus (CoV) named the severe acute respiratory syndrome coronavirus 2 (termed SARS coronavirus 2 or SARS-CoV-2). Since the first case reported in December 2019, infections caused by this novel virus have led to a continuous global pandemic that has placed an unprecedented burden on health, economic, and social systems worldwide. In response, multiple therapeutic options have been developed to stop this pandemic. One of these options is based on traditional corticosteroids, however, chemical modifications to enhance their efficacy remain largely unexplored. Obtaining additional insight into the chemical and physical properties of pharmacologically effective drugs used to combat COVID-19 will help physicians and researchers alike to improve current treatments and vaccines (i.e., Pfizer-BioNTech, AstraZeneca, Moderna, Janssen). Herein, we examined the charge-transfer properties of two corticosteroids used as adjunctive therapies in the treatment of COVID-19, hydrocortisone and dexamethasone, as donors with 2,3-dichloro-5,6-dicyano-p-benzoquinone as an acceptor in various solvents. We found that the examined donors reacted strongly with the acceptor in CH2Cl2 and CHCl3 solvents to create stable compounds with novel clinical potential.
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Affiliation(s)
- Abdel Majid A Adam
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hosam A Saad
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Moamen S Refat
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Mohamed S Hegab
- Deanship of Supportive Studies (D.S.S.), Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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Alsanie WF, Alamri AS, Alyami H, Alhomrani M, Shakya S, Habeeballah H, Alkhatabi HA, Felimban RI, Alzahrani AS, Alhabeeb AA, Raafat BM, Refat MS, Gaber A. Increasing the Efficacy of Seproxetine as an Antidepressant Using Charge-Transfer Complexes. Molecules 2022; 27:molecules27103290. [PMID: 35630766 PMCID: PMC9147639 DOI: 10.3390/molecules27103290] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 01/25/2023] Open
Abstract
The charge transfer interactions between the seproxetine (SRX) donor and π-electron acceptors [picric acid (PA), dinitrobenzene (DNB), p-nitrobenzoic acid (p-NBA), 2,6-dichloroquinone-4-chloroimide (DCQ), 2,6-dibromoquinone-4-chloroimide (DBQ), and 7,7′,8,8′-tetracyanoquinodi methane (TCNQ)] were studied in a liquid medium, and the solid form was isolated and characterized. The spectrophotometric analysis confirmed that the charge–transfer interactions between the electrons of the donor and acceptors were 1:1 (SRX: π-acceptor). To study the comparative interactions between SRX and the other π-electron acceptors, molecular docking calculations were performed between SRX and the charge transfer (CT) complexes against three receptors (serotonin, dopamine, and TrkB kinase receptor). According to molecular docking, the CT complex [(SRX)(TCNQ)] binds with all three receptors more efficiently than SRX alone, and [(SRX)(TCNQ)]-dopamine (CTcD) has the highest binding energy value. The results of AutoDock Vina revealed that the molecular dynamics simulation of the 100 ns run revealed that both the SRX-dopamine and CTcD complexes had a stable conformation; however, the CTcD complex was more stable. The optimized structure of the CT complexes was obtained using density functional theory (B-3LYP/6-311G++) and was compared.
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Affiliation(s)
- Walaa F. Alsanie
- Department of Clinical Laboratories Sciences, The Faculty of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia; (W.F.A.); (A.S.A.); (M.A.)
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif 21944, Saudi Arabia;
| | - Abdulhakeem S. Alamri
- Department of Clinical Laboratories Sciences, The Faculty of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia; (W.F.A.); (A.S.A.); (M.A.)
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif 21944, Saudi Arabia;
| | - Hussain Alyami
- College of Medicine, Taif University, Taif 21944, Saudi Arabia;
| | - Majid Alhomrani
- Department of Clinical Laboratories Sciences, The Faculty of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia; (W.F.A.); (A.S.A.); (M.A.)
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif 21944, Saudi Arabia;
| | - Sonam Shakya
- Department of Chemistry, Faculty of Science, Aligarh Muslim University, Aligarh 202002, India;
| | - Hamza Habeeballah
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences in Rabigh, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Heba A. Alkhatabi
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (H.A.A.); (R.I.F.)
- Center of Excellence in Genomic Medicine Research (CEGMR), King Abdulaziz University, Jeddah 21589, Saudi Arabia
- King Fahd Medical Research Centre, Hematology Research Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Raed I. Felimban
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (H.A.A.); (R.I.F.)
- Center of Innovation in Personalized Medicine (CIPM), 3D Bioprinting Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ahmed S. Alzahrani
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif 21944, Saudi Arabia;
| | | | - Bassem M. Raafat
- Department of Radiological Sciences, College of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia;
| | - Moamen S. Refat
- Department of Chemistry, College of Science, Taif University, Taif 21944, Saudi Arabia
- Correspondence: (M.S.R.); (A.G.)
| | - Ahmed Gaber
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif 21944, Saudi Arabia;
- Department of Biology, College of Science, Taif University, Taif 21944, Saudi Arabia
- Correspondence: (M.S.R.); (A.G.)
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Adam AMA, Saad HA, Refat MS, Hegab MS. Charge-transfer complexes of antipsychotic drug sulpiride with inorganic and organic acceptors generated through two different approaches: Spectral characterization. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118819] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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11
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Yilmaz B, Ozay O. Synthesis of antibiotic-modified silica nanoparticles and their use as a controlled drug release system with antibacterial properties. PHOSPHORUS SULFUR 2022. [DOI: 10.1080/10426507.2022.2049267] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Betul Yilmaz
- Department of Bioengineering and Materials Engineering, School of Graduate Studies, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Ozgur Ozay
- Department of Bioengineering, Faculty of Engineering, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
- Laboratory of Inorganic Materials, Department of Chemistry, Faculty of Science and Arts, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
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12
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Li H, Mu H, Xin C, Cai J, Yuan B, Jin G. Turning ON/OFF the fluorescence of the ESIPT state by changing the hydrogen bond distance and orientation in quinoline–pyrazole derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132146] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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13
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Adam AMA, Saad HA, Atta A, Alsawat M, Hegab MS, Refat MS, Altalhi TA, Alosaimi E, Younes AA. Usefulness of charge-transfer interaction between urea and vacant orbital acceptors to generate novel adsorbent material for the adsorption of pesticides from irrigation water. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118188] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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14
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Analysis of charge-transfer complexes caused by the interaction of the antihypertensive drug valsartan with several acceptors in CH2Cl2 and CHCl3 solvents and correlations between their spectroscopic parameters. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118466] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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15
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D Tecuapa-Flores E, Hernández JG, Roquero-Tejeda P, Arenas-Alatorre JA, Thangarasu P. Rapid electrochemical recognition of trimethoprim in human urine samples using new modified electrodes (CPE/Ag/Au NPs) analysing tunable electrode properties: experimental and theoretical studies. Analyst 2021; 146:7653-7669. [PMID: 34806723 DOI: 10.1039/d1an01408k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Pharmaceutical effluents are a serious environmental issue, which require to be treated by a suitable technique; thus, the electrochemical process is actively considered as a viable method for the treatment. In this work, new carbon paste electrodes (CPEs) were fabricated by compressing gold and silver nanoparticles (NPs), namely, CPE/Ag NPs, CPE/Au NPs, and CPE/Ag/Au NPs and then completely characterized by different analytical methods. The performance of the electrodes was studied after determining their surface area (×10-6 cm2) as 4.17, 5.05, 5.27, and 5.12, producing high anodic currents for K4[Fe(CN)6] compared to the commercial electrode. This agrees with the results of impedance study, where the electron transfer rate constants (kapp, ×10-3 cm s-1) were determined to be 28.7, 42.6, 41.0, and 101.4 for CPE, CPE/Ag NPs, CPE/Au NPs, and CPE/Ag/Au NPs, respectively, through the Bode plot-phase shifts. This is consistent with the charge transfer resistance (RCT, Ω), resulting as 171 for CPE/Ag/Au NPs < 395 for CPE/Ag NPs < 427 for CPE/Au NPs and < 742 for CPE. Therefore, these electrodes were employed to detect trimethoprim (TMP) since metallic NPs contribute good crystallinity, stability, conduciveness, and surface plasmon resonance to the CPE, convalescing the sensitivity; comprehensively, they were applied for its detection in real water and human urine samples, and the limit of detection (LOD) was as low as 0.026, 0.032, and 0.026 μmol L-1 for CPE/Ag NPs, CPE/Au NPs, and CPE/Ag/Au NPs, respectively. In contrast, unmodified CPE was unable to detect TMP due to the lack of efficiency. The developed technique shows excellent electrochemical recovery of 92.3 and 97.1% in the urine sample. Density functional theory (DFT) was used to explain the impact of the metallic center in graphite through density of states (DOS).
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Affiliation(s)
- Eduardo D Tecuapa-Flores
- Facultad de Química, Universidad Nacional Autónoma de México, Cd. Universitaria, 04510 México, D.F., Mexico.
| | - José Guadalupe Hernández
- Centro Tecnológico, Facultad de Estudios Superiores (FES-Aragón), Universidad Nacional Autónoma de México, Estado de México, CP 57130, Mexico
| | - Pedro Roquero-Tejeda
- Facultad de Química, Universidad Nacional Autónoma de México, Cd. Universitaria, 04510 México, D.F., Mexico.
| | - Jesús A Arenas-Alatorre
- Instituto de Fisica, Universidad Nacional Autónoma de México, Cd. Universitaria, 04510 México, D.F., Mexico
| | - Pandiyan Thangarasu
- Facultad de Química, Universidad Nacional Autónoma de México, Cd. Universitaria, 04510 México, D.F., Mexico.
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Utilization of charge-transfer complexation to generate carbon-based nanomaterial for the adsorption of pollutants from contaminated water: Reaction between urea and vacant orbital acceptors. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117416] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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17
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Muslim M, Kamaal S, Mehkoom M, Jane Alam M, Afzal SM, Ahmad M. A Proton‐Transfer Complex Containing 5‐Hydroxy‐isophthalic Acid with 3,3′‐(Piperazine‐1,4‐diylbis (methylene)) Dibenzonitrile: Structural Topology, Hirshfeld Analysis, NLO, and DFT Studies. ChemistrySelect 2021. [DOI: 10.1002/slct.202101640] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mohd Muslim
- Department of Applied Chemistry Faculty of Engineering and Technology ZHCET Aligarh Muslim University Aligarh U.P-202002 India
| | - Saima Kamaal
- Department of Applied Chemistry Faculty of Engineering and Technology ZHCET Aligarh Muslim University Aligarh U.P-202002 India
| | - Mohd Mehkoom
- Department of Physics, Faculty of Science Aligarh Muslim University Aligarh U.P-202002 India
| | - Mohammad Jane Alam
- Department of Physics, Faculty of Science Aligarh Muslim University Aligarh U.P-202002 India
| | - S. M. Afzal
- Department of Physics, Faculty of Science Aligarh Muslim University Aligarh U.P-202002 India
| | - Musheer Ahmad
- Department of Applied Chemistry Faculty of Engineering and Technology ZHCET Aligarh Muslim University Aligarh U.P-202002 India
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Charge-transfer (CT) dynamics of triamterene with 2,3-dichloro-5,6-dicyano-p-benzoquinone acceptor: A n → π* model CT complex generated by liquid- and solid-state reactions. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116119] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Adam AMA, Altalhi TA, Saad HA, Alsuhaibani AM, Refat MS, Hegab MS. Correlations between spectroscopic data for charge-transfer complexes of two artificial sweeteners, aspartame and neotame, generated with several π-acceptors. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115904] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Al-Humaidi JY, El-Sayed MY, Refat MS, Altalhi TA, Eldaroti HH. Spectrophotometric studies on the charge transfer interactions between thiazolidine as a donor and three π-acceptors: p-Chloranil (CHL), DDQ and TCNQ. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115928] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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21
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Exploring the charge-transfer chemistry of fluorine-containing pyrazolin-5-ones: The complexation of 1-methyl-3-trifluoromethyl-2-pyrazoline-5-one with five π-acceptors. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115814] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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22
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Al-Humaidi JY, Refat MS. Solution, and solid investigations on the charge–transfer complexation between seproxetine as a selective serotonin reuptake inhibitor drug with six kinds of π–electron acceptors. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Adam AMA, Saad HA, Alsuhaibani AM, Refat MS, Hegab MS. Charge-transfer chemistry of azithromycin, the antibiotic used worldwide to treat the coronavirus disease (COVID-19). Part III: A green protocol for facile synthesis of complexes with TCNQ, DDQ, and TFQ acceptors. J Mol Liq 2021; 335:116250. [PMID: 33903781 PMCID: PMC8061087 DOI: 10.1016/j.molliq.2021.116250] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/14/2021] [Accepted: 02/22/2021] [Indexed: 12/15/2022]
Abstract
Investigating the chemical properties of molecules used to combat the COVID-19 pandemic is of vital and pressing importance. In continuation of works aimed to explore the charge-transfer chemistry of azithromycin, the antibiotic used worldwide to treat COVID-19, the disease resulting from infection with the novel SARS-CoV-2 virus, in this work, a highly efficient, simple, clean, and eco-friendly protocol was used for the facile synthesis of charge-transfer complexes (CTCs) containing azithromycin and three π-acceptors: 7,7,8,8-tetracyanoquinodimethane (TCNQ), 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ), and tetrafluoro-1,4-benzoquinone (TFQ). This protocol involves grinding bulk azithromycin as the donor (D) with the investigated acceptors at a 1:1 M ratio at room temperature without any solvent. We found that this protocol is environmentally benign, avoids hazardous organic solvents, and generates the desired CTCs with excellent yield (92–95%) in a straightforward means.
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Affiliation(s)
- Abdel Majid A Adam
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hosam A Saad
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Amnah M Alsuhaibani
- Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Moamen S Refat
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Mohamed S Hegab
- Deanship of Supportive Studies (D.S.S.), Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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