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Kiruthika M, Raveena R, Yogeswaran R, Elangovan N, Arumugam N, Padmanaban R, Djearamane S, Wong LS, Kayarohanam S. Spectroscopic characterization, DFT, antimicrobial activity and molecular docking studies on 4,5-bis[(E)-2-phenylethenyl]-1H,1'H-2,2'-biimidazole. Heliyon 2024; 10:e29566. [PMID: 38707390 PMCID: PMC11066587 DOI: 10.1016/j.heliyon.2024.e29566] [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: 02/17/2024] [Revised: 04/10/2024] [Accepted: 04/10/2024] [Indexed: 05/07/2024] Open
Abstract
The newly synthesized imidazole derivative namely, 4,5-bis[(E)-2-phenylethenyl]-1H,1'H-2,2'-biimidazole (KA1), was studied for its molecular geometry, docking studies, spectral analysis and density functional theory (DFT) studies. Experimental vibrational frequencies were compared with scaled ones. The reactivity sites were determined using average localized ionization analysis (ALIE), electron localized function (ELF), localized orbital locator (LOL), reduced density gradient (RDG), Fukui functions and frontier molecular orbital (FMO). Due to the solvent effect, a lower gas phase energy gap was observed. Through utilization of the noncovalent interaction (NCI) method, the hydrogen bond interaction, steric effect and Vander Walls interaction were investigated. Molecular docking simulations were employed to determine the specific atom inside the molecules that exhibits a preference for binding with protein. The parameters for the molecular electrostatic potential (MESP) and global reactivity descriptors were also determined. The thermodynamic characteristics were determined through calculations employing the B3LYP/cc-pVDZ basis set. Antimicrobial activity was carried out using the five different microorganisms like Escherichia coli, Streptococcus pneumoniae, Staphylococcus aureus, Klebsiella pneumoniae and Candida albicans.
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Affiliation(s)
- M. Kiruthika
- Department of Chemistry, Arignar Anna Government Arts College, Affiliated to Bharathidasan University, Musiri, 621211, Tiruchirappalli, Tamilnadu, India
| | - R. Raveena
- Department of Chemistry, Arignar Anna Government Arts College, Affiliated to Bharathidasan University, Musiri, 621211, Tiruchirappalli, Tamilnadu, India
| | - R. Yogeswaran
- Department of Chemistry, Arignar Anna Government Arts College, Affiliated to Bharathidasan University, Musiri, 621211, Tiruchirappalli, Tamilnadu, India
| | - N. Elangovan
- Research Centre for Computational and Theoretical Chemistry, Musiri, Anjalam, 621208, Tiruchirappalli, Tamilnadu, India
| | - Natarajan Arumugam
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - R. Padmanaban
- Department of Chemistry, School of Physical, Chemical & Applied Sciences, Pondicherry University, R.V. Nagar, Kalapet, Puducherry, 605 014, India
| | - Sinouvassane Djearamane
- Department of Allied Health Sciences, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan universiti, Bandar Barat, Kampar, 31900, Malaysia
- Biomedical Research Unit and Lab Animal Research Centre, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 602105, India
| | - Ling Shing Wong
- Faculty of Health and Life Sciences, INTI International University, Nilai, 71800, Malaysia
| | - Saminathan Kayarohanam
- Faculty of Bioeconomics and Health Sciences, University Geomatika Malaysia, Kuala Lumpur, 54200, Malaysia
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Nayak M, Patel CB, Mishra A, Singh R, Singh RK. Unveiling the Influence of Glutathione in Suppressing the Conversion of Aspirin to Salicylic Acid: A Fluorescence and DFT Study. J Fluoresc 2024; 34:1441-1451. [PMID: 38530561 DOI: 10.1007/s10895-024-03665-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/11/2024] [Indexed: 03/28/2024]
Abstract
Aspirin is a commonly used nonsteroidal anti-inflammatory drug, associated with many adverse effects. The adverse effects of aspirin such as tinnitus, Reye's syndrome and gastrointestinal bleeding are caused due to conversion of aspirin into its active metabolite salicylic acid after oral intake. Glutathione is a naturally occurring antioxidant produced by the liver and nerve cells in the central nervous system. It helps to metabolize toxins, break down free radicles, and support immune function. This study aims to investigate and explore the possibility of inhibiting aspirin to salicylic acid conversion in presence of glutathione at a molecular level using spectroscopic techniques such as UV-Visible absorption, time-Resolved and time-dependent fluorescence and theoretical DFT/ TD-DFT calculations. The results of steady state fluorescence spectroscopy and time-dependent fluorescence indicated that the aspirin to salicylic acid conversion is considerably inhibited in presence of glutathione. Further, the results presented here might have significant clinical implications for individuals with variations in glutathione level.
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Affiliation(s)
- Monalisha Nayak
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Chandan Bhai Patel
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Anurag Mishra
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Ranjana Singh
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
- Government Polytecnic Rajgrah, Mirzapur, Bathua, 231001, India.
| | - Ranjan K Singh
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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Elangovan N, Arumugam N, Almansour AI, Mathew S, Djearamane S, Wong LS, Kayarohanam S. Synthesis, solvent role, absorption and emission studies of cytosine derivative. Heliyon 2024; 10:e28623. [PMID: 38590870 PMCID: PMC11000011 DOI: 10.1016/j.heliyon.2024.e28623] [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: 02/18/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 04/10/2024] Open
Abstract
The (E)-4-((4-hydroxy-3-methoxy-5-nitrobenzylidene) amino) pyrimidin-2(1H)-one (C5NV) was synthesized from cytosine and 5-nitrovanilline by simple straightforward condensation reaction. The structural characteristics of the compound was determined and optimized by WB97XD/cc-pVDZ basis set. The vibrational frequencies were computed and subsequently compared to the experimental frequencies. We investiated the electronic properties of the synthesized compound in gas and solvent phases using the time-dependent density functional theory (TD-DFT) approach, and compared them to experimental values. The fluorescence study showed three different wavelengths indicating the nature of the optical material properties. Frontier molecular orbital (FMO) and molecular electrostatic potential (MEP) analyses were conducted for the title compound, and electron localized functions (ELF) and localized orbital locators (LOL) were used to identify the orbital positions of localized and delocalized atoms. Non-covalent interactions (H-bond interactions) were investigated using reduced density gradients (RDGs). The objective of the study was to determine the physical, chemical, and biological properties of the C5NV. The molecular docking study was conducted between C5NV and 2XNF protein, its lowest binding energy score is -7.92 kcal/mol.
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Affiliation(s)
- N. Elangovan
- Research Centre for Computational and Theoretical Chemistry, Anjalam, 621208, Musiri, Tiruchirappalli, Tamilnadu, India
| | - Natarajan Arumugam
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Abdulrahman I. Almansour
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Shanty Mathew
- Department of Chemistry, St. Joseph's College Research Center, Shanthinagar, 560027, Bangalore, India
| | - Sinouvassane Djearamane
- Department of Allied Health Sciences, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar, 31900, Malaysia
- Biomedical Research Unit and Lab Animal Research Centre, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 602 105, India
| | - Ling Shing Wong
- Faculty of Health and Life Sciences, INTI International University, Nilai, 71800, Malaysia
| | - Saminathan Kayarohanam
- Faculty of Bioeconomics and Health Sciences, University Geomatika Malaysia, Kuala Lumpur, 54200, Malaysia
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4
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Miranda TG, Ciribelli NN, Bihain MFR, Santos Pereira AKD, Cavallini GS, Pereira DH. Interactions between DNA and the acridine intercalator: A computational study. Comput Biol Chem 2024; 109:108029. [PMID: 38387123 DOI: 10.1016/j.compbiolchem.2024.108029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/08/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024]
Abstract
Cancer is a global public health problem characterized by deviations in the mechanisms that control cell proliferation, resulting in mutations and variations in the structure of DNA. The mechanisms of action of chemotherapeutic drugs are related to their interactions and binding with DNA; consequently, the development of antineoplastic agents that target DNA has extensively focused on use of acridine, a heterocyclic molecule that binds to deoxyribonucleic acid via intercalation, a process that modifies DNA and makes replication impossible. In this context, this study aimed to computationally investigate how acridine intercalators interact with DNA by evaluating the mechanism of interactions, binding, and interaction energies using quantum mechanics calculations. Molecular electrostatic potential (MEP) analysis revealed that acridine has well- distributed negative charges in the center of the molecule, indicative of a dominant electron-rich region. Acridine exhibits well-defined π orbitals (HOMO and LUMO) on the aromatic rings, suggesting that charge transfer occurs within the molecule and may be responsible for the pharmacological activity of the compound. Structural analysis revealed that acridine interacts with DNA mainly through hydrogen bonds between HAcridine… ODNA with bond lengths ranging from 2.370 Å to 3.472 Å. The Binding energy (ΔEBind) showed that acridine interacts with DNA effectively for all complexes and the electronic energy results (E+ZPE) for complexes revealed that the complexes are more stable when the DNA-centered acridine molecule. The Laplacian-analysis topological QTAIM parameter (∇2ρ(r)) and total energy (H(r)) categorized the interactions as being non-covalent in nature. The RGD peak distribution in the NCI analysis reveals the presence of van der Waals interactions, predominantly between the intercalator and DNA. Accordingly, we confirm that acridine/DNA interactions are relevant for understanding how the intercalator acts within nucleic acids.
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Affiliation(s)
- Thaynara Guimarães Miranda
- Programa de Pós Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | - Nicolas Nascimento Ciribelli
- Programa de Pós Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | | | - Anna Karla Dos Santos Pereira
- Programa de Pós Graduação em Química, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | - Grasiele Soares Cavallini
- Programa de Pós Graduação em Química, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | - Douglas Henrique Pereira
- Programa de Pós Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil; Departamento de Química, Instituto Tecnológico de Aeronáutica (ITA), Praça Marechal Eduardo Gomes, 50, Vila das Acácias, São José dos Campos SP CEP 12228-900, Brazil.
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5
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Wang L, Guo R, Liang X, Ji Y, Zhang J, Gai G, Guo Z. Preparation and Antioxidant Activity of New Carboxymethyl Chitosan Derivatives Bearing Quinoline Groups. Mar Drugs 2023; 21:606. [PMID: 38132927 PMCID: PMC10745101 DOI: 10.3390/md21120606] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023] Open
Abstract
A total of 16 novel carboxymethyl chitosan derivatives bearing quinoline groups in four classes were prepared by different synthetic methods. Their chemical structures were confirmed by Fourier-transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR), and elemental analysis. The antioxidant experiment results in vitro (including DPPH radical scavenging ability, superoxide anion radical scavenging ability, hydroxyl radical scavenging ability, and ferric reducing antioxidant power) demonstrated that adding quinoline groups to chitosan (CS) and carboxymethyl chitosan (CMCS) enhanced the radical scavenging ability of CS and CMCS. Among them, both N, O-CMCS derivatives and N-TM-O-CMCS derivatives showed DPPH radical scavenging over 70%. In addition, their scavenging of superoxide anion radicals reached more than 90% at the maximum tested concentration of 1.6 mg/mL. Moreover, the cytotoxicity assay was carried out on L929 cells by the MTT method, and the results indicated that all derivatives showed no cytotoxicity (cell viability > 75%) except O-CMCS derivative 1a, which showed low cytotoxicity at 1000 μg/mL (cell viability 50.77 ± 4.67%). In conclusion, the carboxymethyl chitosan derivatives bearing quinoline groups showed remarkable antioxidant ability and weak cytotoxicity, highlighting their potential use in food and medical applications.
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Affiliation(s)
- Linqing Wang
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; (L.W.); (R.G.); (Y.J.)
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Rui Guo
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; (L.W.); (R.G.); (Y.J.)
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaorui Liang
- School of Basic Sciences for Aviation Naval Aviation University, Yantai 264001, China;
| | - Yuting Ji
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; (L.W.); (R.G.); (Y.J.)
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingjing Zhang
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; (L.W.); (R.G.); (Y.J.)
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
| | - Guowei Gai
- Shandong Saline-Alkali Land Modern Agriculture Company, Dongying 257300, China;
| | - Zhanyong Guo
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; (L.W.); (R.G.); (Y.J.)
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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6
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Cui Y, Sun Y, Yu H, Guo Y, Yao W, Xie Y, Yang F. Exploring the binding mechanism and adverse toxic effects of degradation metabolites of pyrethroid insecticides to human serum albumin: Multi-spectroscopy, calorimetric and molecular docking approaches. Food Chem Toxicol 2023; 179:113951. [PMID: 37479174 DOI: 10.1016/j.fct.2023.113951] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 06/12/2023] [Accepted: 07/17/2023] [Indexed: 07/23/2023]
Abstract
Pyrethroid insecticides (PIs), a class of structurally similar non-persistent organic pollutants, can be degraded and metabolized to more toxic, and longer half-life products. In this study, the binding interaction mechanisms between human serum albumin (HSA) and the main degradation metabolites of PIs, 3-phenoxybenzoic acid (3-PBA) and 4-fluoro-3-phenoxybenzoic acid (4-F-3-PBA), were studied by theoretical simulation and experimental verification. Steady state fluorescence spectra showed that the fluorescence quenching mechanism was static. According to the binding constant, 4-F-3-PBA (1.53 × 105 L mol-1) was bound more strongly to HSA than 3-PBA (1.42 × 105 L mol-1) in subdomain ⅡA (site I). It was found by isothermal titration calorimetry that the metabolites and HSA spontaneously combined mainly through hydrogen bond and van der Waals interaction. Ultraviolet absorption spectra and circular dichroism spectra showed that the metabolites caused slight changes in the microenvironment and conformation of HSA. The above results were proved by molecular docking. The toxicity properties of the metabolites were further analyzed by software, and 4-F-3-PBA was found to be more toxic than 3-PBA. Considering the high exposure level of these metabolites in food, the environment and human body, it is necessary to further explore the toxicity of PIs metabolites.
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Affiliation(s)
- Yiwen Cui
- State Key Laboratory of Food Science and Resources, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China
| | - Yingying Sun
- Research Institute, Centre Testing International Group Co., Ltd., Shenzhen, 518000, China
| | - Hang Yu
- State Key Laboratory of Food Science and Resources, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China
| | - Yahui Guo
- State Key Laboratory of Food Science and Resources, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China
| | - Weirong Yao
- State Key Laboratory of Food Science and Resources, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Resources, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China.
| | - Fangwei Yang
- State Key Laboratory of Food Science and Resources, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China; School of Food Science and Technology, Jiangnan University, No.1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, China; School of Food and Health, Beijing Technology & Business University (BTBU), 33 Fucheng Road, Haidian District, Beijing, 100048, China.
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7
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M JP, Dhas DA, Joe IH, Balachandran S. Structural, Spectroscopic, Quantum Chemical, RDG, AIM, ELF, Fukui, O–H…N Hydrogen Bonding and NLO Activity of 2-Hydroxy-2-Phenyl Acetophenone Oxime: Experimental and Theoretical Approach. Polycycl Aromat Compd 2023. [DOI: 10.1080/10406638.2022.2164016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jini Pramila M
- Department of Physics, Manonmanium Sundaranar University, Abishekapatti, India
- Department of Physics and Research Centre, Nesamony Memorial Christian College, Marthandam, India
| | - D. Arul Dhas
- Department of Physics and Research Centre, Nesamony Memorial Christian College, Marthandam, India
| | - I. Hubert Joe
- Department of Physics, Centre for Molecular and Biophysics Research, Mar Ivanios College, Thiruvananthapuram, India
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8
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Kadela-Tomanek M, Jastrzębska M, Chrobak E, Bębenek E. Lipophilicity and ADMET Analysis of Quinoline-1,4-quinone Hybrids. Pharmaceutics 2022; 15:pharmaceutics15010034. [PMID: 36678664 PMCID: PMC9867208 DOI: 10.3390/pharmaceutics15010034] [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: 11/15/2022] [Revised: 12/14/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022] Open
Abstract
Lipophilicity is one of the basic properties of a potential drug determining its solubility in non-polar solvents and, consequently, its ability to passively penetrate the cell membrane, as well as the occurrence of various pharmacokinetic processes, including adsorption, distribution, metabolism, excretion, and toxicity (ADMET). Heterocyclic compounds containing a nitrogen atom play a significant role in the search for new drugs. In this study, lipophilicity as well as other physicochemical, pharmacokinetic and toxicity properties affecting the bioavailability of the quinolone-1,4-quinone hybrids are presented. Lipophilicity was determined experimentally as well as theoretically using various computer programs. The tested compounds showed low values of experimental lipophilicity and its relationship with the type of 1,4-quinone moiety. Introduction of the nitrogen atom reduced the lipophilicity depending on the position at the 5,8-quinolinedione moiety. The bioavailability of the tested compounds was determined in silico using the ADMET parameters. The obtained parameters showed that most of the hybrids can be used orally and do not exhibit neurotoxic effects. Similarity analysis was used to examine the relationship between the ADMET parameters and experimental lipophilicity. The ability of hybrids to interact with biological targets was characterized by global reactivity descriptors. The molecular docking study showed that the hybrids can inhibit the BCL-2 protein.
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Affiliation(s)
- Monika Kadela-Tomanek
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland
- Correspondence: ; Tel.: +48-32-3641666
| | - Maria Jastrzębska
- Silesian Center for Education and Interdisciplinary Research, Institute of Physics, University of Silesia, 75 Pułku Piechoty 1a, 41-500 Chorzów, Poland
| | - Elwira Chrobak
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland
| | - Ewa Bębenek
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 4 Jagiellońska Str., 41-200 Sosnowiec, Poland
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Deng Q, Jiang L, Yu Y, Yang Y. Theoretical exploration of the mechanism of α-pinene hydrogenation. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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10
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Femi-Frederic N, Arul-Dhas D, Hubert-Joe I, Gunasekaran B, Sindhusha S, Vinitha G. Synthesis, structure, spectroscopic, topological analysis of novel intermolecular N-H…N and N-H…O hydrogen bonded NLO active melaminium cyanoacetate single crystal: Experimental and Theoretical approach. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Wang L, Liu X, Tan W, Li Q, Guo Z, Zhang J. Preparation and antioxidant activity of novel chitosan oligosaccharide quinolinyl urea derivatives. Carbohydr Res 2022; 521:108678. [PMID: 36116378 DOI: 10.1016/j.carres.2022.108678] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/24/2022] [Accepted: 09/08/2022] [Indexed: 12/31/2022]
Abstract
In the present study, four new chitosan oligosaccharide derivatives bearing quinolinyl urea groups were synthesized by reaction between 2-methoxyformylated chitosan oligosaccharide and aminoquinoline. The chitosan oligosaccharide derivatives were characterized by Fourier Transform Infrared (FTIR) and 1H Nuclear Magnetic Resonance (1H NMR) spectroscopy. The obtained results confirmed that chitosan oligosaccharide quinolinyl urea derivatives were successfully synthesized. Meanwhile, the antioxidant activities of different chitosan oligosaccharide derivatives were examined in vitro. Experimentally, it was demonstrated that chitosan oligosaccharide quinolinyl urea derivatives had superior antioxidant activity compared with chitosan oligosaccharide and the antioxidant effects were concentration-dependent. Especially, when the concentration was 1.6 mg/mL, their superoxide anion radical scavenging rates could reach to 72.35 ± 0.49%, 100.00 ± 0.21%, 84.63 ± 0.49%, and 87.22 ± 0.32%, respectively. And the hydroxyl radical scavenging rates could reach to 100.00 ± 0.82%, 98.49 ± 4.08%, 100.00 ± 5.76%, and 92.07 ± 5.10%. In addition, the cytotoxic activity of the prepared chitosan derivatives against L929 cells was determined by CCK-8 assay. The cell survival rates were all higher than 90%, which intuitively indicated that the samples had almost no cytotoxicity. The findings indicated that the enhanced antioxidant property and biocompatibility of these chitosan oligosaccharide quinolinyl urea derivatives could enlarge the scope of the application of chitosan oligosaccharide, particularly as an antioxidant in food packaging, biomedical, pharmaceutical, cosmetics industries and other fields.
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Affiliation(s)
- Linqing Wang
- School of Chemical and Materials Science, Ludong University, Yantai, 264025, China
| | - Xiguang Liu
- School of Chemical and Materials Science, Ludong University, Yantai, 264025, China.
| | - Wenqiang Tan
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Qing Li
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Zhanyong Guo
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jingjing Zhang
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China.
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12
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How formaldehyde affects the thermo-oxidative and photo-oxidative mechanism of polypropylene: A DFT/TD-DFT study. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.110131] [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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13
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Steffy AD, Arul Dhas D, Hubert Joe I. Nonlinear optical activity of piperazine-1,4-diium bis(sulfanilate) compound. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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14
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Priya M, Zochedh A, Arumugam K, Sultan AB. Quantum Chemical Investigation, Drug-Likeness and Molecular Docking Studies on Galangin as Alpha-Synuclein Regulator for the Treatment of Parkinson’s Disease. CHEMISTRY AFRICA 2022. [DOI: 10.1007/s42250-022-00508-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Rajesh R, Muthu S, Sheela N. Investigations of 6-Fluoro-4-Oxo-3,4-Dihydro-2H-Chromene-2-Carboxylic Acid by Quantum Computational, Spectroscopic, TD-DFT with Various Solvents and Molecular Docking Studies. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2124284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- R. Rajesh
- Department of Physics, Vel Tech High Tech Dr. Rangarajan Dr. Sakunthala Engineering College (Autonomous), Chennai, India
| | - S. Muthu
- Department of Physics, Arignar Anna Govt. Arts College, Cheyyar, India
| | - N.R. Sheela
- Department of Applied Physics, Sri Venkateswara College of Engineering (Autonomous), Chennai, India
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Zazouli S, Chigr M, Atmani H, Jouaiti A. Synthesis, spectroscopic characterization of new series of alizarin derivatives and their anti-microbial activities: DFT and molecular docking approach. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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