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Bensalah D, Mansour L, Sauthier M, Gurbuz N, Özdemir I, Beji L, Gatri R, Hamdi N. Plausible PEPPSI catalysts for direct C-H functionalization of five-membered heterocyclic bioactive motifs: synthesis, spectral, X-ray crystallographic characterizations and catalytic activity. RSC Adv 2023; 13:31386-31410. [PMID: 37941793 PMCID: PMC10628855 DOI: 10.1039/d3ra06334h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 10/08/2023] [Indexed: 11/10/2023] Open
Abstract
In this study, a series of benzimidazolium salts were synthesized as asymmetric N-heterocyclic carbene (NHC) precursors. Nine novel palladium complexes with the general formula [PdX2(NHC)(pyridine)] were synthesized using benzimidazolium salts in the PEPPSI (Pyridine Enhanced Precatalyst Preparation, Stabilization and Initiation) theme. All synthesized Pd(ii) complexes are stable. The synthesized compounds were thoroughly characterized by respective spectroscopic techniques, such as 1HNMR, 13C NMR, FTIR spectroscopy, X-ray crystallography and elemental analysis. The geometric structure of the palladium N-heterocyclic carbene has been optimized in the framework of density functional theory (DFT) using the B3LYP-D3 dispersion functional with LANL2DZ as a basis set. The on/off mechanism of pyridine assisted Pd-NHC complexes made them the best C-H functionalized catalysts for regioselective C-5 arylated products. Five membered heterocyclic compounds such as 2-acetyl furan, furfuryl acetate 2-acetylthiophene and N-methylpyrrole-2-carboxaldehyde were treated with numerous aryl bromides and arylchlorides under optimal catalytic reaction conditions. Interestingly, all the prepared catalysts possessed essential structural features that facilitated the formation of desired coupling products in quantitative yield with excellent selectivity. The arylation reaction of bromoacetophenone was highly catalytically active with only 1 mol% catalyst loading at 150 °C for 2 hours. To check the efficiency of the synthesized complexes, three different five member heterocyclic substrates (2-acetylfuran, 2-acetylthiophen, 2-propylthaizole) were tested with a number of aryl bromides bearing both electron-donating and electron-withdrawing groups on para position. The data in Tables 2-4. Indicated that electron-donating groups on the para position of aryl halide decreased the catalytic conversion while electron-withdrawing groups increased the catalytic conversion this was due to the high nucleophilicity of the electron-donating substituents.
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Affiliation(s)
- Donia Bensalah
- Research Laboratory of Environmental Sciences and Technologies (LR16ES09), Higher Institute of Environmental Sciences and Technology, University of Carthage Hammam-Lif Tunisia +96 6556394839
| | - Lamjed Mansour
- Zoology Department, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Mathieu Sauthier
- Ecole Nationale Superieure de Chimie de Lille, Unité de Catalyse et Chimie du Solide, UMR CNRS 8181, USTL BP 90108, Villeneuve d'Ascq 59652 France
| | - Nevin Gurbuz
- Department of Chemistry, Faculty of Science and Art, İnönü University Malatya 44280 Turkey
- İnönü University, Catalysis Research and Application Center Malatya 44280 Turkey
| | - Ismail Özdemir
- Department of Chemistry, Faculty of Science and Art, İnönü University Malatya 44280 Turkey
- İnönü University, Catalysis Research and Application Center Malatya 44280 Turkey
| | - Lotfi Beji
- Department of Physics, College of Sciences and Arts at Arras, Qassim University Saudi Arabia
| | - Rafik Gatri
- Laboratoire de Synthèse Organique Sélective et Hétérocyclique Évaluation Biologique LR17ES01 Faculté des Sciences de Tunis Campus Universitaire, Université de Tunis El Manar 1092 Tunis Tunisia
| | - Naceur Hamdi
- Research Laboratory of Environmental Sciences and Technologies (LR16ES09), Higher Institute of Environmental Sciences and Technology, University of Carthage Hammam-Lif Tunisia +96 6556394839
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2
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Eslami Moghadam M, Rezaeisadat M, Mansouri-Torshizi H, Hosseinzadeh S, Daneshyar H. New anticancer potential Pt complex with tertamyl dithiocarbamate ligand: Synthesis, DNA targeting behavior, molecular dynamic, and biological activity. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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3
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Bissani Gasparin C, Pilger DA. 8‐Hydroxyquinoline, Derivatives and Metal‐Complexes: A Review of Antileukemia Activities. ChemistrySelect 2023. [DOI: 10.1002/slct.202204219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Affiliation(s)
- Carolina Bissani Gasparin
- Laboratório de Análises Bioquímicas e Citológicas (LABC) Departamento de Análises Faculdade de Farmácia Universidade Federal do Rio Grande do Sul (UFRGS) Av. Ipiranga 2752, Bairro Santana CEP 90610–000 Porto Alegre RS Brazil
| | - Diogo André Pilger
- Laboratório de Análises Bioquímicas e Citológicas (LABC) Departamento de Análises Faculdade de Farmácia Universidade Federal do Rio Grande do Sul (UFRGS) Av. Ipiranga 2752, Bairro Santana CEP 90610–000 Porto Alegre RS Brazil
- Postgraduate Program in Pharmaceutical Sciences Universidade Federal do Rio Grande do Sul (UFRGS) Av. Ipiranga 2752, Bairro Santana CEP 90610–000 Porto Alegre RS Brazil
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Hosseini-Hashemi Z, Eslami Moghadam M, Mirzaei M, Notash B. Biological Activity of Two Anticancer Pt Complexes with a Cyclohexylglycine Ligand against a Colon Cancer Cell Line: Theoretical and Experimental Study. ACS OMEGA 2022; 7:39794-39811. [PMID: 36385884 PMCID: PMC9648137 DOI: 10.1021/acsomega.2c03776] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/26/2022] [Indexed: 05/30/2023]
Abstract
Because of their extraordinary ability to disrupt the natural structure of nucleic acids, metal complexes could be used in cancer therapy. In this study, cyclohexylglycine (HL) as a ligand and two new Pt complexes, [Pt(NH3)2(L)]NO3 (1) and [Pt(bipy)(L)]NO3 (2), were synthesized and characterized by elemental analysis, LC-MS, UV-vis spectrometry, FT-IR, 1H NMR spectroscopy, 13C NMR spectroscopy, 195Pt NMR spectroscopy, HPLC analysis, and single-crystal X-ray diffraction. Complex 2 crystallized in the orthorhombic Pbca space group, and density functional theory (DFT) was used to describe its structural parameters were described in detail. These complexes can be classified as oral medications and drug-like molecules based on a comparison of their absorption, distribution, metabolism, and excretion assessment. Quantum chemical descriptors (QCDs) were determined using DFT calculations to predict the tendency of DNA to approach these complexes. During the determination of the function of the metallodrug in DNA binding, the fluorescence data indicated that static quenching took place for all ligands and complexes with higher DNA binding affinity. CD and isothermal absorption studies indicate the presence of electrostatic and groove binding for the amine derivative and that DNA binds with the bipy moiety via groove binding. Furthermore, the interaction modes were determined using molecular docking to investigate the binding of these compounds with the target DNA molecule. According to docking investigations, binding energies of -5.7, -11.56, and -10.00 kcal/mol for HL and complexes 1 and 2, respectively, indicate partially electrostatic and groove binding. The anticancer activities of the Pt(II) complexes were tested against the HCT116 human colon cancer cell line, with IC50 values of 35.51 and 51.33 μM for 1 and 2, respectively, after 72 h. These values show that the inhibitory effect of complex 1 was better than those of 2 and carboplatin (IC50 = 51.94 μM).
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Affiliation(s)
- Zahra Hosseini-Hashemi
- Department
of Chemistry, Faculty of Science, Ferdowsi
University of Mashhad, Mashhad, Razavi Khorasan9177948974, Iran
| | | | - Masoud Mirzaei
- Department
of Chemistry, Faculty of Science, Ferdowsi
University of Mashhad, Mashhad, Razavi Khorasan9177948974, Iran
- Khorasan
Science and Technology Park (KSTP), 12th km of Mashhad-Quchan Road, Mashhad, Razavi Khorasan9185173911, Iran
| | - Behrouz Notash
- Department
of Inorganic Chemistry and Catalysis, Shahid
Beheshti University, Tehran, Tehran1983969411, Iran
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Novel 4-/5-bromo-8-hydroxyquinoline cyclometalated iridium(III) complexes as highly potent anticancer and bioimaging agents. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109609] [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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6
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Palladium(II) Complexes of Substituted Salicylaldehydes: Synthesis, Characterization and Investigation of Their Biological Profile. Pharmaceuticals (Basel) 2022; 15:ph15070886. [PMID: 35890184 PMCID: PMC9323974 DOI: 10.3390/ph15070886] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/06/2022] [Accepted: 07/14/2022] [Indexed: 02/04/2023] Open
Abstract
Five palladium(II) complexes of substituted salicylaldehydes (X-saloH, X = 4-Et2N (for 1), 3,5-diBr (for 2), 3,5-diCl (for 3), 5-F (for 4) or 4-OMe (for 5)) bearing the general formula [Pd(X-salo)2] were synthesized and structurally characterized. The crystal structure of complex [Pd(4-Et2N-salo)2] was determined by single-crystal X-ray crystallography. The complexes can scavenge 1,1-diphenyl-picrylhydrazyl and 2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) radicals and reduce H2O2. They are active against two Gram-positive (Staphylococcus aureus and Bacillus subtilis) and two Gram-negative (Escherichia coli and Xanthomonas campestris) bacterial strains. The complexes interact strongly with calf-thymus DNA via intercalation, as deduced by diverse techniques and via the determination of their binding constants. Complexes interact reversibly with bovine and human serum albumin. Complementary insights into their possible mechanisms of bioactivity at the molecular level were provided by molecular docking calculations, exploring in silico their ability to bind to calf-thymus DNA, Escherichia coli and Staphylococcus aureus DNA-gyrase, 5-lipoxygenase, and membrane transport lipid protein 5-lipoxygenase-activating protein, contributing to the understanding of the role complexes 1–5 can play both as antioxidant and antibacterial agents. Furthermore, in silico predictive tools have been employed to study the chemical reactivity, molecular properties and drug-likeness of the complexes, and also the drug-induced changes of gene expression profile (as protein- and mRNA-based prediction results), the sites of metabolism, the substrate/metabolite specificity, the cytotoxicity for cancer and non-cancer cell lines, the acute rat toxicity, the rodent organ-specific carcinogenicity, the anti-target interaction profiles, the environmental ecotoxicity, and finally the activity spectra profile of the compounds.
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Hosseini Hashemi Z, Mirzaei M, Eslami Moghadam M. Property evaluation of two anticancer candidate platinum complexes with N-isobutyl glycine ligand against human colon cancer. Biometals 2022; 35:987-1009. [PMID: 35829930 DOI: 10.1007/s10534-022-00418-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 06/27/2022] [Indexed: 12/24/2022]
Abstract
Small molecules have potential usage in cancer therapy due to their remarkable potency of disarranging the natural structure of nucleic acids. In this study, two complexes [Pt(NH3)2(IBgly)]NO3 (1) and [Pt(bipy)(IBgly)]NO3 (2) based on Pt(II), N-isobutylglycine (IBgly), 2,2'-bipyridine, and ammonia were prepared and characterized by spectroscopic methods. Pharmacokinetic ADME data, absorption, distribution, metabolism, excretion, and bioavailability radar showed two complexes can be introduced for Pt-based anti-cancer drugs. Mechanism of tumor inhibition and DNA interaction of these compounds was studied by UV-Vis, fluorescence, and CD spectroscopies. Also, thermodynamic parameters and the binding constants were calculated through absorption measurements. The fluorescence data showed that a static quenching mechanism occurred for both complexes with a binding constant and binding affinity towards DNA (Kb ≈ 3500 M-1 and kq ≈ 2.1 × 1011 M-1 s-1). The thermodynamic parameters indicated electrostatic approaching and groove binding were more feasible than intercalation mode between Pt(II) complexes and DNA. CD spectra indicated the increasing intensity of the positive band and the negative band decreasing. Density functional theory calculations confirmed the experimental data and determined the quantum chemical descriptors including total energy, hardness, chemical potential, electrophilicity, electronegativity, etc. According to this, the binding tendency of these compounds with DNA could be predicted. Further, molecular docking studies were also performed. Docking studies revealed that the desolvation, hydrogen, and electrostatic binding were effective for the interaction between complexes and DNA with binding energy (- 10.44 and - 9.57 kcal/mol) for complexes 1 and 2, respectively, which is mainly of partially electrostatic and groove binding type. The cytotoxic activity of Pt complexes was examined against human colon cancer cell line which indicated good activity with IC50 values of (41.66 and 47.30 μM) for both complexes after 72 h, respectively. Also, they demonstrated more inhibitory effects compared to carboplatin.
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Affiliation(s)
- Zahra Hosseini Hashemi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Masoud Mirzaei
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.
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Shahabadi N, Ghaffari L, Mardani Z, Shiri F. Experimental and Molecular Docking Studies on the Interaction of a Water-Soluble Pd(II) Complex Containing β-Amino Alcohol with Calf Thymus DNA. Biol Trace Elem Res 2022; 200:1988-2000. [PMID: 34218426 DOI: 10.1007/s12011-021-02803-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/18/2021] [Indexed: 02/03/2023]
Abstract
The interaction of water-soluble and fluorescent [Pd (HEAC) Cl2] complex, in which HEAC is 2-((2-((2-hydroxyethyl)amino)ethyl)amino) cyclohexanol, with calf thymus DNA (ct-DNA) has been studied. This study was performed using electronic absorption and fluorescence emission spectroscopies, cyclic voltammetry and circular dichroism analyses, dynamic viscosity measurements, and molecular docking theory. From hypochromic effect observed in ct-DNA absorption spectra, it was found that the Pd(II) complex could form a conjugate with ct-DNA strands through the groove binding mode. The Kb values obtained from fluorescence measurements clearly assert the Pd(II) complex affinity to ct-DNA. The fluorescence quenching of the DNA-Hoechst compound following the successive additions of the Pd(II) complex to the solution revealed that the Pd(II) complex is located in the ct-DNA grooves, and Hoechst molecules have been released into solution; moreover, the resulting measurements from relative viscosity authenticate the Pd(II) complex binding to the grooves. Negative quantities of thermodynamic parameters imply that the Pd(II) complex binds to ct-DNA mainly by the hydrogen bonds and van der Waals forces; also, the Gibbs-free energy changes show the exothermic and spontaneous formation of the Pd(II) complex-DNA system. The electrochemical behavior of the Pd(II) complex in the attendance of ct-DNA was investigated using the cyclic voltammetry method (CV). Several quasi-reversible redox waves were observed along with increasing the anodic/cathodic peak currents, as well as a shift in anodic/cathodic peak potentials. Circular dichroism (CD) observations suggested that the Pd(II)-DNA interaction could alter ct-DNA conformation. The results of molecular modeling confirmed that groove mechanism is followed by the Pd(II) complex to interact with ct-DNA.
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Affiliation(s)
- Nahid Shahabadi
- Department of Inorganic Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran.
- Center of Medical Biology Research (MBRC), Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Lida Ghaffari
- Department of Inorganic Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran
| | - Zahra Mardani
- Department of Inorganic Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran
| | - Farshad Shiri
- Department of Inorganic Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran
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A new palladium-based antiproliferative agent: synthesis, characterization, computational calculations, cytotoxicity, and DNA binding properties. Biometals 2021; 34:1173-1189. [PMID: 34363565 DOI: 10.1007/s10534-021-00335-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 07/29/2021] [Indexed: 10/20/2022]
Abstract
A new palladium(II) complex entitled [Pd(phendione)(8Q)]NO3, (PdPQ), where phendione is N,N-donor heterocyclic 1,10-phenanthroline-5,6-dion and 8Q is 8-hydroxyquinolinate, has been synthesized and then characterized by molar conductivity, CHN analysis and spectral data (UV-Vis, FT-IR, NMR). DFT/ TDDFT procedures were also performed to determine the electronic structure and the nature of the electronic transitions of PdPQ. Moreover, the affinity and binding properties of DNA to the desired complex have been studied in details using electronic absorption, fluorescence, circular dichroism spectroscopies, and viscosity measurement in combination with molecular docking technique. The obtained results exhibit relatively high DNA binding values with a static quenching mechanism, which suggest that an intercalative mode plays a peridominate role in interaction process concluded by experimental/theoretical measurements. As a result of drug exposure, in vitro cytotoxicity assay demonstrated the antiproliferative activity of the PdPQ against leukemia cancer cell line, K562.
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Zhang YW, Wang XL, Yang J, Wang X, Yuan XX, Lv XY. Crystal structure of catena-poly[(μ 2-methanolato-κ 2
O:O)-(μ 2-1-((2-methyl-1H-benzo[d]imidazol-1-yl)methyl)-1 H-benzo[d][1,2,3]triazole-κ 2N:N′)-(thiocyanato-κ 1
N)copper(II)] 0.25 hydrate, C 17H 16CuN 6OS ⋅ 0.5H 2O. Z KRIST-NEW CRYST ST 2021. [DOI: 10.1515/ncrs-2021-0051] [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
C17H16CuN6OS ⋅ 0.5H2O, monoclinic, P21/c (no. 14), a = 10.3523(4) Å, b = 18.2609(9) Å, c = 9.9688(4) Å, β = 103.918(4)°, Z = 4, V = 1829.21(13) Å3, R
gt
(F) = 0.0409, wR
ref
(F
2) = 0.1099, T = 291(2) K.
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Affiliation(s)
- Ya-Wen Zhang
- College of Pharmacy, Henan University of Chinese Medicine , Zhengzhou , 450046 , P. R. China
| | - Xin-Ling Wang
- College of Pharmacy, Henan University of Chinese Medicine , Zhengzhou , 450046 , P. R. China
| | - Jing Yang
- College of Pharmacy, Henan University of Chinese Medicine , Zhengzhou , 450046 , P. R. China
| | - Xia Wang
- College of Pharmacy, Henan University of Chinese Medicine , Zhengzhou , 450046 , P. R. China
| | - Xian-Xian Yuan
- College of Pharmacy, Henan University of Chinese Medicine , Zhengzhou , 450046 , P. R. China
| | - Xin-Ya Lv
- College of Pharmacy, Henan University of Chinese Medicine , Zhengzhou , 450046 , P. R. China
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Pereira CDS, Enes KB, de Almeida AM, de Mendonça CC, da Silva VL, Gallupo Diniz C, Couri MRC, Silva H. Syntheses and biological activity of platinum(II) and palladium(II) complexes with phenyl-oxadiazole-ethylenediamine ligands. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1871608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Karine Braga Enes
- Departamento de Química, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | | | | | - Vânia Lúcia da Silva
- Departamento de Parasitologia, Microbiologia e Imunologia, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Cláudio Gallupo Diniz
- Departamento de Parasitologia, Microbiologia e Imunologia, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Mara Rubia Costa Couri
- Departamento de Química, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Heveline Silva
- Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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Gupta R, Luxami V, Paul K. Insights of 8-hydroxyquinolines: A novel target in medicinal chemistry. Bioorg Chem 2021; 108:104633. [PMID: 33513476 DOI: 10.1016/j.bioorg.2021.104633] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 12/15/2020] [Accepted: 01/04/2021] [Indexed: 12/20/2022]
Abstract
8-Hydroxyquinoline (8-HQ) is a significant heterocyclic scaffold in organic and analytical chemistry because of the properties of chromophore and is used to detect various metal ions and anions. But from the last 2 decades, this moiety has been drawn great attention of medicinal chemists due to its significant biological activities. Synthetic modification of 8-hydroxyquinoline is under exploration on large scale to develop more potent target-based broad spectrum drug molecules for the treatment of several life-threatening diseases such as anti-cancer, HIV, neurodegenerative disorders, etc. Metal chelation properties of 8-hydroxyquinoline and its derivatives also make these potent drug candidates for the treatment of various diseases. This review comprises 8-hydroxyquinoline derivatives reported in the literature in last five years (2016-2020) and we anticipate that it will assist medicinal chemists in the synthesis of novel and pharmacologically potent agents for various therapeutic targets, mainly anti-proliferative, anti-microbial, anti-fungal and anti-viral as well as for the treatment of neurodegenerative disorders.
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Affiliation(s)
- Rohini Gupta
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147 004, India
| | - Vijay Luxami
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147 004, India
| | - Kamaldeep Paul
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147 004, India.
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Synthesis and structural characterization of a palladium complex as an anticancer agent, and a highly efficient and reusable catalyst for the Heck coupling reaction under ultrasound irradiation: A convenient sustainable green protocol. Polyhedron 2021. [DOI: 10.1016/j.poly.2020.114924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Tan CH, Sim DSY, Heng MP, Lim SH, Low YY, Kam TS, Sim KS. Evaluation of DNA Binding and Topoisomerase I Inhibitory Activities of 16’‐Decarbomethoxydihydrovoacamine from
Tabernaemontana corymbosa. ChemistrySelect 2020. [DOI: 10.1002/slct.202004153] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Chun Hoe Tan
- Institute of Biological Sciences Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia
| | - Dawn Su Yin Sim
- Department of Chemistry Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia
| | - Mok Piew Heng
- Institute of Biological Sciences Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia
| | - Siew Huah Lim
- Department of Chemistry Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia
| | - Yun Yee Low
- Department of Chemistry Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia
| | - Toh Seok Kam
- Department of Chemistry Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia
| | - Kae Shin Sim
- Institute of Biological Sciences Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia
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