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Ajormal F, Bikas R, Noshiranzadeh N, Emami M, Kozakiewicz-Piekarz A. Synthesis of chiral Cu(II) complexes from pro-chiral Schiff base ligand and investigation of their catalytic activity in the asymmetric synthesis of 1,2,3-triazoles. Sci Rep 2024; 14:10603. [PMID: 38719987 PMCID: PMC11079015 DOI: 10.1038/s41598-024-60930-w] [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: 10/26/2023] [Accepted: 04/29/2024] [Indexed: 05/12/2024] Open
Abstract
A pro-chiral Schiff base ligand (HL) was synthesized by the reaction of 2-amino-2-ethyl-1,3-propanediol and pyridine-2-carbaldehyde in methanol. The reaction of HL with CuCl2·2H2O and CuBr2 in methanol gave neutral mononuclear Cu(II) complexes with general formula of [Cu(HL)Cl2] (1) and [Cu(HL)Br2] (2), respectively. By slow evaporation of the methanolic solutions of 1 and 2, their enantiomers were isolated in crystalline format. The formation of pure chiral crystals in the racemic mixture was amply authenticated by single crystal X-ray analysis, which indicated that S-[Cu(HL)Cl2], R-[Cu(HL)Cl2], and S-[Cu(HL)Br2] are crystallized in chiral P212121 space group of orthorhombic system. Preferential crystallization was used to isolate the R and S enantiomers as single crystals and the isolated compounds were also studied by CD analysis. Structural studies indicated that the origin of the chirality in these compounds is related to the coordination mode of the employed pro-chiral ligand (HL) because one of its carbon atoms has been converted to a chiral center in the synthesized complexes. Subsequently, these complexes were used in click synthesis of a β-hydroxy-1,2,3-triazole and the results of catalytic studies indicated that 1 and 2 can act as enantioselective catalysts for the asymmetric synthesis of β-hydroxy-1,2,3-triazole product under mild condition. This study illustrates the significant capacity of the use of pro-chiral ligands in preparing chiral catalysts based on complexes which can also be considered as an effective approach to cheap chiral catalysts from achiral reagents.
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Affiliation(s)
- Fatemeh Ajormal
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, 45371-38791, Iran
| | - Rahman Bikas
- Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, 34148-96818, Iran.
| | - Nader Noshiranzadeh
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, 45371-38791, Iran.
| | - Marzieh Emami
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan, 45371-38791, Iran
| | - Anna Kozakiewicz-Piekarz
- Department of Biomedical and Polymer Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, 87-100, Torun, Poland
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Coandă M, Limban C, Nuță DC. Small Schiff Base Molecules-A Possible Strategy to Combat Biofilm-Related Infections. Antibiotics (Basel) 2024; 13:75. [PMID: 38247634 PMCID: PMC10812491 DOI: 10.3390/antibiotics13010075] [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: 12/13/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/23/2024] Open
Abstract
Microorganisms participating in the development of biofilms exhibit heightened resistance to antibiotic treatment, therefore infections involving biofilms have become a problem in recent years as they are more difficult to treat. Consequently, research efforts are directed towards identifying novel molecules that not only possess antimicrobial properties but also demonstrate efficacy against biofilms. While numerous investigations have focused on antimicrobial capabilities of Schiff bases, their potential as antibiofilm agents remains largely unexplored. Thus, the objective of this article is to present a comprehensive overview of the existing scientific literature pertaining to small molecules categorized as Schiff bases with antibiofilm properties. The survey involved querying four databases (Web of Science, ScienceDirect, Scopus and Reaxys). Relevant articles published in the last 10 years were selected and categorized based on the molecular structure into two groups: classical Schiff bases and oximes and hydrazones. Despite the majority of studies indicating a moderate antibiofilm potential of Schiff bases, certain compounds exhibited a noteworthy effect, underscoring the significance of considering this type of molecular modeling when seeking to develop new molecules with antibiofilm effects.
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Affiliation(s)
| | - Carmen Limban
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia Str., 020950 Bucharest, Romania; (M.C.); (D.C.N.)
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Gunavathi S, Venkateswaramoorthi R, Arulvani K, Bharanidharan S. Synthesis, Spectral Characterization, Density Functional Theory Investigation and Molecular Docking Studies of Formohydrazide‐Based Hydrazones as Potential Antimicrobial Agents. ChemistrySelect 2023. [DOI: 10.1002/slct.202204281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Affiliation(s)
- S. Gunavathi
- Department of Chemistry PGP College of Arts and Science Namakkal 637207 Tamil Nadu India
| | - R. Venkateswaramoorthi
- Department of Chemistry PGP College of Arts and Science Namakkal 637207 Tamil Nadu India
| | - K. Arulvani
- Department of Chemistry PGP College of Arts and Science Namakkal 637207 Tamil Nadu India
| | - S. Bharanidharan
- Department of Physics Panimalar Engineering College Chennai 600123 Tamil Nadu India
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Khaleghi M, Haghi F, Gholami M, Hourfar H, Shahi F, Mir Mousavi Zekoloujeh A, Aliakbari F, Ahmadi E, Morshedi D. A fabricated hydrogel of hyaluronic acid/curcumin shows super-activity to heal the bacterial infected wound. AMB Express 2023; 13:29. [PMID: 36897423 PMCID: PMC10006388 DOI: 10.1186/s13568-023-01533-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2023] [Indexed: 03/11/2023] Open
Abstract
High risk of acute morbidities and even mortality from expanding the antibiotics resistant infectious wounds force indefinite efforts for development of high performance wound-healing materials. Herein, we design a procedure to fabricate a hyaluronic acid (HA)-based hydrogel to conjugate curcumin (Gel-H.P.Cur). The highlight of this work is to provide a favorite condition for capturing curcumin while protecting its structure and intensifying its activities because of the synchronization with HA. Accordingly, HA as a major component of dermis with a critical role in establishing skin health, could fortify the wound healing property as well as antibacterial activity of the hydrogel. Gel-H.P.Cur showed antibacterial properties against Pseudomonas aeruginosa (P. aeruginosa), which were examined by bactericidal efficiency, disk diffusion, anti-biofilm, and pyocyanin production assays. The effects of Gel-H.P.Cur on the inhibition of quorum sensing (QS) regulatory genes that contribute to expanding bacteria in the injured place was also significant. In addition, Gel-H.P.Cur showed high potential to heal the cutaneous wounds on the mouse excisional wound model with repairing histopathological damages rapidly and without scar. Taken together, the results strongly support Gel-H.P.Cur as a multipotent biomaterial for medical applications regarding the treatment of chronic, infected, and dehiscent wounds.
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Affiliation(s)
- Maryam Khaleghi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Shahrak-E Pajoohesh, km 15 Tehran-Karaj Highway, 14965/161, Tehran, Iran
| | - Fakhri Haghi
- Department of Microbiology, School of Medicine, Zanjan University of Medical Sciences, 45139-56111, Zanjan, IR, Iran.
| | - Mina Gholami
- Department of Microbiology, School of Medicine, Zanjan University of Medical Sciences, 45139-56111, Zanjan, IR, Iran
| | - Hamdam Hourfar
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Shahrak-E Pajoohesh, km 15 Tehran-Karaj Highway, 14965/161, Tehran, Iran
| | - Farshad Shahi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Shahrak-E Pajoohesh, km 15 Tehran-Karaj Highway, 14965/161, Tehran, Iran
| | | | - Farhang Aliakbari
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Shahrak-E Pajoohesh, km 15 Tehran-Karaj Highway, 14965/161, Tehran, Iran.,Molecular Medicine Research Group, Robarts Research Institute, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada
| | - Ebrahim Ahmadi
- Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Dina Morshedi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology, Shahrak-E Pajoohesh, km 15 Tehran-Karaj Highway, 14965/161, Tehran, Iran.
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Interaction with bioligands and in vitro cytotoxicity of a new dinuclear dioxido vanadium(V) complex. J Inorg Biochem 2022; 237:111980. [PMID: 36109193 DOI: 10.1016/j.jinorgbio.2022.111980] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/16/2022] [Accepted: 08/24/2022] [Indexed: 01/18/2023]
Abstract
One centrosymmetric bis(μ-oxido)-bridged vanadium(V) dimer with molecular formula [(VVO2)2(pedf)2] (1) has been synthesized from the reaction of VOSO4·5H2O with a Schiff base ligand (abbreviated with pedf-) obtained from 2-acetylpyridine and 2-furoic hydrazide in methanol. Complex 1 was characterized by elemental analysis, UV-visible (UV-Vis), Fourier-transform infrared spectra (FT-IR), cyclic voltammetry (CV), electron paramagnetic resonance spectroscopy (EPR) and electrospray ionization-mass spectrometry (ESI-MS) techniques along with single crystal X-ray diffraction (SCXRD). The FT-IR spectral data of 1 indicated the involvement of oxygen and azomethine nitrogen in coordination to the central metal ion. The crystallographic studies revealed a dinuclear oxovanadium(V) complex with the Schiff base coordinated via the ONN donor set with formation of two five-membered chelate rings resulting in a distorted octahedral geometry. The interaction of 1 with calf thymus DNA (CT-DNA) was investigated by spectroscopic measurements and results suggested that the complex binds to CT-DNA via moderate intercalative mode with a binding constant (Kb) around 103 M-1. In addition, the in vitro protein binding behavior was studied by fluorescence spectrophotometric method using both bovine serum albumin (BSA) and human serum albumin (HSA) and a static quenching mechanism was observed for the interaction of the complex with both albumins that occurs with a Kb in the range (5-6) × 103 M-1. In vitro cytotoxicity of complex 1 on lung cancer cells (A549) and human skin carcinoma cell line (A431) demonstrated that the complex had a broad-spectrum of anti-proliferative activity with IC50 value of 64.2 μM and 56.2 μM.
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Zabihollahi Z, Bikas R, Hossaini-Sadr M, Kozakiewicz-Piekarz A, Soltani B. Tetranuclear Zn(II) complexes with ditopic picolinohydrazone ligands: Synthesis, crystal structure, spectroscopic studies, and Hirschfeld surface analysis. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Parvarinezhad S, Salehi M, Kubicki M, Eshaghi Malekshah R. Experimental and theoretical studies of new Co(III) complexes of hydrazide derivatives proposed as multi-target inhibitors of SARS-CoV-2. Appl Organomet Chem 2022; 36:e6836. [PMID: 35945928 PMCID: PMC9353290 DOI: 10.1002/aoc.6836] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/04/2022] [Accepted: 07/15/2022] [Indexed: 11/06/2022]
Abstract
Cobalt(III) complexes with Schiff base ligands derived from hydrazone, (HL 1 = (E)-N'-(3,5-dichloro-2-hydroxybenzylidene)-4-hydroxybenzohydrazide, HL 2 = (E)-N'-(3,5-dichloro-2-hydroxybenzylidene)-4-hydroxybenzohydrazide (3,5-dibromo-2-hydroxybenzylidene), and HL 3 = (E)-4-hydroxy-N'-(2-hydroxy-3-ethoxybenzylidene)benzohydrazide), were synthesized and characterized by elemental analysis, Fourier transform infrared (FT-IR) spectroscopy, UV-Vis spectroscopy, and cyclic voltammetry. X-ray diffraction was used to determine the single crystal structure of the complex (1). Co(III) was formed in a distorted, very regular octahedral coordination in this complex; three pyridine moieties complete this geometry. Schiff base complexes' redox behaviors are represented by irreversible (1), quasi-reversible (2), and quasi-reversible (3) voltammograms. A density functional theory (DFT)/B3LYP method was used to optimize cobalt complexes with a base set of 6-311G. Furthermore, fragments occupying the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) were investigated at the same theoretical level. Quantum theory of atoms in molecules (QTAIM) computations were also done to study the coordination bonds and non-covalent interactions in the investigated structures. Hirshfeld surface analysis was used to investigate the nature and types of intermolecular exchanges in the crystal structure of the complex (1). The capacity of cobalt complexes to bind to the major protease SARS-CoV-2 and the molecular targets of human angiotensin-converting enzyme-2 (ACE-2) was investigated using molecular docking. The molecular simulation methods used to assess the probable binding states of cobalt complexes revealed that all three complexes were stabilized in the active envelope of the enzyme by making distinct interactions with critical amino acid residues. Interestingly, compound (2) performed better with both molecular targets and the total energy of the system than the other complexes.
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Affiliation(s)
| | - Mehdi Salehi
- Department of Chemistry, Faculty of ScienceSemnan UniversitySemnanIran
| | - Maciej Kubicki
- Department of ChemistryAdam Mickiewicz UniversityPoznanPoland
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8
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Synthesis and characterization of 1-amidino-O-alkylureas metal complexes as α- glucosidase Inhibitors: Structure-activity relationship, molecular docking, and kinetic studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131726] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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9
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Raczuk E, Dmochowska B, Samaszko-Fiertek J, Madaj J. Different Schiff Bases-Structure, Importance and Classification. Molecules 2022; 27:787. [PMID: 35164049 PMCID: PMC8839460 DOI: 10.3390/molecules27030787] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/14/2022] [Accepted: 01/14/2022] [Indexed: 11/17/2022] Open
Abstract
Schiff bases are a vast group of compounds characterized by the presence of a double bond linking carbon and nitrogen atoms, the versatility of which is generated in the many ways to combine a variety of alkyl or aryl substituents. Compounds of this type are both found in nature and synthesized in the laboratory. For years, Schiff bases have been greatly inspiring to many chemists and biochemists. In this article, we attempt to present a new take on this group of compounds, underlining of the importance of various types of Schiff bases. Among the different types of compounds that can be classified as Schiff bases, we chose hydrazides, dihydrazides, hydrazones and mixed derivatives such as hydrazide-hydrazones. For these compounds, we presented the elements of their structure that allow them to be classified as Schiff bases. While hydrazones are typical examples of Schiff bases, including hydrazides among them may be surprising for some. In their case, this is possible due to the amide-iminol tautomerism. The carbon-nitrogen double bond present in the iminol tautomer is a typical element found in Schiff bases. In addition to the characteristics of the structure of these selected derivatives, and sometimes their classification, we presented selected literature items which, in our opinion, represent their importance in various fields well.
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Affiliation(s)
| | - Barbara Dmochowska
- Carbohydrate Chemistry Group, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland; (E.R.); (J.S.-F.); (J.M.)
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Khalil TE, Soliman SM, Khalil NA, El‐Faham A, Foro S, El‐Dissouky A. Synthesis, structure, X‐ray photoelectron spectroscopy (XPS), and antimicrobial, anticancer, and antioxidant activities of Co (III) complexes based on the antihypertensive hydralazine. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6565] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Tarek E. Khalil
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
| | - Saied M. Soliman
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
| | - Nessma A. Khalil
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
| | - Ayman El‐Faham
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
| | - Sabine Foro
- FB Material Wissenschaft, FG Strukturforschung Technische Universitaet Darmstadt Darmstadt Germany
| | - Ali El‐Dissouky
- Chemistry Department, Faculty of Science Alexandria University Alexandria Egypt
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Popiołek Ł. Updated Information on Antimicrobial Activity of Hydrazide-Hydrazones. Int J Mol Sci 2021; 22:9389. [PMID: 34502297 PMCID: PMC8430688 DOI: 10.3390/ijms22179389] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/24/2021] [Accepted: 08/24/2021] [Indexed: 01/03/2023] Open
Abstract
Hydrazide-hydrazones possess a wide spectrum of bioactivity, including antibacterial, antitubercular, antifungal, anticancer, anti-inflammatory, anticonvulsant, antidepressant, antiviral, and antiprotozoal properties. This review is focused on the latest scientific reports regarding antibacterial, antimycobacterial, and antifungal activities of hydrazide-hydrazones published between 2017 and 2021. The molecules and their chemical structures presented in this article are the most active derivatives, with discussed activities having a hydrazide-hydrazone moiety as the main scaffold or as a side chain. Presented information constitute a concise summary, which may be used as a practical guide for further design of new molecules with antimicrobial activity.
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Affiliation(s)
- Łukasz Popiołek
- Chair and Department of Organic Chemistry, Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki Street, 20-093 Lublin, Poland
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12
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Gamberini MC, Mary YS, Mary YS, Krátký M, Vinsova J, Baraldi C. Spectroscopic investigations, concentration dependent SERS, and molecular docking studies of a benzoic acid derivative. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 248:119265. [PMID: 33316651 DOI: 10.1016/j.saa.2020.119265] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/15/2020] [Accepted: 11/18/2020] [Indexed: 06/12/2023]
Abstract
Spectroscopic analysis, density functional theory (DFT) studies and surface enhanced Raman scattering of 4-((3-bromo-5-chloro-2-hydroxybenzylidene)amino)benzoic acid (BCHB) have been studied on different silver colloids concentrations in order to know the particular chemical species responsible for the spectra. For Raman and surface enhanced Raman scattering (SERS) wavenumbers, changes are observed. Observed variations in the modes of ring may be due to interaction of the π-electrons and presence of this indicated that RingII is more inclined than RingI and the BCHB assumes inclined orientation for concentration 10-3 M. Changes in orientation are seen in SERS spectra depending on concentration. In order to determine the electron-rich and poor sites of BCHB, the molecular electrostatic potential was also constructed. The molecular docking studies show that the bindings and interactions with the receptors may be supporting evidence for further studies in design further BCHB pharmaceutical applications.
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Affiliation(s)
- Maria Cristina Gamberini
- Department of Life Sciences, University of Modena and Reggio Emilia, via G. Campi 103, 41125 Modena, Italy
| | - Y Shyma Mary
- Researcher, Thushara, Neethinagar-64, Kollam, Kerala, India
| | - Y Sheena Mary
- Researcher, Thushara, Neethinagar-64, Kollam, Kerala, India.
| | - Martin Krátký
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Jarmila Vinsova
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Cecilia Baraldi
- Department of Life Sciences, University of Modena and Reggio Emilia, via G. Campi 103, 41125 Modena, Italy
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Kumar VS, Mary YS, Mary YS, Krátký M, Vinsova J, Baraldi C, Roxy MS, Gamberini MC. Spectroscopic investigations, concentration dependent SERS, and molecular docking studies of a hydroxybenzylidene derivative. J Biomol Struct Dyn 2021; 40:6952-6964. [PMID: 33645445 DOI: 10.1080/07391102.2021.1891971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Spectroscopic analysis, density functional theory (DFT) studies and surface enhanced Raman scattering (SERS) of (E)-N'-(5-chloro-2-hydroxybenzylidene)-4-trifluoromethyl) benzohydrazide (CHTB) have been studied on different silver colloids in order to know the particular chemical species responsible for the spectra. Very significant shifts are observed for Raman and SERS wavenumbers. Observed changes in the υ-ring modes may be due to surface interaction of the π-electrons and the presence of this suggested that RingII is more tilted in both cases than RingI and the molecule assumes a tilted orientation for the concentration 10-3 M. Orientation changes are seen in concentration dependent SERS spectra. The molecular electrostatic potential has also been constructed to determine the electron rich and poor site of CHTB. The molecular docking studies indicate that the binding affinity and hydrogen bond interactions with the receptors may be supporting evidence for further studies in designing other pharmaceutical applications of CHTB.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Veena S Kumar
- Department of Physics, SN College, Kollam, Research Centre, University of Kerala, Thiruvananthapuram, Kerala, India
| | | | | | - Martin Krátký
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Jarmila Vinsova
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Cecilia Baraldi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - M S Roxy
- Department of Physics, SN College, Kollam, Research Centre, University of Kerala, Thiruvananthapuram, Kerala, India
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Sezgin B, Dede B, Karabacak Atay Ç, Tilki T. Synthesis, Characterization and Theoretical Calculations of a Novel Azo Derivative with In Vitro and In Silico Biological Studies. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2020. [DOI: 10.1007/s13369-020-05104-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Albayati MR, Kansız S, Lgaz H, Kaya S, Dege N, Ali IH, Salghi R, Chung IM. Synthesis, experimental and theoretical characterization of (E)-2-((2,3-dimethylphenyl)amino)-N’-(furan-2-ylmethylene)benzohydrazide. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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16
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Investigation of the effect of sodium azide on the coordination mode of flexible ONO-donor hydrazone ligand in preparing manganese coordination compounds. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114751] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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17
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Balapoor L, Bikas R, Dargahi M. Catalytic oxidation of benzyl-alcohol with H2O2 in the presence of a dioxidomolybdenum(VI) complex. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119734] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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İbişoğlu H, Erdemir E, Atilla D, Şahin Ün Ş, Topçu S, Gül Şeker M. Synthesis, characterization and antimicrobial properties of cyclotriphosphazenes bearing benzimidazolyl rings. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119679] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Emami M, Bikas R, Noshiranzadeh N, Kozakiewicz A, Lis T. Cu(II)-Hydrazide Coordination Compound Supported on Silica Gel as an Efficient and Recyclable Heterogeneous Catalyst for Green Click Synthesis of β-Hydroxy-1,2,3-triazoles in Water. ACS OMEGA 2020; 5:13344-13357. [PMID: 32548521 PMCID: PMC7288712 DOI: 10.1021/acsomega.0c01491] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 05/12/2020] [Indexed: 05/02/2023]
Abstract
A hydrazone ligand, (E)-6-(2-((2-hydroxynaphthalen-1-yl)methylene)hydrazinyl)nicotinohydrazide (H2L), was synthesized and characterized by spectroscopic methods. The reaction of H2L with CuCl2·2H2O in methanol gave Cu(II) coordination compound, [Cu(HL')(Cl)]·CH3OH (1), which was characterized by elemental analysis and spectroscopic methods (Fourier transform infrared (FT-IR) and UV-vis). The structure of 1 was also determined by single-crystal X-ray analysis. Structural studies confirmed the formation of esteric group during the synthesis of 1. Compound 1 was immobilized on 3-aminopropyltriethoxysilane (APTS)-functionalized silica gel through the amidification reaction and the obtained heterogeneous coordination compound was utilized as a catalyst for the three-component azide-epoxide-alkyne cycloaddition reaction in water as a green solvent. The structural properties of the heterogeneous catalyst were characterized by a combination of FT-IR, UV-vis, thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and energy-dispersive spectrometry (EDS) analyses. The effect of the amount of catalyst and temperature on the cycloaddition reaction was studied, and the obtained 1,2,3-triazoles were characterized by spectroscopic studies and single-crystal X-ray analysis. The catalytic investigations revealed that this catalytic system has high activity in the synthesis of β-hydroxy-1,2,3-triazoles. It was also found that the aromatic and aliphatic substituents on the alkyne and epoxide together with the reaction temperature have considerable effects on the activity and regioselectivity of this catalytic system.
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Affiliation(s)
- Marzieh Emami
- Department
of Chemistry, Faculty of Science, University
of Zanjan, 45371-38791 Zanjan, Iran
| | - Rahman Bikas
- Department
of Chemistry, Faculty of Science, Imam Khomeini
International University, 34148-96818 Qazvin, Iran
- ,
| | - Nader Noshiranzadeh
- Department
of Chemistry, Faculty of Science, University
of Zanjan, 45371-38791 Zanjan, Iran
| | - Anna Kozakiewicz
- Faculty
of Chemistry, Nicolaus Copernicus University
in Toruń, 87-100 Toruń, Poland
| | - Tadeusz Lis
- Faculty
of Chemistry, University of Wroclaw, Joliot-Curie 14, Wroclaw 50-383, Poland
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20
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Bikas R, Ajormal F, Noshiranzadeh N, Emami M, Kozakiewicz A. 1D Azido bridged Cu(II) coordination polymer with 1,3‐oxazolidine ligand as an effective catalyst for green click synthesis of 1,2,3‐triazoles. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5826] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Rahman Bikas
- Department of Chemistry, Faculty of Science Imam Khomeini International University Qazvin 34148‐96818 Iran
| | - Fatemeh Ajormal
- Department of Chemistry, Faculty of Science University of Zanjan Zanjan 45371‐38791 Iran
| | - Nader Noshiranzadeh
- Department of Chemistry, Faculty of Science University of Zanjan Zanjan 45371‐38791 Iran
| | - Marzieh Emami
- Department of Chemistry, Faculty of Science University of Zanjan Zanjan 45371‐38791 Iran
| | - Anna Kozakiewicz
- Department of Biomedical and Polymer Chemistry, Faculty of Chemistry Nicolaus Copernicus University in Torun Torun 87‐100 Poland
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21
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Albayati MR, Kansız S, Dege N, Kaya S, Marzouki R, Lgaz H, Salghi R, Ali IH, Alghamdi MM, Chung IM. Synthesis, crystal structure, Hirshfeld surface analysis and DFT calculations of 2-[(2,3-dimethylphenyl)amino]-N’-[(E)-thiophen-2-ylmethylidene]benzohydrazide. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127654] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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22
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Synthesis and characterization of homobimetallic molybdenum(VI) complexes of a dihydrazone as efficient catalysts for the synthesis of hexahydroxyquinolines via multicomponent Hantzsch reaction. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127553] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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One-pot synthesis, crystal structure and theoretical calculations of a dinuclear Mn(III) complex with in-situ generated O,N,O- and O,N-donor dichelating hydrazone ligand. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127023] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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Jayakumar S, Mahendiran D, Arumai Selvan D, Kalilur Rahiman A. Bis(imidazol-1-yl)methane-based heteroscorpionate metal(II) complexes: Theoretical, antimicrobial, antioxidant, in vitro cytotoxicity and c-Met tyrosine kinase studies. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.06.088] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Jayakumar S, Mahendiran D, Rahiman AK. Theoretical, antimicrobial, antioxidant, in vitro cytotoxicity, and cyclin-dependent kinase 2 inhibitor studies of metal(II) complexes with bis(imidazol-1-yl)methane-based heteroscorpionate ligands. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1620217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- S. Jayakumar
- Post-Graduate and Research Department of Chemistry, The New College (Autonomous), Chennai, India
- Department of Chemistry, Misrimal Navajee Munoth Jain Engineering College, Chennai, India
| | - D. Mahendiran
- Post-Graduate and Research Department of Chemistry, The New College (Autonomous), Chennai, India
- Molecular Pharmacology and Pathology Program, Department of Pathology, Bosch Institute, University of Sydney, Sydney, Australia
| | - A. Kalilur Rahiman
- Post-Graduate and Research Department of Chemistry, The New College (Autonomous), Chennai, India
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26
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Deilami AB, Salehi M, Amiri A, Arab A. New copper(II) and vanadium(IV) complexes based on allylamine-derived Schiff base ligand; synthesis, crystal structure, electrochemical properties and DFT calculations. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.12.031] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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27
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Bikas R, Ajormal F, Emami M, Sanchiz J, Noshiranzadeh N, Kozakiewicz A. Crystal structure and magneto-structural investigation of alkoxido bridged dinuclear Fe(III) complexes with 1,3-oxazolidine ligands. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.01.035] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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28
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Synthesis, crystal structure and investigation of the catalytic and spectroscopic properties of a Zn(II) complex with coumarin-hydrazone ligand. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.12.023] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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29
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Emami M, Bikas R, Noshiranzadeh N, Sanchiz J, Ślepokura K, Lis T. Synthesis, characterization and magnetic properties of phenoxido bridged dinuclear iron(III) complex with bis(phenolate) ligand. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.12.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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30
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Bikas R, Kuncser V, Sanchiz J, Schinteie G, Siczek M, Hosseini-Monfared H, Lis T. Structure and magnetic behavior of unpredictable EE-azide bridged tetranuclear Mn(II) complex with ONO-donor hydrazone ligand and its transformation to dinuclear Mn(III) complex. Polyhedron 2018. [DOI: 10.1016/j.poly.2018.03.019] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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31
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Bikas R, Ajormal F, Emami M, Noshiranzadeh N, Kozakiewicz A. Catalytic oxidation of benzyl alcohols by new Cu(II) complexes of 1,3-oxazolidine based ligand obtained from a solvent free reaction. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.03.038] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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32
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Bikas R, Farzaneh-Bonab H, Noshiranzadeh N, Aygün M, Emami M, Lis T. Coumarin-naphthohydrazone ligand with a rare coordination mode to form Mn(II) and Co(II) 1-D coordination polymers: synthesis, characterization, and crystal structure. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1446083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Rahman Bikas
- Faculty of Science, Department of Chemistry, Imam Khomeini International University, Qazvin, Iran
| | | | - Nader Noshiranzadeh
- Faculty of Sciences, Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Muhittin Aygün
- Faculty of Science, Department of Physics, Dokuz Eylül University, İzmir, Turkey
| | - Marzieh Emami
- Faculty of Sciences, Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Tadeusz Lis
- Faculty of Chemistry, University of Wroclaw, Wroclaw, Poland
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33
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Notash B. 1D helical cadmium coordination polymers containing hydrazide ligand: The role of solvent and molar ratio. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.11.106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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34
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Bakale RP, Naik GN, Machakanur SS, Mangannavar CV, Muchchandi IS, Gudasi KB. Structural characterization and antimicrobial activities of transition metal complexes of a hydrazone ligand. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.10.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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35
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Yıldız E, Köse M, Tümer M, Purtaş S, Tümer F. Thiophene based imine compounds: Structural characterization, electrochemical, photophysical and thermal properties. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.08.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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36
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Fekri R, Salehi M, Asadi A, Kubicki M. Spectroscopic studies, structural characterization and electrochemical studies of two cobalt (III) complexes with tridentate hydrazone Schiff base ligands: Evaluation of antibacterial activities, DNA‐binding, BSA interaction and molecular docking. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.4019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Roghayeh Fekri
- Department of Chemistry, College of ScienceSemnan University Semnan Iran
| | - Mehdi Salehi
- Department of Chemistry, College of ScienceSemnan University Semnan Iran
| | - Asadollah Asadi
- Department of Biology, Faculty of ScienceUniversity of Mohaghegh Ardabili Ardabil Iran
| | - Maciej Kubicki
- Faculty of ChemistryAdam Mickiewicz University Umultowska 89b 61‐614 Poznan Poland
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37
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Heidari A, Noshiranzadeh N, Haghi F, Bikas R. Inhibition of quorum sensing related virulence factors of Pseudomonas aeruginosa by pyridoxal lactohydrazone. Microb Pathog 2017; 112:103-110. [PMID: 28939255 DOI: 10.1016/j.micpath.2017.09.043] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 09/16/2017] [Accepted: 09/18/2017] [Indexed: 01/03/2023]
Abstract
Pseudomonas aeruginosa quorum sensing (QS) system is a cell to cell signaling mechanism that regulates virulence factors and pathogenicity. Therefore, the QS system in P. aeruginosa may be an important target for pharmacological intervention. The present study aimed to investigate the effects of sub-MIC concentrations of (S,E)-2-hydroxy-N-(3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl)propane hydrazide (pyridoxal lactohydrazone) against P. aeruginosa QS related virulence factors. We investigated the effect of sub-MIC concentrations of chiral pyridoxal lactohydrazone, which formed by the reaction of chiral lactic acid hydrazide and pyridoxal (one form of Vitamin B6) as bioactive reagents, on virulence factors. Treated PAO1 cultures in the presence of tested compound at 1/4 and 1/16 MIC (32 and 8 μg/mL respectively) showed significant inhibition of virulence factors including motility, alginate and pyocyanin production and susceptibility to H2O2 (P < 0.001). Also, the pyridoxal lactohydrazone showed anti-QS activity in Chromobacterium violaceum CV026 biosensor bioassay. Because of quorum sensing is a promising target for anti-virulence therapy and also important role of LasR regulatory protein in the initiation of P. aeruginosa QS system, we carried out molecular docking for understanding the interactions of pyridoxal lactohydrazone with the LasR receptor. The results of docking study suggested that the pyridoxal lactohydrazone has potential to inhibit the LasR protein. The results indicated that sub-MIC concentrations of this compound exhibited inhibitory effect on P. aeruginosa QS related virulence factors.
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Affiliation(s)
- Azam Heidari
- Department of Chemistry, Faculty of Sciences, University of Zanjan, 45371-38791, Zanjan, IR, Iran
| | - Nader Noshiranzadeh
- Department of Chemistry, Faculty of Sciences, University of Zanjan, 45371-38791, Zanjan, IR, Iran.
| | - Fakhri Haghi
- Department of Microbiology, School of Medicine, Zanjan University of Medical Sciences, 45139-56111, Zanjan, IR, Iran.
| | - Rahman Bikas
- Department of Chemistry, Faculty of Sciences, University of Zanjan, 45371-38791, Zanjan, IR, Iran
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38
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Noei-Hootkani H, Karrari S, Hosseini-Monfared H, Mayer P, Notash B. Synthesis, structural characterization, DFT studies and catalytic properties of dinuclear oxidovanadium(V) complexes derived from adipohydrazone ligands. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.04.100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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39
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Heidari A, Haghi F, Noshiranzadeh N, Bikas R. (S,E)-2-hydroxy-N-(2-hydroxy-5-nitrobenzylidene) propane hydrazide as a quorum sensing inhibitor of Pseudomonas aeruginosa. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1908-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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40
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Synthesis, characterization, EPR spectroscopy and catalytic activity of a new oxidovanadium(IV) complex with N2O2-donor ligand. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.11.059] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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41
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Bikas R, Lippolis V, Noshiranzadeh N, Farzaneh-Bonab H, Blake AJ, Siczek M, Hosseini-Monfared H, Lis T. Electronic Effects of Aromatic Rings on the Catalytic Activity of Dioxidomolybdenum(VI)-Hydrazone Complexes. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201601359] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Rahman Bikas
- Department of Chemistry; Faculty of Sciences; University of Zanjan; 45195-313 Zanjan Iran
| | - Vito Lippolis
- Dipartimento di Scienze Chimiche e Geologiche; Università degli Studi di Cagliari S.S.; 554 Bivio per Sestu 09042 Monserrato Italy
| | - Nader Noshiranzadeh
- Department of Chemistry; Faculty of Sciences; University of Zanjan; 45195-313 Zanjan Iran
| | - Hossein Farzaneh-Bonab
- Department of Chemistry; Faculty of Sciences; University of Zanjan; 45195-313 Zanjan Iran
| | - Alexander J. Blake
- School of Chemistry; The University of Nottingham; University Park NG7 2RD Nottingham UK
| | - Milosz Siczek
- Faculty of Chemistry; University of Wroclaw; Joliot-Curie 14 50-383 Wroclaw Poland
| | | | - Tadeusz Lis
- Faculty of Chemistry; University of Wroclaw; Joliot-Curie 14 50-383 Wroclaw Poland
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42
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Bikas R, Ghorbanloo M, Sasani R, Pantenburg I, Meyer G. Manganese(II) complexes of hydrazone based NNO-donor ligands and their catalytic activity in the oxidation of olefins. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1281918] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Rahman Bikas
- Faculty of Science, Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Massomeh Ghorbanloo
- Faculty of Science, Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Roya Sasani
- Faculty of Science, Department of Chemistry, University of Zanjan, Zanjan, Iran
| | - Ingo Pantenburg
- Department für Chemie, Institut für Anorganische Chemie, Universität zu Köln, Köln, Germany
| | - Gerd Meyer
- Department für Chemie, Institut für Anorganische Chemie, Universität zu Köln, Köln, Germany
- Department of Chemistry, Iowa State University, Ames, IA, USA
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43
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Ghorbanloo M, Jafari S, Bikas R, Krawczyk MS, Lis T. Dioxidovanadium(V) complexes containing thiazol-hydrazone NNN-donor ligands and their catalytic activity in the oxidation of olefins. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.10.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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44
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Bikas R, Emami M, Ślepokura K, Noshiranzadeh N. Preparing Mn(iii) salen-type Schiff base complexes using 1,3-oxazines obtained by Mannich condensation: towards removing ortho-hydroxyaldehydes. NEW J CHEM 2017. [DOI: 10.1039/c7nj01562c] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis of Mn(iii)-salen type Schiff base complexes from 1,3-oxazines obtained from Mannich condensation. This method eliminates the restrictions on the use ofortho-hydroxyaldehydes.
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Affiliation(s)
- Rahman Bikas
- Department of Chemistry
- Faculty of Sciences
- University of Zanjan 45371-38791
- Zanjan
- Iran
| | - Marzieh Emami
- Department of Chemistry
- Faculty of Sciences
- University of Zanjan 45371-38791
- Zanjan
- Iran
| | - Katarzyna Ślepokura
- Faculty of Chemistry
- University of Wroclaw
- Joliot-Curie 14
- Wroclaw 50-383
- Poland
| | - Nader Noshiranzadeh
- Department of Chemistry
- Faculty of Sciences
- University of Zanjan 45371-38791
- Zanjan
- Iran
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45
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Emami M, Noshiranzadeh N, Bikas R, Gutierrez A, Kozakiewicz A. Synthesis, crystal structure and magnetic studies of linear and cubane-type tetranuclear Cu(II) complexes obtained by stoichiometric control of the reagents. Polyhedron 2017. [DOI: 10.1016/j.poly.2016.11.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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46
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Synthesis, characterization and magnetic properties of a dinuclear oxidovanadium(IV) complex: Magneto-structural DFT studies on the effects of out-of-plane –OCH3 angle. Polyhedron 2017. [DOI: 10.1016/j.poly.2016.11.026] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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47
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Synthesis, Crystal Structure of a Novel Mn Complex with Nicotinoyl-Glycine. CRYSTALS 2016. [DOI: 10.3390/cryst7010003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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