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Zinatloo-Ajabshir S, Rakhshani S, Mehrabadi Z, Farsadrooh M, Feizi-Dehnayebi M, Rakhshani S, Dušek M, Eigner V, Rtimi S, Aminabhavi TM. Novel rod-like [Cu(phen) 2(OAc)]·PF 6 complex for high-performance visible-light-driven photocatalytic degradation of hazardous organic dyes: DFT approach, Hirshfeld and fingerprint plot analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 350:119545. [PMID: 37995482 DOI: 10.1016/j.jenvman.2023.119545] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/19/2023] [Accepted: 11/04/2023] [Indexed: 11/25/2023]
Abstract
A novel octahedral distorted coordination complex was formed from a copper transition metal with a bidentate ligand (1,10-Phenanthroline) and characterized by Ultraviolet-visible spectroscopy, Ultraviolet-visible diffuse reflectance spectroscopy, Fourier-transform infrared spectroscopy, Brunauer-Emmett-Teller, Field emission scanning electron microscopy, and Single-crystal X-ray diffraction. The Hirshfeld surface and fingerprint plot analyses were conducted to determine the interactions between atoms in the Cu(II) complex. DFT calculations showed that the central copper ion and its coordinated atoms have an octahedral geometry. The Molecular electrostatic potential (MEP) map indicated that the copper (II) complex is an electrophilic compound that can interact with negatively charged macromolecules. The HOMO-LUMO analysis demonstrated the π nature charge transfer from acetate to phenanthroline. The band gap of [Cu(phen)2(OAc)]·PF6 photocatalyst was estimated to be 2.88 eV, confirming that this complex is suitable for environmental remediation. The photocatalytic degradation of erythrosine, malachite green, methylene blue, and Eriochrome Black T as model organic pollutants using the prepared complex was investigated under visible light. The [Cu(phen)2(OAc)]·PF6 photocatalyst exhibited degradation 94.7, 90.1, 82.7, and 74.3 % of malachite green, methylene blue, erythrosine, and Eriochrome Black T, respectively, under visible illumination within 70 min. The results from the Langmuir-Hinshelwood kinetic analysis demonstrated that the Cu(II) complex has a higher efficiency for the degradation of cationic pollutants than the anionic ones. This was attributed to surface charge attraction between photocatalyst and cationic dyes promoting removal efficiency. The reusability test indicated that the photocatalyst could be utilized in seven consecutive photocatalytic degradation cycles with an insignificant decrease in efficiency.
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Affiliation(s)
| | - Sajjad Rakhshani
- Department of Chemistry, University of Sistan and Baluchestan, Zahedan, P.O. Box 98135-674, Iran
| | - Zohreh Mehrabadi
- Department of Chemistry, Firoozabad Branch, Islamic Azad University, Firoozabad, Iran
| | - Majid Farsadrooh
- Renewable Energies Research Laboratory, Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, P.O. Box 98135 674, Zahedan, Iran.
| | - Mehran Feizi-Dehnayebi
- Department of Chemistry, University of Sistan and Baluchestan, Zahedan, P.O. Box 98135-674, Iran.
| | - Saleh Rakhshani
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Michal Dušek
- Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21, Praha 8, Czech Republic
| | - Václav Eigner
- Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21, Praha 8, Czech Republic
| | - Sami Rtimi
- Global Institute for Water, Environment and Health, 1201, Geneva, Switzerland.
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, India; University Center for Research & Development (UCRO), Chandigarh University, Gharuan, Mohali, 140413, Punjab, India.
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2
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Shafique K, Farrukh A, Mahmood Ali T, Qasim S, Jafri L, Abd-Rabboh HSM, AL-Anazy MM, Kalsoom S. Designing Click One-Pot Synthesis and Antidiabetic Studies of 1,2,3-Triazole Derivatives. Molecules 2023; 28:molecules28073104. [PMID: 37049866 PMCID: PMC10096114 DOI: 10.3390/molecules28073104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
In the present study, a new series of 1,2,3-triazole derivatives was synthesized via a click one-pot reaction. The synthesized compounds were found to be active during molecular docking studies against targeted protein 1T69 by using the Molecular Operating Environment (MOE) software. The designed and synthesized compounds were characterized by using FT-IR, 1H-NMR and LC-MS spectra. The synthesized triazole moieties were further screened for their α-amylase and α-glucosidase inhibitory activities. The preliminary activity analysis revealed that all the compounds showed good inhibition activity, ranging from moderate to high depending upon their structures and concentrations and compared to the standard drug acarbose. Both in silico and in vitro analysis indicated that the synthesized triazole molecules are potent for DM type-II. Out of all the compounds, compound K-1 showed the maximum antidiabetic activity with 87.01% and 99.17% inhibition at 800 µg/mL in the α-amylase and α-glucosidase inhibition assays, respectively. Therefore these triazoles may be further used as promising molecules for development of antidiabetic compounds.
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3
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Computational examination on monomeric, dimeric, trimeric structural and vibrational interactions, AIM, Hirshfeld, IGM and oxygenated solvent effect on optical properties for pyridine N-oxide. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100660] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Chaudhary D, Bedi P, Santra S, Pramanik T. Synthesis and Biological Properties of Coumarin Analogue: A Brief
Review. LETT ORG CHEM 2022. [DOI: 10.2174/1570178618666210202152452] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
One of the most prominent aromatic organic chemical compound is Coumarin having formula C9H6O2 which
is widely known for its benefits in drug industry. Colourless crystalline solid having sweet scent is coumarin’s physical
identity. It serves various purposes such as in synthesis of medicines, laser dyes, perfumes and many more. Having enormous
usages it becomes important to synthesize such compound so various reactions were performed in order to obtain coumarins.
This review explicates the preparation of coumarin by Pechmann Condensation and its biological characteristics.
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Affiliation(s)
- Diksha Chaudhary
- Department of Chemistry, School of Chemical Engineering and Physical Science, Faculty of Technology and Sciences,
Lovely Professional University, Phagwara, P.O.Box 144411, India
| | - Pooja Bedi
- Department of Chemistry, School of Chemical Engineering and Physical Science, Faculty of Technology and Sciences,
Lovely Professional University, Phagwara, P.O.Box 144411, India
| | - Soumava Santra
- Department of Chemistry, School of Chemical Engineering and Physical Science, Faculty of Technology and Sciences,
Lovely Professional University, Phagwara, P.O.Box 144411, India
| | - Tanay Pramanik
- Department of Chemistry, University of Engineering
and Management, University Area, Action Area III, B/5, Newtown, Kolkata-700160, India
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5
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Paul T, Janakiraman I, Manikandan NA, Pakshirajan K, Pugazhenthi G, Girisa S, Kunnumakkara AB. Reuse Potential of Refinery Wastewater Treated Using a Two‐Stage Submerged Membrane Bioreactor. Chem Eng Technol 2022. [DOI: 10.1002/ceat.202100496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tanushree Paul
- Indian Institute of Technology Guwahati Center for the Environment 781039 Guwahati Assam India
| | - Iyyappan Janakiraman
- Indian Institute of Technology Guwahati Center for the Environment 781039 Guwahati Assam India
| | - N. Arul Manikandan
- Indian Institute of Technology Guwahati Department of Chemical Engineering 781039 Guwahati Assam India
| | - Kannan Pakshirajan
- Indian Institute of Technology Guwahati Center for the Environment 781039 Guwahati Assam India
- Indian Institute of Technology Guwahati Department of Biosciences and Bioengineering 781039 Guwahati Assam India
| | - Gopal Pugazhenthi
- Indian Institute of Technology Guwahati Center for the Environment 781039 Guwahati Assam India
- Indian Institute of Technology Guwahati Department of Chemical Engineering 781039 Guwahati Assam India
| | - Sosmitha Girisa
- Indian Institute of Technology Guwahati Department of Biosciences and Bioengineering 781039 Guwahati Assam India
| | - Ajaikumar B. Kunnumakkara
- Indian Institute of Technology Guwahati Department of Biosciences and Bioengineering 781039 Guwahati Assam India
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6
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Synthesis of 4-((4-(4-nitrophenoxy)phenyl)diazenyl)benzene-1,3-benzoate:Experimental, DFT and, DNA binding investigation through spectral and molecular docking studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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7
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Gu J, Lu X. A mechanistic study of 1,3,5-trisubstituted-1,2,3-triazoles by Ab initio method. PROGRESS IN REACTION KINETICS AND MECHANISM 2022. [DOI: 10.1177/1468678320923295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The mechanism of synthesis of 1,3,5-trisubstituted-1,2,4-triazoles from 3-thiopheneacetic acetic acid, 4-pyridine formamidine, and tri-fluoro ethyl hydrazine has been first investigated with B3LYP/6-311++G** method in this article. According to the potential energy profile, it can be predicted that the course of the reaction consists of six elementary reactions. The 3-thiopheneacetic acetic acid and 4-pyridine formamidine form first an intermediate product through a dehydration reaction; the intermediate product further combines with hydrogen ion to form a positive ions; the positive ion reacts with three fluorine ethyl hydrazines by a dehydration reaction to form another positive ions; then, it followed by two isomerization reactions, the final reaction with the acetate ion (Ac−) produces the final product. The research results reveal the laws of synthesis reaction of 1,3,5-trisubstituted-1,2,4-triazoles by the carboxylic acids, amidines, hydrazines, and their derivatives on theoretical level. These studies provide the systematic theoretical basis to design and synthesize new 1,3,5-trisubstituted-1,2,4-triazoles.
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Affiliation(s)
- Jinsong Gu
- School of Biological Science and Technology, University of Jinan, Jinan, P.R. China
| | - Xiuhui Lu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, P.R. China
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8
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Qamar S, Perveen F, Akhter Z, Yousuf S, Sultan M, Erten Ela S, Ullah N, Fatima K, kanwal S. 4,4-Nitrophenoxyaniline derived Azo ester: Structural elucidation, DFT simulation, and DNA interactional studies via wet and in silico methods. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131695] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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9
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Dowlath MJH, Musthafa SA, Mohamed Khalith SB, Varjani S, Karuppannan SK, Ramanujam GM, Arunachalam AM, Arunachalam KD, Chandrasekaran M, Chang SW, Chung WJ, Ravindran B. Comparison of characteristics and biocompatibility of green synthesized iron oxide nanoparticles with chemical synthesized nanoparticles. ENVIRONMENTAL RESEARCH 2021; 201:111585. [PMID: 34181925 DOI: 10.1016/j.envres.2021.111585] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/12/2021] [Accepted: 06/19/2021] [Indexed: 05/24/2023]
Abstract
Iron oxide nanoparticles synthesis is an expanding area of research due of their magnetic properties and possible applications in several novel technologies. FeONPs are indispensable in the biomedical field for diagnosis, treatments and drug delivery and in bioremediation applications. The synthesis route of nanoparticles is a major concern because biological methods are eco-friendly, and chemical methods are considered toxic. The objective of this study is to synthesize FeONPs by two different methods and to compare their properties and efficiency in applications. FeONPs were synthesized and characterized by microscopic and various spectroscopic techniques. The synthesized FeONPs were screened for their cytotoxic activity on PBMCs using MTT assay and found to exhibit good biocompatibility. Moreover, the GS FeONPs exhibited potential antibacterial activities and meanwhile showed less toxicity in brine shrimp lethality assay. Hence, these nanoparticles are biocompatible, environmentally safe and can be utilized in many medical applications.
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Affiliation(s)
- Mohammed Junaid Hussain Dowlath
- Center for Environmental Nuclear Research, Directorate of Research and Virtual Education, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Shazia Anjum Musthafa
- Interdisciplinary Institute of Indian System of Medicine, Directorate of Research and Virtual Education, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India; Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - S B Mohamed Khalith
- Center for Environmental Nuclear Research, Directorate of Research and Virtual Education, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, 382 010, Gujarat, India
| | - Sathish Kumar Karuppannan
- Center for Environmental Nuclear Research, Directorate of Research and Virtual Education, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Ganesh Munuswamy Ramanujam
- Interdisciplinary Institute of Indian System of Medicine, Directorate of Research and Virtual Education, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India; Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Aarrthy M Arunachalam
- Department of Emergency Medicine, Howard University, Kaplan Medical Center, Washington, DC, USA
| | - Kantha Deivi Arunachalam
- Center for Environmental Nuclear Research, Directorate of Research and Virtual Education, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India.
| | - Murugesan Chandrasekaran
- Department of Food Science and Biotechnology, Sejong University, Gwangjin-gu, Seoul, 05006, Republic of Korea
| | - Soon Woong Chang
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon, Gyeonggi-Do, 16227, Republic of Korea
| | - Woo Jin Chung
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon, Gyeonggi-Do, 16227, Republic of Korea
| | - Balasubramani Ravindran
- Center for Environmental Nuclear Research, Directorate of Research and Virtual Education, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India; Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon, Gyeonggi-Do, 16227, Republic of Korea.
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10
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Ahmed MN, Shabbir S, Batool B, Mahmood T, Rashid U, Yasin KA, Tahir MN, Cassará MLA, Gil DM. A New Insight into Non-covalent Interactions in 1,4-Disubstituted 1H-1,2,3-Triazole: Synthesis, X-ray structure, DFT calculations, in vitro Lipoxygenase Inhibition (LOX) and in silico Studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130283] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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11
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Syntheses, crystal structures, antioxidant, in silico DNA and SARS-CoV-2 interaction studies of triorganotin(IV) carboxylates. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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12
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Ahmad S, Mahmood T, Ahmad M, Arshad MN, Ullah F, Shafiq M, Aslam S, Asiri AM. Synthesis, single crystal X-ray, spectroscopic and computational (DFT) studies 2,1-benzothiazine based hydrazone derivatives. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129854] [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]
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13
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Synthesis, X-ray, Hirshfeld surface analysis, exploration of DNA binding, urease enzyme inhibition and anticancer activities of novel adamantane-naphthyl thiourea conjugate. Bioorg Chem 2021; 109:104707. [PMID: 33639362 DOI: 10.1016/j.bioorg.2021.104707] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/10/2020] [Accepted: 01/27/2021] [Indexed: 01/02/2023]
Abstract
1-(adamantane-1-carbonyl-3-(1-naphthyl)) thiourea (C22H24N2OS (4), was synthesized by the reaction of freshly prepared adamantane-1-carbonyl chloride from corresponding acid (3) with ammonium thiocyanate in 1:1 M ratio in dry acetone to afford the adamantane-1-carbonyl isothiocyanate (2) in situ followed by treatment with 1-naphthyl amine (3). The structure was established by elemental analyses, FTIR, 1H, 13C NMR and mass spectroscopy. The molecular and crystal structure were determined by single crystal X-ray analysis. It belongs to triclinic system P - 1 space group with a = 6.7832(5) Å, b = 11.1810(8) Å, c = 13.6660(10) Å, α = 105.941(6)°, β = 103.730(6)°, γ = 104.562(6)°, Z = 2, V = 910.82(11) Å3. The naphthyl group is almost planar. In the crystal structure, intermolecular CH···O hydrogen bonds link the molecules into centrosymmetric dimers, enclosing R22(14) ring motifs, while the intramolecular NH···O hydrogen bonds enclose S(6) ring motifs, in which they may be effective in the stabilization of the structure. The Hirshfeld surface analysis of the crystal structure indicates that the most important contributions for the crystal packing are from H … H (59.3%), H … C/C … H (19.8%) and H … S/S … H (10.1%) interactions. Hydrogen bonding and van der Waals interactions are the dominant interactions in the crystal packing. DFT, molecular docking and urease inhibition studies revealed stability and electron withdrawing nature of 4 as compared to DNA base pairs and residues of urease. The DNA binding results from docking, UV- visible spectroscopy, and viscosity studies indicated significant binding of 4 with the DNA via intercalation and groove binding. Further investigation of the compound was done on hepatocellular carcinoma; Huh-7 cell line as well as normal human embryonic kidney; Hek-293 cell line. The compound showed significant cytotoxic activity against Huh-7 cells in comparison to normal Hek-293 cells indicating selective cytotoxicity towards cancer cells.
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14
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Ahmed MN, Madni M, Anjum S, Andleeb S, Hameed S, Khan AM, Ashfaq M, Tahir MN, Gil DM, Frontera A. Crystal engineering with pyrazolyl-thiazole derivatives: structure-directing role of π-stacking and σ-hole interactions. CrystEngComm 2021. [DOI: 10.1039/d1ce00256b] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The structure-directing role of a variety of noncovalent interactions in the solid state of pyrazolyl-thiazole derivatives has been analyzed energetically using DFT calculations and by means of Hirshfeld surface analysis.
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Affiliation(s)
- Muhammad Naeem Ahmed
- Department of Chemistry
- The University of Azad Jammu and Kashmir
- Muzaffarabad
- 13100 Pakistan
| | - Murtaza Madni
- Department of Chemistry
- Quaid-i-Azam University
- Islamabad 45320
- Pakistan
| | - Shaista Anjum
- Department of Chemistry
- The University of Azad Jammu and Kashmir
- Muzaffarabad
- 13100 Pakistan
| | - Saiqa Andleeb
- Department of Zoology
- The University of Azad Jammu and Kashmir
- Muzaffarabad
- 13100 Pakistan
| | - Shahid Hameed
- Department of Chemistry
- Quaid-i-Azam University
- Islamabad 45320
- Pakistan
| | - Abdul Majeed Khan
- Research Laboratory of Bioenergy
- Department of Chemistry
- Federal Urdu University of Arts, Science and Technology
- Karachi-75300
- Pakistan
| | | | | | - Diego M. Gil
- INBIOFAL (CONICET – UNT)
- Instituto de Química Orgánica
- Facultad de Bioquímica
- Química y Farmacia
- Universidad Nacional de Tucumán
| | - Antonio Frontera
- Department of Quimica
- Universitat de les Illes Balears
- 07122 Palma de Mallorca
- Spain
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15
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A Five-Coordinate Copper(II) Complex Constructed from Sterically Hindered 4-Chlorobenzoate and Benzimidazole: Synthesis, Crystal Structure, Hirshfeld Surface Analysis, DFT, Docking Studies and Antibacterial Activity. CRYSTALS 2020. [DOI: 10.3390/cryst10110991] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A new CuII complex (1) was synthesized by reacting 4-chlorobenzoic acid, benzimidazole and metal salt using ethanol–water (1:1 v/v) as a solvent at room temperature. The complex was characterized by single-crystal X-ray analysis, FTIR and UV—vis spectroscopy. A distorted square pyramidal geometry of the CuII center was observed from the single-crystal X-ray study, which also revealed that the uncoordinated oxygen atom of the carboxylate anions forms intermolecular hydrogen bonds with the N–H groups of the benzimidazole ligands. The Hirshfeld analysis results revealed that the molecular packing of 1 is mainly controlled by O...H (12.7%), Cl...H (16.4%), C...H (24.4%) and H...H (31.1%) contacts. Density functional theory (DFT) calculations were performed to compute the HOMO–LUMO energy gap and electrostatic potential map for the charge transfer regions within the molecule and identify the possible electrophilic and nucleophilic regions of the molecule. A number of reactivity parameters calculated on the basis of EHOMO and ELUMO show its significant polarizability and reactive nature. Complex 1 was also examined and screened for its potential antibacterial effect using the agar well diffusion method. The newly synthesized complex showed an effective and higher killing rate of the microbes in antibacterial testing compared to the parent ligand. The CuII complex (1) showed an enhanced inhibitory activity against P. aeruginosa and equally demonstrated greater binding affinity with DNA gyrase (1KIJ) compared to its ligands according to the molecular docking studies.
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16
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Nazeer U, Rasool N, Mujahid A, Mansha A, Zubair M, Kosar N, Mahmood T, Raza Shah A, Shah SAA, Zakaria ZA, Akhtar MN. Selective Arylation of 2-Bromo-4-chlorophenyl-2-bromobutanoate via a Pd-Catalyzed Suzuki Cross-Coupling Reaction and Its Electronic and Non-Linear Optical (NLO) Properties via DFT Studies. Molecules 2020; 25:molecules25153521. [PMID: 32752125 PMCID: PMC7435822 DOI: 10.3390/molecules25153521] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 11/23/2022] Open
Abstract
In the present study, 2-bromo-4-chlorophenyl-2-bromobutanoate (3) was synthesized via the reaction of 2-bromo-4-chlorophenol with 2-bromobutanoyl bromide in the presence of pyridine. A variety of 2-bromo-4-chlorophenyl-2-bromobutanoate derivatives (5a–f) were synthesized with moderate to good yields via a Pd-catalyzed Suzuki cross-coupling reaction. To find out the reactivity and electronic properties of the compounds, Frontier molecular orbital analysis, non-linear optical properties, and molecular electrostatic potential studies were performed.
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Affiliation(s)
- Usman Nazeer
- Department of Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan; (U.N.); (A.M.); (A.M.); (M.Z.); (A.R.S.)
- College of Chemistry and Molecular Engineering, Zhengzhou University, Kexue road No. 100, Zhengzhou 450001, China
| | - Nasir Rasool
- Department of Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan; (U.N.); (A.M.); (A.M.); (M.Z.); (A.R.S.)
- Correspondence: (N.R.); (Z.A.Z.); Tel.: +92-332-749-1790 (N.R.); +603-8947-2111 (Z.A.Z.); Fax: +92-419-201-032 (N.R.); +603-8943-6178 (Z.A.Z.)
| | - Aqsa Mujahid
- Department of Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan; (U.N.); (A.M.); (A.M.); (M.Z.); (A.R.S.)
| | - Asim Mansha
- Department of Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan; (U.N.); (A.M.); (A.M.); (M.Z.); (A.R.S.)
| | - Muhammad Zubair
- Department of Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan; (U.N.); (A.M.); (A.M.); (M.Z.); (A.R.S.)
| | - Naveen Kosar
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, University Road, Tobe Camp, Abbottabad 22060, Pakistan; (N.K.); (T.M.)
| | - Tariq Mahmood
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, University Road, Tobe Camp, Abbottabad 22060, Pakistan; (N.K.); (T.M.)
| | - Ali Raza Shah
- Department of Chemistry, Government College University, Faisalabad 38000, Punjab, Pakistan; (U.N.); (A.M.); (A.M.); (M.Z.); (A.R.S.)
| | - Syed Adnan Ali Shah
- Faculty of Pharmacy, Universiti Teknologi MARA Cawangan Selangor Kampus Puncak Alam, Bandar Puncak Alam 42300, Malaysia;
- Atta-ur-Rahman Institute for Natural Products Discovery (AuRIns), Universiti Teknologi MARA Cawangan Selangor Kampus Puncak Alam, Bandar Puncak Alam 42300, Malaysia
| | - Zainul Amiruddin Zakaria
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia
- Halal Institute Research Institute, Universiti Putra Malaysia, Serdang 43400, Malaysia
- Correspondence: (N.R.); (Z.A.Z.); Tel.: +92-332-749-1790 (N.R.); +603-8947-2111 (Z.A.Z.); Fax: +92-419-201-032 (N.R.); +603-8943-6178 (Z.A.Z.)
| | - Muhammad Nadeem Akhtar
- Faculty of Industrial Sciences & Technology, Universiti Malaysia Pahang, Lebuhraya Tun Razak, Gambang Kuantan 26300, Malaysia;
- Bio-Aromatic Research Center of Excellence, Faculty of Industrial Sciences & Technology, Universiti Malaysia Pahang, Lebuhraya Tun Razak, Gambang Kuantan 26300, Malaysia
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17
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Arshad N, Rafiq M, Ujan R, Saeed A, Farooqi SI, Perveen F, Channar PA, Ashraf S, Abbas Q, Ahmed A, Hokelek T, Kaur M, Jasinski JP. Synthesis, X-ray crystal structure elucidation and Hirshfeld surface analysis of N-((4-(1 H-benzo[ d]imidazole-2-yl)phenyl)carbamothioyl)benzamide: investigations for elastase inhibition, antioxidant and DNA binding potentials for biological applications. RSC Adv 2020; 10:20837-20851. [PMID: 35517754 PMCID: PMC9054313 DOI: 10.1039/d0ra02501a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 05/27/2020] [Indexed: 11/24/2022] Open
Abstract
The interest in the present study pertains to the development of a new compound based upon a benzimidazole thiourea moiety that has unique properties related to elastase inhibition, free radical scavenging activity and its DNA binding ability. The title compound, N-(4-(1H-benzo[d]imidazol-2-yl)phenyl)-3-benzoyl thiourea (C21H18N4O2SH2O:TUBC), was synthesized by reacting an acid chloride of benzoic acid with potassium thiocyanate (KSCN) along with the subsequent addition of 4-(1H-benzo[d]imidazol-2-yl)benzenamine via a one-pot three-step procedure. The structure of the resulting benzimidazole based thiourea was confirmed by spectroscopic techniques including FTIR, 1H-NMR, 13C-NMR and single crystal X-ray diffraction and further examined by Hirshfeld surface analysis. TUBC was also investigated by using both in silico methodology including molecular docking for elastase inhibition along with quantum chemical studies and in vitro experimental methodology utilizing elastase inhibition and free radical scavenging assay along with DNA binding experiments. Docking results confirmed that TUBC binding was within the active region of elastase. In comparison to the reference drug oleanolic acid, the low IC50 value of TUBC also indicated its high tendency towards elastase inhibition. TUBC scavenged 80% of DPPH˙ radicals which pointed towards its promising antioxidant activity. TUBC-DNA binding by DFT, docking, UV-visible spectroscopy and viscosity measurements revealed TUBC to be a potential drug candidate that binds spontaneously and reversibly with DNA via a mixed binding mode. All theoretical and experimental findings pointed to TUBC as a potential candidate for a variety of biological applications.
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Affiliation(s)
- Nasima Arshad
- Department of Chemistry, Allama Iqbal Open University Islamabad-44000 Pakistan
| | - Mamoona Rafiq
- Department of Chemistry, Women University of Azad Jammu and Kashmir Bagh Pakistan
| | - Rabail Ujan
- Dr. M. A. Kazi Institute of Chemistry, University of Sindh Jamshoro Pakistan
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University Islamabad 45320 Pakistan
| | - Shahid I Farooqi
- Department of Chemistry, Allama Iqbal Open University Islamabad-44000 Pakistan
| | - Fouzia Perveen
- Research Center for Modeling and Simulations, National University of Sciences and Technology (NUST) Islamabad Pakistan
| | | | - Saba Ashraf
- Sulaiman Bin Abdullah Aba Al-Khail-Centre for Interdisciplinary Research in Basic Science (SA-CIRBS), International Islamic University Sector H-10 Islamabad Pakistan
| | - Qamar Abbas
- Department of Physiology, University of Sindh Jamshoro 76080 Pakistan
| | - Ashfaq Ahmed
- Department of Chemistry, Women University of Azad Jammu and Kashmir Bagh Pakistan
| | - Tuncer Hokelek
- Department of Physics, Faculty of Engineering, Hacettepe University Beytepe-Ankara 06800 Turkey
| | - Manpreet Kaur
- Department of Chemistry, Keene State College 229 Main Street Keene NH 03435 USA
| | - Jerry P Jasinski
- Department of Chemistry, Keene State College 229 Main Street Keene NH 03435 USA
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18
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Hussain M, Arshad N, Ujan R, Saeed A, Channar PA, Perveen F, Larik FA, Farooqi SI, Hussain Z, Hökelek T, Kaur M, Jasinski JP. Synthesis, structure elucidation and surface analysis of a new single crystal N-((2-(benzo [4,5]imidazo [1,2-c]quinazolin-6-yl)phenyl)carbamothioyl)heptanamide: Theoretical and experimental DNA binding studies. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127496] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Arshad MN, Faidallah HM, Asiri AM, Kosar N, Mahmood T. Structural, spectroscopic and nonlinear optical properties of sulfonamide derivatives; experimental and theoretical study. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127393] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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20
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Naeem Ahmed M, Yasin KA, Aziz S, Khan SU, Tahir MN, Gil DM, Frontera A. Relevant π-hole tetrel bonding interactions in ethyl 2-triazolyl-2-oxoacetate derivatives: Hirshfeld surface analysis and DFT calculations. CrystEngComm 2020. [DOI: 10.1039/d0ce00335b] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
We report the synthesis and X-ray characterization of four triazole derivatives that include an α-ketoester functionality and two phenyl substituents. The compounds form self-assembled dimers in the solid state establishing two symmetrically equivalent O⋯π-hole interactions.
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Affiliation(s)
- Muhammad Naeem Ahmed
- Department of Chemistry
- The University of Azad Jammu and Kashmir
- Muzaffarabad
- 13100 Pakistan
| | - Khawaja Ansar Yasin
- Department of Chemistry
- The University of Azad Jammu and Kashmir
- Muzaffarabad
- 13100 Pakistan
| | - Shahid Aziz
- Department of Chemistry
- Mirpur University of Science and Technology (MUST) Mirpur-10250 (AJK)
- Pakistan
| | - Saba Urooge Khan
- Department of Polymer Engineering and Technology University of The Punjab Lahore
- Pakistan
| | | | - Diego Mauricio Gil
- INBIOFAL (CONICET – UNT)
- Instituto de Química Orgánica – Cátedra de Química Orgánica I
- Facultad de Bioquímica
- Química y Farmacia
- Universidad Nacional de Tucumán
| | - Antonio Frontera
- Department de Quimica
- Universitat de les Illes Balears
- 07122 Palma de Mallorca Baleares
- Spain
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21
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Synthesis, structural properties, DFT studies, antimicrobial activities and DNA binding interactions of two newly synthesized organotin(IV) carboxylates. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.04.066] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Altowyan MS, Barakat A, Al-Majid AM, Ghabbour HA, Zarrouk A, Warad I. Vibrational spectral analysis, XRD-structure, computation, exo⇔endo isomerization and non-linear optical crystal of 5-((5-chloro-1 H-indol-2-yl)methylene)-1,3-diethyl-2-thioxodihy-dropyrimidine-4,6 (1 H,5 H)-dione. BMC Chem 2019; 13:11. [PMID: 31384760 PMCID: PMC6661825 DOI: 10.1186/s13065-019-0524-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 01/16/2019] [Indexed: 11/25/2022] Open
Abstract
This work deals with the synthesis and characterization of the novel 5-((5-chloro-1H-indol-2-yl)methylene)-1,3-diethyl-2-thioxodihydro-pyrimidine-4,6(1H,5H)-dione π-bridge (D–A–D) donor–acceptor–donor compound. Its exo-isomer structure has been proven by XRD-single-crystal analysis for the first time. The IR, UV–Vis., MS, CHN-, 1H and 13C NMR analysis were also carried out. The DFT-optimized structural-parameters were matched with the XRD-crystallographic data. The experimental-XRD-interactions in the lattice were compared to the computed Hirshfeld analysis (HSA), MEP map and Mulliken charge population. The DFT/6-311G(d) calculations like IR/B3LYP, TD-SCF, HOMO–LUMO, GRD and GIAO-NMR have been compared to their corresponding experimental parameters. Non-linear optical (NLO) crystal theoretical-analysis was carried out then compared to urea reference. The compound thermal activity was evaluated in an open-atmosphere by TG/DTG analysis.![]()
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Affiliation(s)
- Mezna Saleh Altowyan
- 1Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Assem Barakat
- 2Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451 Saudi Arabia.,3Department of Chemistry, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, Alexandria, 21321 Egypt
| | - Abdullah Mohammed Al-Majid
- 2Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451 Saudi Arabia
| | - Hazem A Ghabbour
- 4Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451 Saudi Arabia.,5Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516 Egypt
| | - Abdelkader Zarrouk
- 6Laboratory of Materials, Nanotechnology and Environment, Faculty of Science, Mohammed V University, 4Av. IbnBattuta, B.P. 1014 Rabat, Morocco
| | - Ismail Warad
- 7Department of Chemistry, Science College, An-Najah National University, P.O. Box 7, Nablus, Palestine
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23
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Synthesis of low surface-energy polyepichlorohydrin triazoles thin film. J Colloid Interface Sci 2019; 539:481-489. [DOI: 10.1016/j.jcis.2018.12.102] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 12/23/2018] [Accepted: 12/28/2018] [Indexed: 11/24/2022]
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24
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Bais A, Ashraf Z, Tahir MN, Perveen F, abbas M, Ahmed I. Synthesis, single crystal X-ray structure and thermal analysis of a novel polycatenar liquid crystal: Theoretical and experimental approaches. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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25
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Khan SA, Shahid S, Kanwal S, Rizwan K, Mahmood T, Ayub K. Synthesis of novel metal complexes of 2-((phenyl (2-(4-sulfophenyl) hydrazono) methyl) diazenyl) benzoic acid formazan dyes: Characterization, antimicrobial and optical properties studies on leather. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.07.081] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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26
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Madni M, Ahmed MN, Hameed S, Ali Shah SW, Rashid U, Ayub K, Tahir M, Mahmood T. Synthesis, quantum chemical, in vitro acetyl cholinesterase inhibition and molecular docking studies of four new coumarin based pyrazolylthiazole nuclei. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.05.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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27
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Rizwan K, Zubair M, Rasool N, Mahmood T, Ayub K, Alitheen NB, Aziz MNM, Akhtar MN, Nasim FUH, Bukhary SM, Ahmad VU, Rani M. Palladium(0) catalyzed Suzuki cross-coupling reaction of 2,5-dibromo-3-methylthiophene: selectivity, characterization, DFT studies and their biological evaluations. Chem Cent J 2018; 12:49. [PMID: 29728881 PMCID: PMC5935605 DOI: 10.1186/s13065-018-0404-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 03/13/2018] [Indexed: 11/10/2022] Open
Abstract
Thiophene derivatives have shown versatile pharmacological activities. The Suzuki reaction proved a convenient method for C-C bond formations in organic molecules. In the present research work novel derivatives of 2,5-dibromo-3-methylthiophene (3a-k and 3l-p) has been synthesized, via Suzuki coupling reaction in low to moderate yields. A wide range of functional groups were well tolerated in reaction. Density functional theory investigations on all synthesized derivatives (3a-3p) were performed in order to explore the structural properties. The pharmaceutical potential of synthesized compounds was investigated through various bioassays (antioxidant, antibacterial, antiurease activities). The compounds 3l, 3g, 3j, showed excellent antioxidant activity (86.0, 82.0, 81.3%), respectively by scavenging DPPH. Synthesized compounds showed promising antibacterial activity against tested strains. 3b, 3k, 3a, 3d and 3j showed potential antiurease activity with 67.7, 64.2, 58.8, 54.7 and 52.1% inhibition at 50 µg/ml. Results indicated that synthesized molecules could be a potential source of pharmaceutical agents.
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Affiliation(s)
- Komal Rizwan
- Department of Chemistry, Government College University, Faisalabad, 38000, Pakistan.,Department of Chemistry, Government College Women University, Faisalabad, Pakistan
| | - Muhammad Zubair
- Department of Chemistry, Government College University, Faisalabad, 38000, Pakistan.
| | - Nasir Rasool
- Department of Chemistry, Government College University, Faisalabad, 38000, Pakistan.
| | - Tariq Mahmood
- Department of Chemistry, COMSATS Institute of Information Technology, University Road, Tobe Camp, Abbottabad, 22060, Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSATS Institute of Information Technology, University Road, Tobe Camp, Abbottabad, 22060, Pakistan
| | - Noorjahan Banu Alitheen
- Deparment of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Science, University Putra Malaysia, 43400, Serdang, Selangor Darul Ehsan, Malaysia.
| | - Muhammad Nazirul Mubin Aziz
- Deparment of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Science, University Putra Malaysia, 43400, Serdang, Selangor Darul Ehsan, Malaysia
| | - Muhammad Nadeem Akhtar
- Faculty of Industrial Sciences & Technology, University Malaysia Pahang, Lebuhraya Tun Razak, 26300, Kuantan, Pahang, Malaysia
| | - Faiz-Ul-Hassan Nasim
- Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63000, Pakistan
| | - Snober Mona Bukhary
- Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63000, Pakistan
| | - Viqar Uddin Ahmad
- HEJ Research Institute of Chemistry, International Centre for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Mubeen Rani
- HEJ Research Institute of Chemistry, International Centre for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
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29
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Synthesis, molecular structure, quantum mechanical studies and urease inhibition assay of two new isatin derived sulfonylhydrazides. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.11.065] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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30
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Solairaj D, Rameshthangam P, Muthukumaran P, Wilson J. Studies on electrochemical glucose sensing, antimicrobial activity and cytotoxicity of fabricated copper nanoparticle immobilized chitin nanostructure. Int J Biol Macromol 2017; 101:668-679. [PMID: 28363648 DOI: 10.1016/j.ijbiomac.2017.03.147] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 03/14/2017] [Accepted: 03/19/2017] [Indexed: 10/19/2022]
Abstract
In this study, copper nanoparticle immobilized chitin nanocomposite (CNP/CuNP) was synthesized and used for the development of non-enzymatic electrochemical sensor. The CNP/CuNP was characterized by X-ray diffraction (XRD), fourier transform infra red (FTIR) spectroscopy and high resolution transmission electron microscopy (HRTEM) analysis. The glucose sensing property of CNP/CuNP was investigated by cyclic voltammetry (CV) and chronoamperometry (CA). As a result of the synergistic effect of CNP and CuNP, the modified electrode displayed effective electro-oxidation of glucose in 0.1M NaOH solution. At 0.45V potential the modified electrode showed response towards glucose in the linear range of 1-1000μM with a lowest detection limit of 0.776μM with better selectivity and stability. In addition, the antimicrobial activity of CNP/CuNP was evaluated against bacterial and fungal strains. CNP/CuNP displayed enhanced antimicrobial activity when compared to CNP and CuNP alone. Similarly, cytotoxicity of CNP/CuNP was tested against Artemia salina, which showed no toxic effect in the tested concentration.
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Affiliation(s)
- Dhanasekaran Solairaj
- Department of Biotechnology, Science Campus, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Palanivel Rameshthangam
- Department of Biotechnology, Science Campus, Alagappa University, Karaikudi 630003, Tamil Nadu, India.
| | - Palanisamy Muthukumaran
- Department of Bioelectronics and Biosensors, Science Campus, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Jeyaraj Wilson
- Department of Bioelectronics and Biosensors, Science Campus, Alagappa University, Karaikudi 630003, Tamil Nadu, India
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Ahmed MN, Yasin KA, Hameed S, Ayub K, Haq IU, Tahir MN, Mahmood T. Synthesis, structural studies and biological activities of three new 2-(pentadecylthio)-5-aryl-1,3,4-oxadiazoles. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.09.057] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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32
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Efficient Synthesis of Novel Pyridine-Based Derivatives via Suzuki Cross-Coupling Reaction of Commercially Available 5-Bromo-2-methylpyridin-3-amine: Quantum Mechanical Investigations and Biological Activities. Molecules 2017; 22:molecules22020190. [PMID: 28134790 PMCID: PMC6155797 DOI: 10.3390/molecules22020190] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 12/21/2016] [Accepted: 01/06/2017] [Indexed: 11/17/2022] Open
Abstract
The present study describes palladium-catalyzed one pot Suzuki cross-coupling reaction to synthesize a series of novel pyridine derivatives 2a–2i, 4a–4i. In brief, Suzuki cross-coupling reaction of 5-bromo-2-methylpyridin-3-amine (1) directly or via N-[5-bromo-2-methylpyridine-3-yl]acetamide (3) with several arylboronic acids produced these novel pyridine derivatives in moderate to good yield. Density functional theory (DFT) studies were carried out for the pyridine derivatives 2a–2i and 4a–4i by using B3LYP/6-31G(d,p) basis with the help of GAUSSIAN 09 suite programme. The frontier molecular orbitals analysis, reactivity indices, molecular electrostatic potential and dipole measurements with the help of DFT methods, described the possible reaction pathways and potential candidates as chiral dopants for liquid crystals. The anti-thrombolytic, biofilm inhibition and haemolytic activities of pyridine derivatives were also investigated. In particular, the compound 4b exhibited the highest percentage lysis value (41.32%) against clot formation in human blood among all newly synthesized compounds. In addition, the compound 4f was found to be the most potent against Escherichia coli with an inhibition value of 91.95%. The rest of the pyridine derivatives displayed moderate biological activities.
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33
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Behalo MS, Amine MS, Fouda IM. Regioselective synthesis, antitumor and antioxidant activities of some 1,2,4-triazole derivatives based on 4-phenyl-5-(quinolin-8-yloxy)methyl-4H-1,2,4-triazole-3-thiol. PHOSPHORUS SULFUR 2017. [DOI: 10.1080/10426507.2016.1247087] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- M. S. Behalo
- Chemistry Department, Faculty of Science, Benha University, Benha, Egypt
| | - M. S. Amine
- Chemistry Department, Faculty of Science, Benha University, Benha, Egypt
| | - I. M. Fouda
- Chemistry Department, Faculty of Science, Benha University, Benha, Egypt
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34
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Phenolic content, anti-oxidant, anti-plasmodium and cytotoxic properties of the sponge Acanthella cavernosa. ASIAN PACIFIC JOURNAL OF TROPICAL DISEASE 2016. [DOI: 10.1016/s2222-1808(16)61136-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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35
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One Pot Selective Arylation of 2-Bromo-5-Chloro Thiophene; Molecular Structure Investigation via Density Functional Theory (DFT), X-ray Analysis, and Their Biological Activities. Int J Mol Sci 2016; 17:ijms17070912. [PMID: 27367666 PMCID: PMC4964363 DOI: 10.3390/ijms17070912] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 05/13/2016] [Indexed: 11/23/2022] Open
Abstract
Synthesis of 2,5-bisarylthiophenes was accomplished by sequential Suzuki cross coupling reaction of 2-bromo-5-chloro thiophenes. Density functional theory (DFT) studies were carried out at the B3LYP/6-31G(d, p) level of theory to compare the geometric parameters of 2,5-bisarylthiophenes with those from X-ray diffraction results. The synthesized compounds are screened for in vitro bacteria scavenging abilities. At the concentration of 50 and 100 μg/mL, compounds 2b, 2c, 2d, 3c, and 3f with IC50-values of 51.4, 52.10, 58.0, 56.2, and 56.5 μg/mL respectively, were found most potent against E. coli. Among all the synthesized compounds 2a, 2d, 3c, and 3e with the least values of IC50 77, 76.26, 79.13 μg/mL respectively showed significant antioxidant activities. Almost all of the compounds showed good antibacterial activity against Escherichia coli, whereas 2-chloro-5-(4-methoxyphenyl) thiophene (2b) was found most active among all synthesized compound with an IC50 value of 51.4 μg/mL. All of the synthesized compounds were screened for nitric oxide scavenging activity as well. Frontier molecular orbitals (FMOs) and molecular electrostatic potentials of the target compounds were also studied theoretically to account for their relative reactivity
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