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Artykuły w czasopismach na temat „Imidazole xrd analysis”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Rayati, Saeed, Parinaz Nafarieh, and Mostafa M. Amini. "The synthesis, characterization and catalytic application of manganese porphyrins bonded to novel modified SBA-15." New Journal of Chemistry 42, no. 8 (2018): 6464–71. http://dx.doi.org/10.1039/c8nj00743h.

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In the presented research, a highly ordered mesoporous silica material (SBA-15) was functionalized with imidazole as a functionalizing reagent (SBA-TMSIm) and then characterized via FT-IR spectroscopy, thermogravimetric analysis (TGA), powder X-ray diffraction (XRD) and nitrogen adsorption/desorption isotherms.

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2

Netskina, Olga V., Svetlana A. Mukha, Kirill A. Dmitruk, et al. "Solvent-Free Method for Nanoparticles Synthesis by Solid-State Combustion Using Tetra(Imidazole)Copper(II) Nitrate." Inorganics 10, no. 2 (2022): 15. http://dx.doi.org/10.3390/inorganics10020015.

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The development of solvent-free techniques for nanoparticles synthesis is one of the challenges of Green chemistry. In this work, the principled opportunity to obtain copper-containing nanosized particles without use of any solvents was shown. The copper complexes were prepared as precursors by the melting-assisted solvent-free synthesis. The formation of tetra(imidazole)copper(II) nitrate complex was confirmed by XRD, elemental analysis, FTIR spectroscopy, and thermal analysis. It was noted that their thermal decomposition occurs in two stages: (I) the low-temperature step may be related to r

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3

Kamal Rashid Hsejan Al- Jorani. "Preparation and characterization of the Br-HPI complex of Fe(III) and their applications for dye solar cell by synthesized α-Fe2O3 nanoparticles in a novel method". Journal of Wasit for Science and Medicine 10, № 1 (2023): 119–26. http://dx.doi.org/10.31185/jwsm.414.

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The derivative of five member heterocyclic ligand containing imidazole rings 4-bromo-2-(4,5-diphenyl-1H-imidazol-2-yl) phenol [Br-HPI] and their complex with Fe(III) are reported. This ligand was characterized by elemental analysis, FT-IR and 1H NMR spectroscopy. The solid complex was characterized by IR spectra, molar conductivity and magnetic moment. The results suggest that the metal is bonded to the ligand through the phenolic oxygen and the pyridine nitrogen forming chelates with (1:2) (metal: ligand) stoichiometry, and the octahedral geometry for the complex. The complex has photolysis b

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4

Hidayati, Luthfiana Nurul, Fauzan Aulia, Sebastian Ulido Napitupulu, Gede Widia Pratama Adhyaksa, and Deliana Dahnum. "Synthesize and Characterization of Pt-supported Co-ZIF for Catalytic Hydrocracking and Hydroisomerization of n-Hexadecane." Bulletin of Chemical Reaction Engineering & Catalysis 19, no. 1 (2024): 171–80. http://dx.doi.org/10.9767/bcrec.20117.

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Zeolitic Imidazole Frameworks (ZIFs) are prospective porous materials as catalyst support due to their relatively large surface area, and tunability in size, structure, and porosity. Recent studies have also shown that ZIF is the best candidate for various catalytic redox reactions such as the oxidation of benzyl aromatic hydrocarbons. In this study, the synthesized Pt catalyst supported on Co-ZIF was varied by the organic ligands: imidazole, benzimidazole, and 1-(3-aminopropyl) imidazole, then followed by impregnation of Pt precursor. The catalysts were characterized its physical and chemical

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5

Fan, Chuan-Bin, Xiang-Min Meng, Yu-Hua Fan, Zi-Ao Zong, Xiao-Yin Zhang, and Cai-Feng Bi. "Two 3D ZnII Metal–Organic Frameworks with 3- and 8-Fold Interpenetration: Syntheses, Structures, Photodegradation, and Photoluminescent Properties." Australian Journal of Chemistry 70, no. 3 (2017): 314. http://dx.doi.org/10.1071/ch16368.

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Two novel coordination polymers, namely {[Zn(sbdc)(bmib)]·0.4H2O}n (1) and {[Zn(sbdc)(bibd)]·DMF}n (2) (H2sbdc = 4,4′-stilbenedicarboxylic, bmib = 1,4-bis(2-methylimidazol-1-yl)butane, bibd = 1,1′-(1,4-butanediyl)bis(imidazole), DMF = N,N-dimethylformamide), have been acquired under solvothermal conditions, and have been characterised by elemental analysis, infrared spectra, thermogravimetric analysis, and single-crystal X-ray diffraction (XRD). Single-crystal XRD analysis reveals that 1 shows eight-fold interpenetrating 3D frameworks with a four-connected (66) sqc6 topology and 2 displays fou

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6

Haq, Fazal, Haojie Yu, Li Wang, et al. "Synthesis of carboxymethyl starch grafted polyvinyl imidazole (CMS-g-PVIs) and their role as an absorbent for the removal of phenol." Environmental Engineering Research 26, no. 5 (2020): 200327–0. http://dx.doi.org/10.4491/eer.2020.327.

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Cigarette industry plays an important role in the economy of the advanced countries. But the cigarette smoke contains toxic chemicals such as phenol which causes various kind of diseases and affect human life. In this paper, we synthesized carboxymethyl starch grafted poly vinyl imidazole (CMS-g-PVIs) by reacting carboxymehtyl starch (CMS) with vinyl imidazole (VI). The structures of the CMS-g-PVIs were investigated by <sup>1</sup>H NMR and FT-IR. The crystalline properties of the CMS and CMS-g-PVIs were checked by XRD. The thermal properties of the original CMS and CMS-g-PVIs were

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7

Panova, Mariya A., Konstantin V. Shcherbakov, Ekaterina F. Zhilina, Yanina V. Burgart, and Victor I. Saloutin. "Synthesis of Mono- and Polyazole Hybrids Based on Polyfluoroflavones." Molecules 28, no. 2 (2023): 869. http://dx.doi.org/10.3390/molecules28020869.

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The possibility of functionalization of 2-(polyfluorophenyl)-4H-chromen-4-ones, with them having different numbers of fluorine atoms, with 1,2,4-triazole or imidazole under conditions of base-promoted nucleophilic aromatic substitution has been shown. A high selectivity of mono-substitution was found with the use of an azole (1.5 equiv.)/NaOBut(1.5 equiv.)/MeCN system. The structural features of fluorinated mono(azolyl)-substituted flavones in crystals were established using XRD analysis. The ability of penta- and tetrafluoroflavones to form persubstituted products with triazole under azole (6

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8

Volkov, Mikhail Alexandrovich, Anton Petrovich Novikov, Mikhail Semenovich Grigoriev, Alexander Mikhailovich Fedoseev, and Konstantin Eduardovich German. "Novel Synthesis Methods of New Imidazole-Containing Coordination Compounds Tc(IV, V, VII)—Reaction Mechanism, Xrd and Hirshfeld Surface Analysis." International Journal of Molecular Sciences 23, no. 16 (2022): 9461. http://dx.doi.org/10.3390/ijms23169461.

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In this work, we have proposed two new methods for the synthesis of [TcO2L4]+ (where L = imidazole (Im), methylimidazole (MeIm)) complexes using thiourea (Tu) and Sn(II) as the reducing agents. The main and by-products of the reactions were determined, and possible reaction mechanisms were proposed. We have shown that the reduction of Tc(VII) with thiourea is accompanied by the formation of the Tc(III) intermediate and further oxidation to Tc(V). The reaction conditions’ changing can lead to the formation of Tc(VII) and Tc(IV) salts. Seven new crystal structures are described in this work: Tc(

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9

Thakur, Ashim, Raju Borah, Prasanta Raul, Abhijit Mahanta, Andrey Shchukarev, and Jyri-Pekka Mikkola. "Copper Oxide Nanoparticles as a Mild and Efficient Catalyst for N-Arylation of Imidazole and Aniline with Boronic Acids at Room Temperature." Synlett 28, no. 10 (2017): 1177–82. http://dx.doi.org/10.1055/s-0036-1588741.

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The present work describes the excellent catalytic activity of copper(II) oxide nanoparticles (NPs) towards N-arylation of aniline and imidazole at room temperature. The copper(II)oxide NPs were synthesized by a thermal refluxing technique and characterized by FT-IR spectroscopy; powder XRD, SEM, EDX, TEM, TGA, XPS, BET surface area analysis, and particle size analysis. The size of the NPs was found to be around 12 nm having a surface area of 164.180 m2 g–1.The catalytic system was also found to be recyclable and could be reused in subsequent catalytic runs without a significant loss of activi

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10

Saheli, Ganguly, Dana Kausik, K. Mukhopadhyay T., K. Parya T., and Ghatak Sankar. "Characterization of 1 ,3-dialkyl imidazolium intercalated montmorillonites." Journal of Indian Chemical Society Vol. 88, Nov 2011 (2011): 1715–20. https://doi.org/10.5281/zenodo.5791754.

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Advanced Clay and Traditional Ceramics Division, Central Glass and Ceramic Research Institute, CSIR, Kolkata-700 032, India <em>E-mail</em> : sghatak@cgcri.res.in Fax : 91-33-24730957 Department of Chemical Technology, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>Manuscript received 29 December 2010. accepted 13 April 2011</em> Na-Montmorillonile (Na-MMT) was intercalated with two series of dialkyl imidazolium salts. The series were selected by varying the alkyl substitutions at I and 3 positions of imidazole ring viz. 1-alkyl 3-methyl imidazolium salts

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11

Fajri, Rahmatul, Fira Asfahani, Yulida Amri, and Jofrishal Jofrishal. "REMOVAL OF Cd2+ IN WASTEWATER USING ZEOLITIC IMIDAZOLATE FRAMEWORK-8 (ZIF-8) AS SYNTHESIS ADSORBENT." Lantanida Journal 11, no. 1 (2023): 12. http://dx.doi.org/10.22373/lj.v11i1.17831.

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Zeolitic Imidazole Framework-8 (ZIF-8) has been synthesized by dissolving Zn(NO3)2.4H2O and 2-MeIM into a methanol solvent and solvothermal method. The synthesized ZIF-8 will be applied as a cadmium (Cd) adsorbent in Polluted water. Several characterization methods were conducted, including XRD, FTIR, and AAS. The XRD analysis shows that the prominent characteristic peaks of ZIF-8 at an angle of 2θ = 7,25o; 10,26o; 12,57o; 16,22o; and 17,86o. At the same time, the FTIR analysis showed the presence of functional groups of Zn-N, C-N, C=N, C=C, and C-H on aromatic 2-Methyl Immidazole as an indica

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12

Dunya, Y. Fnfoon, and J. Al-Adilee Khalid. "Synthesis and Spectral Characterization of New Azo Imidazole Ligand 2-[ 2' - (4 - Chloro Phenyl)azo [- 1 - Methyl Imidazole and its Complexes with Ag(I) and Ni(II) ions." Pak. J. Anal. Environ. Chem 23, Special Issue (2023): 207–21. https://doi.org/10.5281/zenodo.7850290.

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   A new azo dye ligand 2-] 2' - (4 - Chloro Phenyl)azo [- 4 - Methyl imidazole (ClPA4-MeI) was prepared by reacting a diazonium chloride salt solution of 2-amino -4- chlorophenol and coupled with 4-methyl imidazole in an alkaline ethanolic solution. The newly synthesized ligand (ClPA4-MeI) was used to form complexes with metal ions like Ag(I) and Ni (II). Elemental analysis (C.H.N), Mass spectrum, FT-IR, UV–Vis, XRD, SEM, and magnetic measurements have all been employed to investigate the structures of the azo dye ligand (ClPA4-MeI) and chelate complexes. Except for Ag(I)-

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13

Nikovskii, I. A., K. M. Karnaukh, T. M. Aliev, et al. "Template Synthesis of the Trinuclear Cobalt(III) Complex with Diarylimidazole-Based Ligands: Synthesis and Properties." Координационная химия 49, no. 6 (2023): 360–66. http://dx.doi.org/10.31857/s0132344x23700238.

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The trinuclear cobalt(III) complex [(Bipy)5Co3(L)2](Cl)3 (I) is synthesized by the template reaction of 2,2'-(1H-imidazole-4,5-diyl)bis(4-ethylphenol) (L) and bis(2,2-bipyridine)cobalt(II) dichloride in the presence of diazabicycloundecene. The complex is isolated in the individual state and characterized by elemental analysis, cyclic voltammetry, UV-VIS spectroscopy, and X-ray diffraction (XRD) (CIF file СCDC no. 2201135). According to the obtained data, the cobalt ions in trinuclear complex I have the oxidation state +3, and the complex formation occurs with the oxidation of the initial coba

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14

Ghasemzadeh, Mohammad A., Mohammad H. Abdollahi-Basir, and Zahra Elyasi. "Synthesis of some Novel Imidazoles Catalyzed by Co3O4 Nanoparticles and Evaluation of their Antibacterial Activities." Combinatorial Chemistry & High Throughput Screening 21, no. 4 (2018): 271–80. http://dx.doi.org/10.2174/1386207321666180330164942.

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Aim and Objective: The multi-component condensation of benzil, primary amines, ammonium acetate and various aldehydes was efficiently catalyzed using cobalt oxide nanoparticles under ultrasonic irradiation. This approach describes an effective and facile method for the synthesis of some novel 1,2,4,5-tetrasubstituted imidazole derivatives with several advantages such as high yields and short reaction times and reusability of the catalyst. Moreover, the prepared heterocyclic compounds showed high antibacterial activity against some pathogenic strains. Materials and Method: The facile and effici

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15

Netskina, Olga V., Dmitry A. Sukhorukov, Kirill A. Dmitruk, et al. "Cobalt–Imidazole Complexes: Effect of Anion Nature on Thermochemical Properties." Materials 17, no. 12 (2024): 2911. http://dx.doi.org/10.3390/ma17122911.

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A solvent-free method was proposed for the synthesis of hexaimidazolecobalt(II) nitrate and perchlorate complexes—[Co(C3H4N2)6](NO3)2 and [Co(C3H4N2)6](ClO4)2—by adding cobalt salts to melted imidazole. The composition, charge state of the metal, and the structure of the resulting complexes were confirmed by elemental analysis, XPS, IR spectroscopy, and XRD. The study of the thermochemical properties of the synthesized complexes showed that [Co(C3H4N2)6](NO3)2 and [Co(C3H4N2)6](ClO4)2 are thermally stable up to 150 and 170 °C, respectively. When the critical temperature of thermal decompositio

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16

SENAPATI, Deepak, Anulipsa PRIYADARSHINI, Debadutta SAMAL, et al. "Mechanochemical synthesis of Ni(II)-tptz complexes with co-ligands: Spectroscopy, DFT, and biological studies." Journal of Metals, Materials and Minerals 35, no. 2 (2025): e2324. https://doi.org/10.55713/jmmm.v35i2.2324.

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New mixed-ligand Ni(II) complexes [Ni(tptz)(1,10-phen)] (1), [Ni(tptz)(2-Mimd)2] (2), and [Ni(tptz)Imd)2] (3) were synthesized via a green, solvent-free mechanochemical approach using ball milling. The primary ligand used was 2,4,6-tris(2-pyridyl)-1,3,5-triazine (tptz), with secondary ligands being 1,10-phenanthroline, 2-methyl imidazole, and imidazole, respectively. Structural characterization by IR, UV-Visible, photoluminescence spectroscopy, and powder X-ray diffraction, supported by DFT calculations, revealed a distorted square planar geometry for complex 1 and distorted tetrahedral geomet

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17

Regupathy, S., and Pradeep Singh C. Sachin. "Carbon capture analysis on ternary complexes containing an aminopenicillin drug and imidazole derivatives." i-manager's Journal on Chemical Sciences 5, no. 1 (2025): 1. https://doi.org/10.26634/jchem.5.1.21928.

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The continuous release of carbon dioxide into the atmosphere will definitely cause damage to the environment. Environmental protection and reducing global warming are becoming very essential. The concentration of carbon dioxide in the atmosphere is due to the continuous burning of fossil fuels to attain the energy requirements. A novel method of adsorbing the most important greenhouse gas, carbon dioxide, using some ternary complex materials capable of adsorbing the gases effectively was studied. A ternary complex system with Zn (II) metal ion chelated with ampicillin (A) as the primary ligand

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18

Bagwan, S. M., and Mohamad Asif. "An Efficient and One Pot Synthesis of 2,4,5-Trisubstituted Imidazole Derivatives Catalyzed by Silver Nanoparticles." Asian Journal of Chemistry 34, no. 4 (2022): 889–93. http://dx.doi.org/10.14233/ajchem.2022.23589.

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Silver nanoparticles (AgNPs) have been used as an excellent and highly efficient catalyst for one pot synthesis of 2,4,5-trisubstituted imidazole derivatives in presence of ethanol as a solvent. This synthetic route involves multicomponent reaction of benzil, substituted aromatic aldehydes and ammonium acetate under reflux. The synthesized silver nanoparticles were characterized by UV-visible spectroscopy (UV-visible), X-ray diffraction (XRD) pattern, scanning electronic microscope (SEM) analysis. The process was simple and environmentally benign with high to excellent yield. The methods provi

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19

Nazarski, Ryszard B., and Małgorzata Domagała. "Unexpected Formation of 6-(1H-Benzo[d]imidazol-2-yl)-1-phenyl-hexan-1-one and Its Structure in Solution and Solid State Analyzed in the Context of Tautomerism." Crystals 14, no. 8 (2024): 704. http://dx.doi.org/10.3390/cryst14080704.

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The structure of the title compound (4d), unexpectedly obtained in the reaction between o-phenylenediamine and 2-benzoylcyclohexanone instead of the target 3H-benzo[b][1,4]diazepine derivative 3d, was determined spectroscopically in solution and by a single-crystal X-ray diffraction (XRD) study. It involves two enantiomeric rotamers, called forms D and U, of which the structure was elucidated based on NMR spectra measured and predicted in DFT-GIAO calculations. An averaging of δCs for all tautomeric positions in the benzimidazole part of the 4d hydrate studied in wet (probably slightly acidic)

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20

Ahmad, Muhammad Saeed, Muhammad Khalid, Muhammad Ashraf Shaheen, et al. "Synthesis and XRD, FT-IR vibrational, UV–vis, and nonlinear optical exploration of novel tetra substituted imidazole derivatives: A synergistic experimental-computational analysis." Journal of Physics and Chemistry of Solids 115 (April 2018): 265–76. http://dx.doi.org/10.1016/j.jpcs.2017.12.054.

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21

Yadav, Hemraj M., Jong Deok Park, Hyeong Cheol Kang, Jeonghun Kim, and Jae-Joon Lee. "Cellulose Nanofiber Composite with Bimetallic Zeolite Imidazole Framework for Electrochemical Supercapacitors." Nanomaterials 11, no. 2 (2021): 395. http://dx.doi.org/10.3390/nano11020395.

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Cellulose nanofiber (CNF) and hybrid zeolite imidazole framework (HZ) are an emerging biomaterial and a porous carbonous material, respectively. The composite of these two materials could have versatile physiochemical characteristics. A cellulose nanofiber and cobalt-containing zeolite framework-based composite was prepared using an in-situ and eco-friendly chemical method followed by pyrolysis. The composite was comprised of cobalt nanoparticles decorated on highly graphitized N-doped nanoporous carbons (NPC) wrapped with carbon nanotubes (CNTs) produced from the direct carbonization of HZ. B

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22

Dubey, D., S. K. Bajpai, and M. Bajpai. "Synthesis and Characterization of Carboxymethyl Cellulose/Poly(Acrylamide-co-Vinyl Imidazole) Based Self-healing and pH-sensitive Hydrogel (Part-I)." Journal of Scientific Research 16, no. 3 (2024): 803–15. http://dx.doi.org/10.3329/jsr.v16i3.69941.

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In the present work, monomers acrylamide (AAm) and vinyl imidazole (VI) were co-polymerized in the presence of carboxymethyl cellulose (CMC) to yield a totally un-crosslinked solid hydrogel electrolyte (SHE) with fair self-healing property. The SHE was characterized by FTIR, XRD, SEM, and TGA analysis. The surface texture, as revealed by SEM analysis, was observed to be fairly smooth. The hydrogel electrolyte exhibited pH-dependent swelling behavior with percent equilibrium swelling (PES) of 5170, 1892, and 5163 in the swelling media of pH 1.0, 6.8, and 13.0, respectively. In addition, the kin

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23

Quang Khieu, Dinh, Mai Thi Thanh, Tran Vinh Thien, et al. "Synthesis and Voltammetric Determination of Pb(II) Using a ZIF-8-Based Electrode." Journal of Chemistry 2018 (2018): 1–12. http://dx.doi.org/10.1155/2018/5395106.

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Zeolite imidazole framework-8 (ZIF-8) was prepared by the hydrothermal process. The obtained ZIF-8 was a characteristic of X-ray-diffraction (XRD), transmission electron microscope (TEM), thermal gravity-differential thermal analysis (TG-DTA), and dynamic light scattering (DLS). The obtained ZIF-8 possessed large specific area and was highly dispersed. Its morphology consisted of nanospherical particles with 30–50 nm in diameter. Chemical stability of ZIF-8 in different conditions was studied. The ZIF-8 was used as an electrode modifier for the determination of trace levels of lead. The parame

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24

Gaikwad, Sanjit, Ravi Kumar Cheedarala, Ranjit Gaikwad, Soonho Kim, and Sangil Han. "Controllable Synthesis of 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) Benzene-Based MOFs." Applied Sciences 11, no. 21 (2021): 9856. http://dx.doi.org/10.3390/app11219856.

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The growing interest in metal–organic frameworks (MOFs) in both industrial and scientific circles has increased in the last twenty years, owing to their crystallinity, structural versatility, and controlled porosity. In this study, we present three novel MOFs obtained from the 1, 3, 5-tris (1H-benzo[d]imidazole-2-yl) benzene (TIBM) organic linker. The formed TIBM crystal powders were characterized by scanning electron microscopy (SEM) to estimate the morphology of the particles, powder X-ray diffraction (XRD) to confirm the crystal structure, Brunauer–Emmett–Teller (BET) method for structural

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25

Habila, Mohamed A., Zeid A. ALOthman, Mohamed Sheikh, and Saleh O. Alaswad. "Fabrication of Spiny-like Spherical Copper Metal–Organic Frameworks for the Microextraction of Arsenic(III) from Water and Food Samples before ICP-MS Detection." Applied Sciences 13, no. 18 (2023): 10036. http://dx.doi.org/10.3390/app131810036.

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Spiny-like spherical copper metal–organic frameworks (SSC-MOFs) were prepared and characterized via SEM, TEM, EDS, XRD, FTIR and the BET surface area. The fabricated SSC-MOFs were applied to develop a procedure for the microextraction of trace arsenic(III) for preconcentration. The results show that a copper- and imidazole-derived metal–organic framework was formed in a sphere with a spiny surface and a surface area of 120.7 m2/g. The TEM confirmed the perforated network structures of the SSC-MOFs, which were prepared at room temperature. The surface functional groups were found to contain NH

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Alshook, Noor Abbas, Haitham Dalol Hanoon, and Hayder Hamied Mihsen. "Development of a Silica-Organic Framework Ionic Solid Bronsted Acid Catalyst for the Synthesis of 2,4,5-trisubstituted Imidazole Derivatives." Journal of the Turkish Chemical Society Section A: Chemistry 12, no. 1 (2025): 1–14. https://doi.org/10.18596/jotcsa.1515088.

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Heterogeneous Bronsted acid is one of the most promising compounds that can be used as a catalyst in chemical production, and that can certainly have a positive impact on the environment. This research includes the preparation of heterogeneous Bronsted acid by using rice hulls as a starting material. The prepared acid was characterized by FTIR, XRD, TGA, SEM-EDX, TEM, and elemental analysis. The FTIR results showed the presence of N-H and S=O absorption bands within the expected range in prepared Bronsted acid. The specific surface area of the catalyst determined by Brunauer-Emmett-Teller (BET

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Netskina, Olga V., Kirill A. Dmitruk, Alexander A. Paletsky, et al. "Solvent-Free Synthesis of Nickel Nanoparticles as Catalysts for CO2 Hydrogenation to Methane." Catalysts 12, no. 10 (2022): 1274. http://dx.doi.org/10.3390/catal12101274.

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The solid-state combustion method was used to prepare nickel-based catalysts for CO2 hydrogenation from [Ni(C3H4N2)6](NO3)2 and [Ni(C3H4N2)6](ClO4)2. These complexes were synthesized by adding nickel nitrate and perchlorate to melted imidazole. The composition and structure of the obtained complexes was confirmed by ATR FTIR, powder XRD, and elemental analysis. The stages of thermal decomposition of the complexes and their kinetic parameters were established. It was found that incomplete gasification of more thermostable Ni(C3H4N2)6](ClO4)2 led to the formation of carbon, nitrogen, and chlorin

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Koroteev, Pavel S., Andrey B. Ilyukhin, Andrey V. Gavrikov, Konstantin A. Babeshkin, and Nikolay N. Efimov. "Mononuclear Transition Metal Cymantrenecarboxylates as Precursors for Spinel-Type Manganites." Molecules 27, no. 3 (2022): 1082. http://dx.doi.org/10.3390/molecules27031082.

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Novel mononuclear cymantrenecarboxylate complexes of transition metals, [Co(H2O)6](CymCO2)2·4H2O (Cym = (η5-C5H4)Mn(CO)3) (1), [Ni(H2O)6](CymCO2)2·4H2O (2), [Zn(H2O)6](CymCO2)2·4H2O (3), [Co(CymCO2)2(imz)2] (imz = imidazole, 4), [Co(CymCO2)2(bpy)2]·2PhMe (bpy = 2,2′-bipyridyl, 5), [Ni(CymCO2)(bpy)2(H2O)][CymCO2]·0.5MePh·2H2O (6), [Cu(CymCO2)2(imz)2] (7), and [Cu(CymCO2)2(bpy)(H2O)] (8), were obtained and characterized by single-crystal X-ray analysis. Complexes 1–3 are isostructural. Magnetism of the Co complexes 1, 4, and 5 was studied; it was shown that they exhibit the properties of field-i

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Kuwer, Pushpmala, Anshul Yadav, and Pawan Kumar Labhasetwar. "Adsorption of cupric, cadmium and cobalt ions from the aqueous stream using the composite of iron(II,III) oxide and zeolitic imidazole framework-8." Water Science and Technology 84, no. 9 (2021): 2288–303. http://dx.doi.org/10.2166/wst.2021.452.

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Abstract In recent research, the composite of Fe3O4 and metal-organic frameworks have shown great potential in removing potentially toxic metals from water. We conducted the adsorption studies of potentially toxic metal ions (Cu2+, Co2+ and Cd2+) using the composite of Fe3O4 and zeolitic imidazole framework-8 (Fe3O4@ZIF-8) for the first time. The solvothermal technique was used to synthesize the Fe3O4. The magnetic ZIF-8 offers high thermal stability, greater adsorption surface, good removability, and high chemical and thermal stability. Characterization techniques such as X-ray diffraction (X

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Guo, Liying, Xianchao Jin, Xin Wang, Longzhu Yin, Yirong Wang, and Ying-Wei Yang. "Immobilizing Polyether Imidazole Ionic Liquids on ZSM-5 Zeolite for the Catalytic Synthesis of Propylene Carbonate from Carbon Dioxide." Molecules 23, no. 10 (2018): 2710. http://dx.doi.org/10.3390/molecules23102710.

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Traditional ionic liquids (ILs) catalysts suffer from the difficulty of product purification and can only be used in homogeneous catalytic systems. In this work, by reacting ILs with co-catalyst (ZnBr2), we successfully converted three polyether imidazole ionic liquids (PIILs), i.e., HO-[Poly-epichlorohydrin-methimidazole]Cl (HO-[PECH-MIM]Cl), HOOC-[Poly-epichlorohydrin-methimidazole]Cl (HOOC-[PECH-MIM]Cl), and H2N-[Poly-epichlorohydrin-methimidazole]Cl (H2N-[PECH-MIM]Cl), to three composite PIIL materials, which were further immobilized on ZSM-5 zeolite by chemical bonding to result in three

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Mafud, Ana, and Yvonne Mascarenhas. "Structural analysis of new ligands against Schistosoma mansoni." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C972. http://dx.doi.org/10.1107/s2053273314090275.

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Natural compounds have been an alternative to treat several diseases. In this sense, epiisopiloturine (EPI) [1] is an alkaloid found in Pilocarpus microphyllus (Rutaceae) leaves, with anthelmintic activity in vitro [2] and in vivo (To be publish). Unfortunately, EPI is slightly soluble in water. To solve this question, complexes and new derivatives were synthetized. Here, we present a x-ray structural analysis of the compounds: EPICu (CCDC 947608), C64H42N8O23Cl2Cu, P21, and EPIZn (CCDC 959718) C32H36N4O6Cl2Zn, P212121, both complexes with anthelmintic activity; EpiiHCl (CCDC 945616), C16H18N2

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Yunnikova, Lidiya P., Yuliya E. Likhareva, and Svetlana Yu Balandina. "N-TROPYLATION OF ARYLAMINES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 62, no. 2 (2019): 79–84. http://dx.doi.org/10.6060/ivkkt.20196202.5751.

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An efficient method for introduction of biogenic tropylium cycle into aromatic amines molecules is offered. Introduction is carried out in the presence of imidazole as a strong base. Interaction between tropylium salts (tetrafluoroborate or perchlorate) and aromatic amines with either nitro- or acetyl groups (meta-nitroaniline, para-nitroaniline, 2-methyl-4-nitroaniline and para-acetylaniline) as electron-acceptor substituents in the benzol ring results in stable products resulting from substitution of the hydrogen atom in the amino group of aromatic amines, namely: 4-nitro-N-(1'-cyclohepta-2'

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S. K., Shakshooki, El-Akari F. A., Suheila E. Kara та Ellafi M. K. "γ-Zirconium Titanium-Phosphates – Fibrous Cerium Phosphate / Polyaniline, Polyindole, Polycarbazole and Polyimidazole Nanocomposite Membranes". Academic Journal of Chemistry, № 72 (1 червня 2022): 30–41. http://dx.doi.org/10.32861/ajc.72.30.41.

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Layered nanosized mixed γ-zirconium titanium phosphates and fibrous cerium phosphate, γ-ZrxTi(1-x)..PO4.H2PO4.2H2O (γ-ZTP), Ce(HPO4)2.2.9H2O(nCePf), respectively, (x= 0.95, 0.89), and their [γ-ZrxTi(1-x).PO4. H2PO4]0.3 [Ce(HPO4)2]0.70. 2H2O nanocomposite membranes were prepared and characterized by chemical, x-ray diffraction (XRD), thermogravimetric analysis (TGA) and Fourier transform spectroscopy (FT-IR). Novel [γ-ZrxTi(1-x).PO4.H2PO4]0.3[Ce(HPO4)2]0.70 /polyaniline, polyindole, polycarbazole, and polyimidazole nanocomposite membranes were prepared via in-situ chemical oxidation of the mono

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Sangeetha., K.R. "STUDIES ON THE INTERACTION OF HYDRAZINE AND ASPARTIC ACID TOWARDS SOME TRANSITION METALS AND THEIR BIOLOGICAL ACTIVITIES." International Journal of Education &Applied Sciences Research 3, no. 7 (2016): 25–36. https://doi.org/10.5281/zenodo.10700175.

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<strong>Abstract </strong> <strong>Objective -</strong> <em>Literature survey indicates that hydrazine the simplest diamine, is known to form fairly stable complexes with mineral and carboxylic acids. Among the different substituted dicarboxylic acids, the potential tridentate α-amino dicarboxylic acid such as aspartic acid has been found to exhibit a strong interaction towards metal ions. Though the interaction of aspartic acid with aromatic amines, imidazole, bipyridine and phenanthroline towards various metals has been well studied, the studies with simple diamine, hydrazine with the

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Masibi, Elizabeth Gaobodiwe, Thollwana Andretta Makhetha, and Richard Motlhaletsi Moutloali. "Effect of the Incorporation of ZIF-8@GO into the Thin-Film Membrane on Salt Rejection and BSA Fouling." Membranes 12, no. 4 (2022): 436. http://dx.doi.org/10.3390/membranes12040436.

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A series of Zeolitic imidazole framework-8 (ZIF-8) clusters supported on graphene oxide (ZIF-8@GO) nanocomposites were prepared by varying the ratios of ZIF-8 to GO. The resultant nanocomposites were characterized using various techniques, such as Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET), thermogravimetric analysis (TGA), Fourier Transform Infrared (FTIR) and Raman spectroscopy. These nanocomposites were incorporated into the thin film layer during interfacial polymerisation process of m-phenylenediamine (

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Sundaram, Ganeshraja Ayyakannu, Sowndarya Kumaravelu, Wei-Lung Tseng, Phuong V. Pham, Alagarsamy Santhana Krishna Kumar, and Vairavel Parimelazhagan. "Fine-Tuned Graphene Oxide Nanocomposite: Harnessing Copper(II)–Imidazole Complex for Enhanced Biological Responses and Balanced Photocatalytic Functionality." Materials 17, no. 4 (2024): 892. http://dx.doi.org/10.3390/ma17040892.

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In this study, the synthesis of biologically active copper(II) complex [Cu(im)2]Cl2 was achieved using a reported method. Subsequently, this copper(II) complex was strategically grafted onto graphene oxide, resulting in the formation of a nanocomposite denoted as copper(II)-complex-grafted graphene oxide (Cu-GO). The comprehensive characterization of Cu-GO was conducted through various techniques, including X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), UV–visible spectroscopy, emission spectra analysis, X-ray photoelectron spectroscopy (XPS), and Copper K-edge X-ray

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Ovonramwen, Oluwaseyi B., Bodunde J. Owolabi, and Abiodun Falodun. "Synthesis and Antimicrobial Activities of 1-((5-Chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl)-N-ethylpyrrolidine-2-carboxamide." Tanzania Journal of Science 47, no. 3 (2021): 1296–302. http://dx.doi.org/10.4314/tjs.v47i3.36.

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A new 1-((5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl)-N-ethylpyrrolidine-2-carboxamide was synthesized from methyl-1-[(5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl]pyrrolidine-2-carboxylate and ethylamine. The compound methyl-1-[(5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl]pyrrolidine-2-carboxylate was synthesized from methyl pyrrolidine-2-carboxylate and 5-chloro-4-chlorosulfonyl-1-ethyl-2-methyl-imidazole. The compounds were characterized based on FTIR, 1H, 13C NMR, and DEPT 135 analysis. Antimicrobial activities of the 1-((5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)s

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Alotaibi, Hend Ghnaim, Eman Al-Abbad, Dana Almohazey, et al. "Zeolitic Imidazole Framework/Silica Nanocomposite for Targeted Cancer Therapeutics: Comparative Study of Chemo-Drug Cisplatin (CPt) and Green Platinum (GPt) Efficacy." International Journal of Molecular Sciences 25, no. 6 (2024): 3157. http://dx.doi.org/10.3390/ijms25063157.

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A chemo-drug such as cisplatin is effective for cancer treatment but remains non-specific, is susceptible to drug resistance, and induces several side effects on organ systems. Zeolitic imidazolate framework-8, a type of MOF, has gained attention, including as a drug delivery method for targeted cancer therapeutics. In this study, ZIF-8/Silica nanocomposite was synthesized using a one-pot hydrothermal technique using the Stober technique. We studied the effect of phyto-synthesized GPt and chemo-drug cisplatin CPt on ZIF-8/Silica for targeted efficacy of cancer therapy. The texture, morphology,

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Solomatina, Anastasia I., Daria O. Kozina, Vitaly V. Porsev, and Sergey P. Tunik. "pH-Responsive N^C-Cyclometalated Iridium(III) Complexes: Synthesis, Photophysical Properties, Computational Results, and Bioimaging Application." Molecules 27, no. 1 (2021): 232. http://dx.doi.org/10.3390/molecules27010232.

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Herein we report four [Ir(N^C)2(L^L)]n+, n = 0,1 complexes (1–4) containing cyclometallated N^C ligand (N^CH = 1-phenyl-2-(4-(pyridin-2-yl)phenyl)-1H-phenanthro[9,10-d]imidazole) and various bidentate L^L ligands (picolinic acid (1), 2,2′-bipyridine (2), [2,2′-bipyridine]-4,4′-dicarboxylic acid (3), and sodium 4,4′,4″,4‴-(1,2-phenylenebis(phosphanetriyl))tetrabenzenesulfonate (4). The N^CH ligand precursor and iridium complexes 1–4 were synthesized in good yield and characterized using chemical analysis, ESI mass spectrometry, and NMR spectroscopy. The solid-state structure of 2 was also deter

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40

Kudryavtseva, Ekaterina, Andrey Serykh, Bogdan Ugrak, et al. "5-Fluoro-1-Methyl-Pyrazol-4-yl-Substituted Nitronyl Nitroxide Radical and Its 3d Metal Complexes: Synthesis, Structure, and Magnetic Properties." Crystals 13, no. 12 (2023): 1655. http://dx.doi.org/10.3390/cryst13121655.

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The metal–radical approach is a well-established synthetic way toward multi-spin systems that relies on the coordination of stable radical ligands with transition metal ions. The advantage offered by the use of paramagnetic ligands is that metal–radical magnetic exchange coupling is direct between the magnetic orbitals of the radical and metal ion. With the aim of further exploring this approach, crystals of four heterspin complexes, [M(hfac)2LF]2 {M = Mn, Co, or Ni and hfac = hexafluoroacetylacetonate} and [Cu(hfac)2LF]n, were obtained using a new fluorinated pyrazolyl-substituted nitronyl ni

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Jiang, Jingwen, Kaderya Kaysar, Yanzhu Pan, Lijie Xia, and Jinyao Li. "A Zeolitic Imidazolate Framework-Based Antimicrobial Peptide Delivery System with Enhanced Anticancer Activity and Low Systemic Toxicity." Pharmaceutics 16, no. 12 (2024): 1591. https://doi.org/10.3390/pharmaceutics16121591.

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Background: The clinical efficacies of anticancer drugs are limited by non-selective toxic effects on healthy tissues and low bioavailability in tumor tissue. Therefore, the development of vehicles that can selectively deliver and release drugs at the tumor site is critical for further improvements in patient survival. Methods: We prepared a CEC nano-drug delivery system, CEC@ZIF-8, with a zeolite imidazole framework-8 (ZIF-8) as a carrier, which can achieve the response of folate receptor (FR). We characterized this system in terms of morphology, particle size, zeta potential, infrared (IR),

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Narimbi, Justin, Sivakumar Balakrishnan, Tatiana S. Perova, Garret Dee, Gerhard F. Swiegers, and Yurii K. Gun’ko. "XRD and Spectroscopic Investigations of ZIF—Microchannel Glass Plates Composites." Materials 16, no. 6 (2023): 2410. http://dx.doi.org/10.3390/ma16062410.

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In this study, new composite materials comprising zeolitic imidazolate framework (ZIF) structures and microchannel glass (MCG) plates were fabricated using the hydrothermal method and their morphological and spectral properties were investigated using XRD, SEM, FTIR, and Raman spectroscopy. XRD studies of powder samples revealed the presence of an additional phase for a ZIF-8 sample, whereas ZIF-67 samples, which were prepared through two different chemical routes, showed no additional phases. A detailed analysis of the FTIR and micro-Raman spectra of the composite samples revealed the formati

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Wang, Ziyun, Lun Zhao, Hongwei Jing, Guanying Song, and Jiayu Li. "Synthesis, Structure and Antibacterial Activity of Two Novel Coordination Polymers Based on N,N′-bis(4-carbozvlbenzvl)-4-aminotoluene and Heterocyclic Ligand against S. aureus." Molecules 29, no. 9 (2024): 1990. http://dx.doi.org/10.3390/molecules29091990.

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As the use of antibiotics increases, the increasing resistance of bacteria is the main reason for the reduced efficiency of antibacterial drugs, making the research of new antibacterial materials become new hot spot. In this article, two novel coordination polymers (CPs), namely, [Cd2(L)2(bibp)2]n (1) and [Ni(L)(bib)]n (2), where H2L = N,N′-bis(4-carbozvlbenzvl)-4-aminotoluene, bibp = 4,4′-bis(imidazol-1-yl)biphenyl, and bib = 1,3-bis(1-imidazoly)benzene, have been synthesized under solvothermal and hydrothermal condition. Structural clarification was performed through infrared spectrum and si

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B, Srinivas, and Prabhakara Rao Koya. "Design an efficient method for the synthesis of 2-(1,3-diphenyl-1H-pyrazol-4-yl)-1H-benzo[d]imidazole." Mapana Journal of Sciences 19, no. 2 (2020): 21–31. http://dx.doi.org/10.12723/mjs.53.3.

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A simple, highly efficient and environmentally friendly method has been developed for the synthesis of 2-(1,3-diphenyl-1H-pyrazol-4-yl)-1H-benzo[d]imidazole by using Gadolinium(III) trifluoromethanesulfonate catalyst and ethanol reflux reaction conditions By using this method. 12 new 2-(1,3-diphenyl-1H-pyrazol-4-yl)-1H-benzo[d]imidazole derivatives were synthesized under optimized reactions conditions. All these new products structures are confirmed by spectral analysis. By this method, we achieved imidazole derivatives with more operational simplicity, short reaction time and good yields (up

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A. Gosalia, Umang, Manish Srivastava, Neetu Yaduvanshi, et al. "One-pot mediated synthesis of pyrimidine and quinazoline annulated derivatives of nitrogen containing five membered rings through their nitrile derivatives as antibacterial agents." Bulletin of the Chemical Society of Ethiopia 37, no. 5 (2023): 1193–208. http://dx.doi.org/10.4314/bcse.v37i5.12.

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ABSTRACT. Novel five-membered ring (pyrrole, pyrazole and imidazole)-based pyrimidine and quinazoline derivatives were synthesized by one-pot domino approach. This approach has the advantages of high yield, mild reaction conditions and a simple work-up procedure. The structure of the synthesized compound was elucidated by spectroscopy technique and elemental analysis. The synthesized compound were examined for antimicrobial activity against four bacteria (E. coli, S. pyogenes, S. aureus, and P. aeruginosa) and two fungi (C. albicans and A. clavatus) and most of the synthesized compound exhibit

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Sponza, Deli̇a Teresa, and Ruki̇ye Özteki̇n. "Zeolitic Imidazolate/Fe3O4 Nanocomposite for Removal of Polystyrene and 4-tert-butylphenol via Adsorption." WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT 19 (October 17, 2023): 1071–82. http://dx.doi.org/10.37394/232015.2023.19.101.

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Simultaneous removal of microplastics and endocrine disruptors was performed with high yields using Zeolitic imidazolate/Fe3O4 nanocomposite. Polystyrene and 4-tert-butylphenol were used to indicate the microplastic and endocrine disruptors. Under optimal conditions for maximum yields, the matrix was as follows: 1.5 mg/l Zeolitic imidazolate/Fe3O4 nanocomposite, 30 min adsorption time at a Zeolitic imidazolate to Fe3O4 ratio of 1/1, and 6 mg/l individual polystyrene 4-tert-butylphenol concentrations. Under these conditions, 99% and 98% removals were detected for polystyrene and 4-tert-butylphe

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Meng, Lingshu, Lun Zhao, Guanlin Guo, et al. "Syntheses, Structures, and Characteristics of Three Metal Complexes Constructed Using Hexacarboxylic Acid." Molecules 24, no. 24 (2019): 4431. http://dx.doi.org/10.3390/molecules24244431.

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In this study, three new 3D coordination polymers (CPs), {[Cd3(L)(H2O)6]·H2O}n (1), {[Cu1.5(L)0.5(bimb)1.5]·5H2O·DMF}n (2), and {[Mn1.5(H3L)(bibp)0.5(H2O)2]·3H2O}n (3) (bimb= 1,3-bis(imidazol-1-yl)benzene, bibp= 1,4-bis((4-imidazol-1-yl)benzyl)piperazine), were prepared under solvothermal or hydrothermal conditions based on a hexadentate ligand (1,3,5-triazine-2,4,6-triamine hexa-acetic acid (H6L)). Structural elucidations were carried out by IR spectra along with single-crystal X-ray diffraction analysis, while thermogravimetric analysis (TGA) (dynamic and isothermal) and XRD techniques were

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Faisal, Muhammad Ali, Ika Kustiyah Oktaviyanti, Hidayat Sujuti, and Achmad Rudijanto. "Virtual Screening of the Active Components of Garcinia mangostana Linn. Potentially Inhibiting the Interaction of Advanced Glycation End-products and their Receptor." Open Access Macedonian Journal of Medical Sciences 8, A (2020): 921–27. http://dx.doi.org/10.3889/oamjms.2020.5505.

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BACKGROUND: Mangosteen (Garcinia mangostana L.) is a plant that contains various secondary metabolite compounds, one of which is xanthone. Xanthone in mangosteen has a variety of beneficial biological and medical effects, one of which is an antioxidative, anti-inflammatory, and antiapoptotic agent. AIM: The aim of the study was to perform the selection of any xanthone in mangosteen pericarp that have potentially inhibit the interaction of AGEs and RAGE. METHODS: The analysis was made in silico by docking method using software Hex 8.0. The docking was done between AGEs-RAGE, also be

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Albalawi, Marzough A., Amira K. Hajri, Bassem Jamoussi, and Omnia A. Albalawi. "A Novel Recyclable Magnetic Nano-Catalyst for Fenton-Photodegradation of Methyl Orange and Imidazole Derivatives Catalytic Synthesis." Polymers 16, no. 1 (2024): 140. http://dx.doi.org/10.3390/polym16010140.

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A magnetite chlorodeoxycellulose/ferroferric oxide (CDC@Fe3O4) heterogeneous photocatalyst was synthesised via treated and modified cotton in two steps. The designed nanocomposites were characterised by FTIR, TGA, XRD, SEM, and VSM analyses. The Fenton-photocatalytic decomposition efficiency of the synthesised magnetic catalyst was evaluated under visible sunlight using Methyl Orange (MO) as a model organic pollutant. The impacts of several degradation parameters, including the light source, catalyst load, irradiation temperature, oxidant dose, and pH of the dye aqueous solution and its corres

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Co, Thien Thanh, Toan Mai, Hong Thi Thu Nguyen, Quynh Ngoc Nguyen, and Vu Pham Anh Ho. "Synthesis of ligand 4,4’-(1h,1’h-5,5’-bibenzo[d]imidazol-2,2’-diyl) dibenzoic acid: a new linker for MOFs." Science and Technology Development Journal 16, no. 2 (2013): 61–69. http://dx.doi.org/10.32508/stdj.v16i2.1453.

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A novel ligand 4,4’-(1H,1’H-5,5’-bibenzo[D]imidazol-2,2’-diyl)dibenzoic acid, was synthesized and fully characterized by various spectroscopic methods such FT-IR, 1H, 13C-NMR and DEPT analysis. MOFs material derived from this ligand and zinc nitrate has been synthesized by solvothermal method. The structure of the new MOFs was examined by powder XRD, thermogravimetric analysis (TGA) and the nitrogen physical uptake reveal the surface area based on Langmuir theory is up to 147 m2/g.

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