Category: 484-47-9

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Pervaiz, Sania; Mutahir, Sadaf; Ullah, Islam; Ashraf, Muhammad; Liu, Xiao; Tariq, Sidrah; Zhou, Bao-Jing; Khan, Muhammad Asim researched the compound: 2,4,5-Triphenylimidazole( cas:484-47-9 ).Electric Literature of C21H16N2.They published the article 《Organocatalyzed Solvent Free and Efficient Synthesis of 2,4,5-Trisubstituted Imidazoles as Potential Acetylcholinesterase Inhibitors for Alzheimer’s Disease》 about this compound( cas:484-47-9 ) in Chemistry & Biodiversity. Keywords: Alzheimer’s diseases organocatalyst mol docking AChE inhibitor SAR; 2,4,5-trisubstituted imidazoles; Alzheimer’s disease; acetylcholinesterase; molecular docking, synthesis; organocatalyst. We’ll tell you more about this compound (cas:484-47-9).

The catalytic potential of pyridine-2-carboxlic acid has been evaluated for efficient, green and solvent free synthesis of 2,4,5-trisubstituted imidazole derivatives 3a-3m. The compounds 3a-3m were synthesized by one pot condensation reaction of substituted aromatic aldehydes, benzil, and ammonium acetate in good to excellent yields (74-96%). To explore the potential of these compounds against Alzheimer’s disease, their inhibitory activities against acetylcholinesterase (AChE) were evaluated. In this series of compounds, compound 3m, bearing one ethoxy and a hydroxy group on the Ph ring on 2,4,5-trisubstituted imidazoles, proved to be a potent AChE inhibitor (102.56±0.14). Structure-activity relationship (SAR) of these compounds was developed. Mol. dockings were carried out for the compounds 3m, 3e, 3k, 3c, 3a, 3d, 3j, and 3f in order to further investigate the binding mechanism. The inhibitor mol. was molecularly docked with acetylcholinesterase to further study its binding mechanism. The amino group of the compound 3m forms an H-bond with the oxygen atom of the residue (i. e., THR121) which has a bond length of 3.051 Å.

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Name: 2,4,5-Triphenylimidazole. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about Exothermic Effects in Mixtures of Low-Density Polyethylene with 90 weight% of Low-Molecular-Weight Organic Compounds after Plastic Deformation under High Pressure. Author is Zhorin, V. A.; Kiselev, M. R.; Kotenev, V. A..

Mixtures of low-d. polyethylene (Tm = 108°C, enthalpy of melting 80 J g-1) with 90 weight% indigo, lophine, bromcresol purple, spiropyran, phenol red, rhodamine, phenolphthalein, and fluorescein were subjected to plastic deformation under a pressure of 1 GPa on an anvils-type high-pressure apparatus The study of deformed mixtures was carried out by the DSC method. The thermograms of heating the mixtures showed peaks of polymer melting with enthalpies, which varied from 25 to 170 J g-1. The thermograms below the polymer temperature showed either endotherm peaks of melting of fine crystallites with maxima at 44-57°C, the enthalpies of which varied within 20-120 J g-1, or exotherm peaks of crystallization of fine crystallites with maxima at 58-67°C and enthalpies from 20 up to 45 J g-1. In the range of 81-86°C, in some mixtures, the exotherm process of cold polymer crystallization took place, the enthalpy of which varied from 75 to 290 J g-1. At temperatures above the polymer Tm in the range 115-132°C, the heating thermograms showed exotherm peaks with enthalpies from 115 to 420 J g-1, while, in the range 137-164°C, they showed endotherm peaks with enthalpies of 520-540 J g-1. Crystallization of most mixtures from the melt was described by two peaks, one of which was always at 87°C, while the other could be at 48 or 112°C. The total enthalpies of crystallization varied from 40 to 82 J g-1.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Indalkar, Krishna; Malge, Sanjay S.; Mali, Anil S.; Chaturbhuj, Ganesh U. researched the compound: 2,4,5-Triphenylimidazole( cas:484-47-9 ).Quality Control of 2,4,5-Triphenylimidazole.They published the article 《Expeditious and Highly Efficient One-Pot Synthesis of Functionalized Imidazoles Catalyzed by Sulfated Polyborate》 about this compound( cas:484-47-9 ) in Organic Preparations and Procedures International. Keywords: benzil aldehyde ammonium acetate sulfated polyborate green chem; diphenylimidazole preparation; benzaldehyde amine benzil ammonium acetate sulfated polyborate green chem; triphenylimidazole preparation. We’ll tell you more about this compound (cas:484-47-9).

An efficient and eco-friendly protocol for the one-pot synthesis of 2,4,5-tri- and 1,2,4,5-tetrasubstituted imidazoles in the presence of reusable sulfated polyborate as a mild, efficient, eco-friendly and inexpensive catalyst was reported. Key features of this procedure included excellent yields, short reaction times, mild conditions, an easy workup, recyclability of the catalyst and environmentally benign conditions. Moreover, this protocol tolerated a wide variety of substituent groups on the reactants.

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Name: 2,4,5-Triphenylimidazole. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about One-Pot Three-Component Synthesis of 2,4,5-Triaryl-1H-imidazoles in the Presence of a Molecular Sieve Supported Titanium Catalyst under Mild Basic Conditions. Author is Magyar, Agnes; Hell, Zoltan.

A series of 2,4,5-trisubstituted-imidazoles was synthesized with good to excellent yields by the one-pot condensation reaction of 1,2-dicarbonyl compounds, benzaldehydes, and ammonium acetate in the presence of 4 Å mol. sieves modified with titanium(IV) as an efficient heterogeneous catalyst. The catalyst could be recovered easily and reused without significant loss of activity.

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Computed Properties of C21H16N2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about MIL-101(Cr), an efficient heterogeneous catalyst for one pot synthesis of 2,4,5-tri substituted imidazoles under solvent free conditions. Author is Manteghi, Faranak; Zakeri, Fatemeh; Guy, Owen James; Tehrani, Zari.

A chromium-containing metal-organic framework (MOF), MIL-101 (Chromium(III) benzene-1,4-dicarboxylate), was used to catalyze the one pot, three component synthesis of some 2,4,5-trisubstituted imidazoles under solvent-free conditions. The advantages of using this heterogeneous catalyst included short reaction time, high yields, easy and quick isolation of catalyst and products, low amount of catalyst needed and that the addition of solvent, salt and additives were not needed. This catalyst was highly efficient and recovered at least 5 times with a slight loss of efficiency. The structure of the metal-organic frameworks (MOF) was confirmed by X-ray diffraction (XRD) and field emission SEM (FESEM). Fourier transform IR spectroscopy (FTIR) and proton NMR (HNMR) were performed to confirm some of the synthesized products. Exptl. data indicated that the optimum amount of catalyst was 5 mg for benzil (1 mmol), 4-chlorobenzaldehyde (1 mmol) and ammonium acetate (2.5 mmol) and the synthetic route to the various imidazoles is performed in 10 min by 95% yield, an acceptable result rivalling those of other catalysts.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about The dual role of ammonium acetate as reagent and catalyst in the synthesis of 2,4,5-triaryl-1H-imidazoles, the main research direction is triphenylimidazole preparation; benzaldehyde benzil ammonium acetate heterocyclization.Recommanded Product: 484-47-9.

New findings concerning synthesis of some 2,4,5-triaryl-1H-imidazoles was disclosed in the absence of any catalyst. Results indicated that by enhancing the amount of ammonium acetate, an obvious acceleration can be observed in the reaction progress. It was believed that ammonium acetate can be converted to ammonia and acetic acid during the reaction and the produced acid can catalyze the reaction progress.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 484-47-9, is researched, Molecular C21H16N2, about Development of novel and green NiFe2O4/geopolymer nanocatalyst based on bentonite for synthesis of imidazole heterocycles by ultrasonic irradiations, the main research direction is nickel ferrite geopolymer nanocomposite preparation thermal stability; aryl aldehyde benzil ammonium acetate geopolymer nanocomposite multicomponent cyclocondensation; diphenyl arylimidazole preparation ultrasound green chem.Name: 2,4,5-Triphenylimidazole.

In this research, according to the fabrication of geopolymer based on bentonite as a substrate and embedment of NiFe2O4 nanoparticles in the construction of this polymer, the synthesis of a new magnetic nanocomposite (NiFe2O4/geopolymer) was investigated for the first time. In order to describe its chem. and morphol. features, different analyses such as Fourier transform IR spectroscopy, field-emission SEM and transmission electron microscopy images, Brunauer-Emmet-Teller adsorption-desorption isotherm, X-ray diffraction pattern, energy-dispersive X-ray anal., thermogravimetric anal., and vibrating-sample magnetometer anal. were used. The application of this novel nanocatalyst was studied for one-pot three-component condensation reaction of substituted imidazole derivatives by accelerated ultrasonic irradiations. Compared to the other conventional catalysts which were used for the synthesis of imidazole derivatives, the green synthesis method for fabrication of this heterogeneous and magnetic nanocatalyst, its high thermal stability, being eco-friendly, noticeable efficiency and easy reusability have become privileges to be superior.

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Khalifeh, Reza; Naseri, Vafa; Rajabzadeh, Maryam published an article about the compound: 2,4,5-Triphenylimidazole( cas:484-47-9,SMILESS:C1(C2=CC=CC=C2)=NC(C3=CC=CC=C3)=C(C4=CC=CC=C4)N1 ).Application of 484-47-9. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:484-47-9) through the article.

The core-shell of Fe3O4@SiO2 modified by epichlorohydrin and 1-methylimidazole (Fe3O4@SiO2-EPIM), a new green recyclable nanocatalyst, was designed and prepared This nanocatalyst was characterized using Fourier-transform IR spectroscopy (FT-IR), field-emission SEM (FESEM), energy-dispersive X-ray spectroscopy (EDS), elemental mapping technique, transmission electron microscopy (TEM), X-ray diffraction (XRD) techniques, thermal gravimetric anal. (TGA), N2 adsorption-desorption by Brunauer-Emmet-Teller (BET) and vibrating sample magnetometer (VSM). The catalytic activity of Fe3O4@SiO2-EPIM was assessed for synthesis of 2-R-4,5-diphenylimidazoles (R = i-Bu, Ph, anthracen-9-yl, 2-PhCH:CH, furan-2-yl, etc.) via one-pot condensation reactions of benzil, aldehydes RCHO and ammonium acetate under the optimal reaction condition (PEG 200, 100°C, 0.02 g catalyst). This nanocatalyst displayed remarkable advantages, such as environmental friendliness, shorter reaction time, excellent yields, reusability of the catalyst and simple workup procedure.

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HPLC of Formula: 484-47-9. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about Sulfonated graphitic carbon nitride (Sg-C3N4): highly efficient heterogeneous organo-catalyst for the condensation reactions. Author is Ghafuri, Hossein; Hanifehnejad, Peyman; Rezazadeh, Zeynab; Rashidizadeh, Afsaneh.

Graphitic carbon nitride (g-C3N4) was widely studied in the field of photocatalysis and heterogeneous catalysis, due to its high surface area and great phys. and chem. stability. Herein, the synthesis of sulfonated graphitic carbon nitride (Sg-C3N4) as an efficient solid acid catalyst was reported for the preparation of imidazoles I [R = H, OH, Cl, NO2] and quinoxalines II [R1 = H, NO2; R2 = H, OMe] under mild reaction conditions.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Physics and Chemistry of Solids called Pumice-modified cellulose fiber: An environmentally benign solid state hybrid catalytic system for the synthesis of 2,4,5-triarylimidazole derivatives, Author is Maleki, Ali; Gharibi, Saideh; Valadi, Kobra; Taheri-Ledari, Reza, which mentions a compound: 484-47-9, SMILESS is C1(C2=CC=CC=C2)=NC(C3=CC=CC=C3)=C(C4=CC=CC=C4)N1, Molecular C21H16N2, Formula: C21H16N2.

An instrumental hybrid catalytic system comprising cellulose fiber and volcanic pumice powder, which was applied as a suitable organic-inorganic hybrid catalyst for the synthesis of 2,4,5-triarylimidazole derivatives was developed in this study. High reaction yields (97%) were obtained in short reaction times (20 min) using this catalytic system. In phys. terms, the high porosity of pumice provided an extremely high active surface area for electronic interactions among the components. Moreover, the most distinctive properties of this catalytic system were high biodegradability, simple separation of the catalyst, and good reusability. The natural pumicewas recovered easily using an external magnet and reused with no significant decline in the catalytic activity. The structural characteristics of this efficient catalytic system were assessed using various anal. methods.

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