Category: 484-47-9

Safety of 2,4,5-Triphenylimidazole. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about Homoselective synthesis of 5-substituted 1H-tetrazoles and one-pot synthesis of 2,4,5-trisubstituted imidazole compounds using BNPs@SiO2-TPPTSA as a stable and new reusable nanocatalyst. Author is Khodamorady, Minoo; Ghobadi, Nazanin; Bahrami, Kiumars.

Considering the importance of tetrazole and imidazole derivatives in pharmacy, industry, and explosives, BNPs@SiO2-TPPTSA was easily prepared and used as an effective, stable, and renewable nanocatalyst for the homoselective synthesis of different 5-substituted 1H-tetrazoles and atom economic synthesis of 2,4,5-trisubstituted-1H-imidazoles in solventless conditions. BNPs@SiO2-TPPTSA was characterized by transmission electron microscopy (TEM), SEM (SEM), X-ray diffraction (XRD), energy dispersive X-ray anal. (EDX), thermal gravimetric-DTA (TGA-DTA), mapping, pH anal., and Fourier transform IR (FT-IR) techniques. Furthermore, the catalyst recycled for at least sequential five loads without a remarkable drop-in catalytic activity.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2,4,5-Triphenylimidazole( cas:484-47-9 ) is researched.SDS of cas: 484-47-9.Higuera, Natalia Lopez; Pena-Solorzano, Diana; Ochoa-Puentes, Cristian published the article 《Urea-Zinc Chloride Eutectic Mixture-Mediated One-Pot Synthesis of Imidazoles: Efficient and Ecofriendly Access to Trifenagrel》 about this compound( cas:484-47-9 ) in Synlett. Keywords: eutectic solvent catalyzed cyclocondensation dicarbonyl ammonium acetate aromatic aldehyde; urea zinc chloride eutectic solvent catalyzed imidazole synthesis; trifenagrel synthesis. Let’s learn more about this compound (cas:484-47-9).

The low-melting mixture urea-ZnCl2 was evaluated as a novel reaction medium for the synthesis of imidazoles. The reaction between a dicarbonyl compound, ammonium acetate, and an aromatic aldehyde is efficiently catalyzed by the eutectic solvent, yielding a wide variety of triaryl-1H-imidazoles or 2-aryl-1H-phenanthro[9,10-d]imidazoles in good to excellent yields [e.g., benzil + benzaldehyde + ammonium acetate → lophine (99%)]. In addition, the eutectic solvent was reused in five cycles without loss of its catalytic activity. This protocol was further explored for the synthesis of the drug trifenagrel, giving an excellent yield.

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COA of Formula: C21H16N2. 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 Nanoparticle-Promoted Synthesis of Trisubstituted Imidazoles in a Green Medium. Author is Khalifeh, Reza; Niknam, Anahita.

A simple and efficient method for the synthesis of 2,4,5-triaryl substituted imidazoles using a recyclable Cu/C nanocatalyst from benzil, aromatic aldehydes and ammonium acetate in PEG 200 is presented. This procedure is highlighted by PEG-200 as a green solvent, short reaction times, high yields and catalyst recycling.

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Safaei-Ghomi, Javad; Abbas, Ali Kareem; Shahpiri, Marzieh published the article 《Synthesis of imidazoles promoted by H3PW12O40-amino-functionalized CdFe12O19@SiO2 nanocomposite》. Keywords: amino functionalize phosphotungstic acid catalyst preparation surface area; benzil ammonium acetate aryl aldehyde amino phosphotungsten catalyst condensation; imidazole preparation green chem.They researched the compound: 2,4,5-Triphenylimidazole( cas:484-47-9 ).COA of Formula: C21H16N2. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:484-47-9) here.

H3PW12O40-amino-functionalized CdFe12O19@SiO2 nanocomposite was applied as an effective nanocatalyst for the preparation of imidazoles by three-component reactions of benzil, ammonium acetate and benzaldehydes under solvent-free condition. H3PW12O40-amino-functionalized CdFe12O19@SiO2 nanocomposites was identified by powder X-ray diffraction, scanning electronic microscopy, energy dispersive X-ray spectroscopy, vibrating sample magnetometer, thermal gravimetric anal. and Fourier transform IR spectroscopy. This method provided several benefits including easy work-up, the use solvent-free conditions, the low catalyst loading and the reusability of the catalyst. Recently the use of environmental and green catalysts which was easily recycled which received significant attention. Besides environmental advantages, such recoverable catalysts also provided a platform for heterogeneous catalysis, green chem. and environmentally benign protocols in the near future.

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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 Facile synthesis of imidazoles by an efficient and eco-friendly heterogeneous catalytic system constructed of Fe3O4 and Cu2O nanoparticles, and guarana as a natural basis, the main research direction is iron copper oxide guarana nanocomposite catalytic cyclocondensation imidazole.Category: nitriles-buliding-blocks.

An efficient hybrid nanocatalyst made of guar gum (guarana, as a natural basis), magnetic iron oxide nanoparticles, and copper(I) oxide nanoparticles (Cu2O NPs) is fabricated and suitably applied for catalyzing the multicomponent (three- and four-component) synthesis reactions of imidazole derivatives Here, an easy preparation strategy for this novel catalytic system (Cu2O/Fe3O4@guarana) is presented. Then, the application of this catalytic system for the synthesis of imidazole derivatives is precisely investigated. For this purpose, ultrasonication is introduced as an efficient and fast method. In summary, the high catalytic efficiency of Cu2O/Fe3O4@guarana nanocomposite is well demonstrated by high reaction yields obtained in the presence of a small amount of this nanocomposite, under mild conditions. Wide active surface area, substantial magnetic behavior, excellent heterogeneity, suitable stability, well reusability, and etc. have distinguished this catalytic system as an instrumental tool for facilitating the complex synthetic reactions.

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Quality Control of 2,4,5-Triphenylimidazole. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about Expedient access To 2,4,5-trisubstituted imidazoles by simple grinding using kaolin impregnated ZnO/SiO2 nanocomposite: homo-lumo, in vitro and in silico studies. Author is Avvadukkam, Jayashree; Badiadka, Narayana; Kunhanna, Sarojini B..

The convergent synthesis of 2,4,5-trisubstituted imidazoles I [R = H, 4-Cl, 3,4-di-OMe, etc.] was studied using the newly introduced catalytic system of kaolin-impregnated ZnO/SiO2 nanocomposite. The catalyst was effective enough to run the reaction under solvent-free conditions by grinding benzil, substituted benzaldehydes and ammonium acetate at room temperature The characterization of synthesized catalyst by means of FESEM and XRD anal. revealed that the combination of the individual components retained its morphol. and crystallinity. The HOMO-LUMO anal. was helped to understand the charge transfer within the mols. The mol. docking studies showed that all newly synthesized mols. fit the active site of the β-Ketoacyl-acyl carrier protein synthase III enzyme (FabH) and represent a promising extension for the existing antibacterial agents.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2,4,5-Triphenylimidazole( cas:484-47-9 ) is researched.Recommanded Product: 2,4,5-Triphenylimidazole.Naidoo, Shivani; Jeena, Vineet published the article 《Molecular iodine/DMSO mediated oxidation of internal alkynes and primary alcohols using a one-pot, two step approach towards 2,4,5-trisubstituted imidazoles: Substrate scope and mechanistic studies》 about this compound( cas:484-47-9 ) in Tetrahedron. Keywords: imidazole preparation green chem; aryl alkyne primary alc tandem oxidation. Let’s learn more about this compound (cas:484-47-9).

An efficient, eco-friendly and practical oxidation of internal alkynes R1CCR2 (R1 = Ph, 4-bromophenyl; R2 = Ph, 4-bromophenyl, 4-chlorophenyl) and primary alcs. R3CH2OH (R3 = furan-2-yl, naphthalen-2-yl, cyclohexyl, etc.) as key steps towards the synthesis of 2,4,5-trisubstituted imidazoles I is reported. This green synthetic methodol. employed an acid and metal-free mol. iodine/DMSO system to afford a variety of substituted imidazoles I in moderate to good yields, with a range of functionalities tolerated. Mechanistic studies revealed two distinct oxidation pathways, which ultimately form the benzil and benzaldehyde that serve as key intermediates in the multicomponent domino synthesis.

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Electric Literature of C21H16N2. 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. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about An eco-friendly, one pot synthesis of tri-substituted imidazoles in aqueous medium catalyzed by RGO supported Au nano-catalyst and computational studies.

An eco-compatible, mild and operationally simple aqueous phase protocol for the synthesis of 2,4,5-trisubstituted imidazoles I [Ar = Ph, 2-MeC6H4, 2-naphthyl, etc.] was developed with high substrate scope using supported Au nanoparticles. The catalyst could be recovered for the subsequent reactions and reused without any appreciable loss. The utility of this protocol was further explored to synthesis of fused and structurally versatile imidazole also. The synthetic attributes of imidazoles were also demonstrated through the computational studies. Furthermore, low E-factor and process mass intensity made the this method more sustainable as compared to earlier literature reports.

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Synthetic Route of C21H16N2. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about Direct synthesis of 2,4,5-trisubstituted imidazoles from primary alcohols by diruthenium(II) catalysts under aerobic conditions. Author is Sundar, Saranya; Rengan, Ramesh.

A straightforward synthetic approach to 2,4,5-trisubstituted imidazoles from readily available primary alcs. using arene diruthenium(II) catalysts was reported. Dinuclear arene ruthenium complexes were synthesized and structurally characterized with the aid of anal. and spectral techniques. A library of 2,4,5-trisubstituted imidazoles was achieved with a yield up to 95% by loading 0.25 mol% of the catalyst. The present protocol was environmentally benign, which was performed under aerobic conditions and liberated water as the sole byproduct.

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Synthetic Route of C21H16N2. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 2,4,5-Triphenylimidazole, is researched, Molecular C21H16N2, CAS is 484-47-9, about Multicomponent reactions synthesis of triaryl-1H imidazoles using reductive-oxidative reactions by MnO2-FeSO4 as a catalyst. Author is Raheem, Ali A.; Saleh, Ali T..

Some novel triaryl-imidazoles I [R = H, Cl, OH] were synthesized using one-pot multicomponent reaction of benzil, benzaldehydes and ammonium acetate in the presence of MnO2/FeSO4 as a reductive-oxidative catalyst under mild conditions. The obtained compounds were nontoxic, excellent yields and environmentally friendly. The catalytic mixture was prepared by ground them together in a mortar with a pestle at room temperature for several minutes; after that, they purified by column chromatog.

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