Category: 7789-45-9

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, Article, Nanotechnology called A one-step synthesis of ultra-long silver nanowires with ultra-high aspect ratio above2000 and its application in flexible transparent conductive electrodes, Author is Zhang, Lu; Jiang, Fuliang; Wu, Bisheng; Lv, Chencheng; Wu, Minghua, which mentions a compound: 7789-45-9, SMILESS is [Cu+2].[Br-].[Br-], Molecular Br2Cu, Formula: Br2Cu.

Silver nanowires (AgNWs), appear as an extremely promising candidate for the next generation of flexible transparent conductive electrodes (FTCEs). However, the performance of AgNWs-FTCEs was severely limited by the aspect ratio of AgNWs, while it was still a big challenge to fabricate AgNWs with high aspect ratio nowadays. To improve the aspect ratio of AgNWs, bromide ion (Br-), cupric ion (Cu2+) and polyvinylpyrrolidone (PVP, Mw≈1300 000) which are beneficial for the synthesis of high aspect ratio AgNWs, were introduced in this article. The high quality and uniform AgNWs with the average diameter of 77.6 nm and the aspect ratio above 2000 were fabricated via a one-step solvothermal method. The effects of reaction time, molar ratio of AgNO3 to PVP and the concentration of CuBr2 on the aspect ratio of AgNWs were discussed. The mechanism of the synthesis of high aspect ratio AgNWs was explored. After that, the prepared AgNWs were spin-coated on the surface of PET film, the FTCEs based on the ultra-high aspect ratio AgNWs without any post-treatments exhibits relatively high transmittance, low haze and low sheet resistance, and the AgNWs have little effect on the optical performance of pristine PET film. The outstanding performance of the prepared FTCEs indicated that the ultra-high aspect ratio AgNWs are ideal materials in the application of FTCEs, and the method of fabricating AgNWs could provide a direction to the high aspect ratio AgNWs.

As far as I know, this compound(7789-45-9)Formula: Br2Cu can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.

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Oxazolidine – Wikipedia,
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Reference of Cupric bromide. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Cupric bromide, is researched, Molecular Br2Cu, CAS is 7789-45-9, about A theoretical approach to demystify the role of copper salts and O2 in the mechanism of C-N bond cleavage and nitrogen transfer. Author is Ghosh, Boyli; Banerjee, Ambar; Roy, Lisa; Manna, Rabindra Nath; Nath, Rounak; Paul, Ankan.

CN bond scission can be a potential avenue for functionalization of chem. bonds. Primarily, rupture of CN bonds in organonitriles are accomplished by protonation, reductive cleavage and metathesis techniques to furnish metal nitride moieties suitable to execute nitrogen transfer reactions. We have conducted an extensive computational study, using d. functional theory (DFT), to unravel the intricate mechanistic pathways traversed in the copper-promoted CN bond cleavage of coordinated cyanide anion under a dioxygen atm., which enables a nitrogen transfer to various aldehydes. Furthermore, detailed electronic structure anal. of the intermediates and the transition states along with the mechanistic corridors using ab initio multireference CASSCF calculations for two different copper promoters, CuCN and CuBr2, revealed that in both cases radical based pathways are operative, which is in sound agreement with the exptl. findings. This is a unique instance of oxygen activation mechanism which is initiated by single electron transfer from the carbon center of the nitrile moiety; whereas the major driving force of this mechanism is CuII/I redox cycle operating on the metal center. Our study revealed that the copper salts act as the “”electron pool”” in this unique nitrogen transfer reaction forming aryl nitrile from aryl aldehydes.

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Oxazolidine – Wikipedia,
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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: Cupric bromide( cas:7789-45-9 ) is researched.COA of Formula: Br2Cu.Fuqha, Muheeb; Awwadi, Firas F.; Haddad, Salim F.; Al-Zaqri, Nabil; Alharthi, Fahad A.; Suleiman, Mohammed; Zarrouk, Abdelkader; Boshaala, Ahmed M.; Warad, Ismail published the article 《Design, XRD/HSA-interactions, spectral, thermal, Solvatochromism and DNA-binding of two [Cu(phen)(triene)]Br2 complexes: Experimental and DFT/TD-DFT investigations》 about this compound( cas:7789-45-9 ) in Journal of Molecular Structure. Keywords: crystal structure copper phen diethelenetriamine complex; copper phen diethelenetriamine dipropylenetriamine preparation DFT DNA binding. Let’s learn more about this compound (cas:7789-45-9).

Two dicationic Cu(II) complexes of [Cu(phen)(NNN)]Br2 (1-2) general formula [phen = 1,10-phenanthroline, NNN = diethylenetriamine (dien) 1 and dipropylenetriamine (dipn) 2], were synthesized in very good yields. The two complexes were characterized via UV-visible, CHN-EA, MS, FTIR, thermal, and x-ray crystallog. techniques. XRD data for 1 showed a distorted square pyramidal Cu(II) ions geometry center with three uncoordinated H2O mols. TGA were performed to evaluate the interactions strength and found to support the XRD mol. interactions results. The time-dependent d. functional theory (TD-DFT) and electron transfer processes were modeled, and consequently the absorption maxima around 610 and 280 nm were attributed to d-d and Phen(π)→Phen(π*) transitions. Pos. Gutmann’s solvatochromism behavior of both complexes were recorded. Also, the ability of the two complexes for DNA binding was evaluated via absorption studies in the visible region showing high Kb constant values.

From this literature《Design, XRD/HSA-interactions, spectral, thermal, Solvatochromism and DNA-binding of two [Cu(phen)(triene)]Br2 complexes: Experimental and DFT/TD-DFT investigations》,we know some information about this compound(7789-45-9)COA of Formula: Br2Cu, but this is not all information, there are many literatures related to this compound(7789-45-9).

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Oxazolidine – Wikipedia,
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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 7789-45-9, is researched, SMILESS is [Cu+2].[Br-].[Br-], Molecular Br2CuJournal, Reaction Kinetics, Mechanisms and Catalysis called Multicriteria optimization of the catalytic reaction for the synthesis of benzyl butyl ether based on the kinetic model, Author is Koledina, K. F.; Gubaydullin, I. M.; Koledin, S. N., the main research direction is benzyl butyl ethe multicriteria optimization catalysis r kinetics.Quality Control of Cupric bromide.

The work investigates the catalytic reaction of the benzyl Bu ether catalytic synthesis reaction by methods of math. modeling, based on exptl. data. Schematic technol. diagram of benzyl Bu ether production by intermol. dehydration of benzyl alc. with Bu alc. in the presence of a CuBr2 catalyst is given. A kinetic model of the process was developed according to a detailed scheme of chem. transformations. Intermol. dehydration of benzyl alc. and Bu alc. proceeds in three directions and leads to the formation of benzyl Bu, dibenzyl and di-Bu ethers. The problem of multicriteria optimization is formulated based on the kinetic model. Variable parameters are temperature, molar ratio of starting reagents and reaction time. Optimality criteria are maximizing the yield of the target benzyl Bu ether and minimizing the yield of byproducts. The solution of the multicriteria optimization problem was carried out by the NSGA-II Pareto-approximation algorithm. The results showed that an increase in the content of dibenzyl ether allows an increase in the yield of the target benzyl Bu ether. When the maximum permissible values of the molar ratio of the reactants, by-dibutyl ether increases yield while increasing the target output benzyl Bu.

From this literature《Multicriteria optimization of the catalytic reaction for the synthesis of benzyl butyl ether based on the kinetic model》,we know some information about this compound(7789-45-9)Quality Control of Cupric bromide, but this is not all information, there are many literatures related to this compound(7789-45-9).

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Oxazolidine – Wikipedia,
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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Cupric bromide(SMILESS: [Cu+2].[Br-].[Br-],cas:7789-45-9) is researched.Name: Oxazole. The article 《Elemental mercury removal from simulated coal-fired flue gas by modified tonstein in coal seam》 in relation to this compound, is published in Fuel. Let’s take a look at the latest research on this compound (cas:7789-45-9).

Tonstein in coal seam (TCS) is a kind of mining solid waste, which was developed to a novel adsorbent (CuBr2-TCS) by using copper bromide modification. In this paper, CuBr2-TCS was subjected to elemental mercury (Hg0) removal experiment in simulated coal-fired flue gas (SFG). Several characterization methods were used to determine the mineralogical characteristics of TCS and reaction mechanisms. In-depth, the Hg0 removal performances of CuBr2-TCS under different flue gas components were explored. The results revealed that CuBr2-TCS exhibited 92.1% and 78.3% Hg0 removal efficiency in dry and wet SFG, resp. HCl and O2 facilitated Hg0 removal performance of CuBr2-TCS by supplementing oxygen atoms and halogens, resp., accompanying some intermediate transition products such as Cu2OBr2. SO2 played a serious suppressive role. SO2 acting alone or NO and SO2 acting simultaneously caused irreversible changes in the surface functional groups that formed active sites with NO. However, the thermal stability of the adsorbed mercury on the adsorbent which was spent in N2 + SO2 + O2 atmosphere became better. In addition, the spent adsorbent that first went through the Hg0 removal process in N2 + NO atm., exhibited higher Hg0 removal efficiency in N2 + SO2 + NO atm. than that first reacted in N2 + SO2 atmosphere. CuBr2-TCS is a cost-effective adsorbent for the Hg0 abatement from the coal-fired flue gas (CFG).

There is still a lot of research devoted to this compound(SMILES：[Cu+2].[Br-].[Br-])HPLC of Formula: 7789-45-9, and with the development of science, more effects of this compound(7789-45-9) can be discovered.

Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Cupric bromide, is researched, Molecular Br2Cu, CAS is 7789-45-9, about A new square pyramidal copper(II) complex [Cu(C10H24N4)Br]Br: Crystal structure, thermal analysis, Hirschfeld surfaces, electrical and semiconducting properties.COA of Formula: Br2Cu.

A new organic-inorganic Cu(II) bromide complex material [Cu(C10H24N4)Br]Br was synthesized by hydrothermal method. Blue-violet crystals were characterized by x-ray single crystal diffraction, crystallizing in the orthorhombic system, noncentrosym. space group P212121, with the following unit-cell parameters: a 8.3536(1) Å, b 12.7161(3) Å, c 14.1982(3) Å. The Cu(II) sites adopt a square pyramidal distorted geometry. The crystal structure first reveals a 1-dimensional (1D) network along the a axis based on N-H···Br interactions. The dimensionality is further increased to (3D) by C-H···Br weak interactions. Hirshfeld surfaces anal. was used to study the intermol. interactions in the crystal lattices. It was then found that X-H···Br (X = N or C) contacts play an important role within the at. architecture. Besides, the phase transitions, elec. and optical properties of [Cu(C10H24N4)Br]Br were investigated and revealed a phase transition at T = 343 K. The temperature dependence of the elec. conductivity confirmed the phase transition that was also well detected with DSC. The calculated activation energies of the conduction process for the two phases are EaI = 0.30 eV, and EaII = 0.69 eV.

If you want to learn more about this compound(Cupric bromide)COA of Formula: Br2Cu, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(7789-45-9).

Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Cupric bromide, is researched, Molecular Br2Cu, CAS is 7789-45-9, about Bioinspired oil-soluble polymers based on catecholamine chemistry for reduced friction, the main research direction is bioinspired oil polymer catecholamine chem reduced friction.Safety of Cupric bromide.

Reduction of friction and wear contributes significantly to energy saving for mech. system as considerable energy has been consumed in various forms of friction worldwide. In the present study, two kinds of dopamine-based oil-soluble polymers were synthesized by atom transfer radical polymerization (DOPA-BiBB-pLMA) and photopolymerization (DOPA-I2959-pLMA), and modified onto the Ti6Al4V sheet by the “”grafting to”” method. The characterizations of NMR, Fourier transform IR spectrum, water contact angle, and XPS confirmed that the polymers were successfully grafted onto the Ti6Al4V surface. Addnl., a series of tribol. tests were performed in oil environment using a universal materials tester under different exptl. conditions. It was shown that the coefficient of friction using the Ti6Al4V sheets grafted by the dopamine-based polymers was reduced by 23.5-46.2% compared with bare Ti6Al4V sheet. Furthermore, the wear depth and wear volume were also greatly decreased with the introduction of the dopamine-based polymers. DOPA-I2959-pLMA showed slightly better lubrication enhancement than that of DOPA-BiBB-pLMA, which may be attributed to the relatively higher polymerization degree. In summary, a universal “”grafting to”” surface modification approach was proposed bioinspired by catecholamine chem., which remarkably reduced friction and wear of the tribopairs with the introduction of oil-soluble polymers.

If you want to learn more about this compound(Cupric bromide)Safety of Cupric bromide, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(7789-45-9).

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Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem

Related Products of 7789-45-9. 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: Cupric bromide, is researched, Molecular Br2Cu, CAS is 7789-45-9, about Light-Activated Adhesion and Debonding of Underwater Pressure-Sensitive Adhesives. Author is Tseng, Yen-Ming; Narayanan, Amal; Mishra, Kaushik; Liu, Xinhao; Joy, Abraham.

Pressure-sensitive adhesives (PSAs) such as sticky notes and labels are a ubiquitous part of modern society. PSAs with a wide range of peel adhesion strength are designed by tailoring the bulk and surface properties of the adhesive. However, designing an adhesive with strong initial adhesion but showing an on-demand decrease in adhesion has been an enduring challenge in the design of PSAs. To address this challenge, we designed alkoxyphenacyl-based polyurethane (APPU) PSAs that show a photoactivated increase and decrease in peel strength. With increasing time of light exposure, the failure mode of our PSAs shifted from cohesive to adhesive failure, providing residue-free removal with up to 83% decrease in peel strength. The APPU-PSAs also adhere to substrates submerged underwater and show a similar photoinduced decrease in adhesion strength.

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Oxazolidine – Wikipedia,
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Recommanded Product: 7789-45-9. 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: Cupric bromide, is researched, Molecular Br2Cu, CAS is 7789-45-9, about Investigation of eATRP for a Carboxylic-Acid-Functionalized Ionic Liquid Monomer. Author is Hu, Weiling; Xu, Lan.

Electrochem. mediated atom transfer radical polymerization (eATRP) is a promising technique for precise control over polymer mol. weights (MWs), mol. weight distribution (Dj), and complex architectures under low concentrations of copper-based ATRP catalysts. Herein, eATRP of ionic liquid monomer (ILM), 1-vinyl-3-propionate imidazolium tetrafluoroborate (VPI+BF4-), containing carboxylic acid groups is inquired in aqueous media. In the polymerization process of water-soluble VPI+BF4-, the protonation and dissociation of catalysts have great influence on the polymerization reaction. Various polymerization parameters, including applied potential (Eapp), pH, d.p. (DP) (from 100 to 300), and the catalyst concentration (from 5 × 10-4 to 1.5 × 10-3 M) are examined Under certain polymerization conditions, poly(ionic liquids) (PILs) with a well-controlled MWs and narrow Dj are obtained. The controlled/living property of the polymerization process is reflected by the linear first-order kinetics, linear increase of MWs with monomer conversion, and the probability of complete reactivation of the polymerization by repetitively altering the Eapp values. This work provides a new perspective for the precise synthesis of PIL-based block copolymers with adjustable properties; meanwhile, the eATRP of monomer containing carboxylic acid groups is expected to develop functional materials with pH responsiveness and biocompatibility.

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Schulz, Andreas S.; Harteveld, Cornelis A. M.; Vancso, G. Julius; Huskens, Jurriaan; Cloetens, Peter; Vos, Willem L. published an article about the compound: Cupric bromide( cas:7789-45-9,SMILESS:[Cu+2].[Br-].[Br-] ).COA of Formula: Br2Cu. 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:7789-45-9) through the article.

It is a major outstanding goal in nanotechnol. to precisely position functional nanoparticles, such as quantum dots, inside a three-dimensional (3D) nanostructure in order to realize novel functions. Once the 3D positioning is performed, the challenge arises how to non-destructively verify where the nanoparticles reside in the 3D nanostructure. Here, we study 3D photonic band gap crystals made of Si that are infiltrated with PbS nanocrystal quantum dots. The nanocrystals are covalently bonded to polymer brush layers that are grafted to the Si-air interfaces inside the 3D nanostructure using surface-initiated atom transfer radical polymerization (SI-ATRP). The functionalized 3D nanostructures are probed by synchrotron X-ray fluorescence (SXRF) tomog. that is performed at 17 keV photon energy to obtain large penetration depths and efficient excitation of the elements of interest. Spatial projection maps were obtained followed by tomog. reconstruction to obtain the 3D atom d. distribution with 50 nm voxel size for all chem. elements probed: Cl, Cr, Cu, Ga, Br, Pb. The quantum dots are found to be positioned inside the 3D nanostructure, and their positions correlate with the positions of elements characteristic of the polymer brush layer and the ATRP initiator. We conclude that X-ray fluorescence tomog. is very well suited to non-destructively characterize 3D nanomaterials with photonic and other functionalities.

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Reference:
Oxazolidine – Wikipedia,
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