Category: ethers-buliding-blocks

On July 13, 2004, Cho, Nam Sung; Hwang, Do-Hoon; Jung, Byung-Jun; Lim, Eunhee; Lee, Jaemin; Shim, Hong-Ku published an article.Computed Properties of 146370-51-6 The title of the article was Synthesis, characterization, and electroluminescence of new conjugated polyfluorene derivatives containing various dyes as comonomers. And the article contained the following:

Four new fluorene-based alternating polymers (PFR1-S, PFR2-S, PFR3-S, and PFR4-S) containing different comonomers, i.e., 2,5-bis{2-(4′-bromophenyl)-1-cyanovinyl}-2-(2′-ethylhexyloxy)-5-methoxybenzene (R1), 2,5-bis{2-(4′-bromophenyl)-2-cyanovinyl}-2-(2′-ethylhexyloxy)-5-methoxybenzene (R2), 2,5-bis{2-(4′-bromothienyl)-1-cyanovinyl}-2-(2′-ethylhexyloxy)-5-methoxybenzene (R3), and 2,5-bis{2-(4′-bromothienyl)-2-cyanovinyl}-2-(2′-ethylhexyloxy)-5-methoxybenzene (R4), were designed, synthesized, and characterized. These polymers were thermally stable and readily soluble in common organic solvents. Single layer LED devices fabricated from these polymers emitted bluish green to pure red light. The color of the light emitted by the homopolymer, poly(9,9-dioctylfluorene-2,7-diyl) (PDOF), can be tuned by incorporating R1, R2, R3, and R4 comonomers, which have narrower band gaps. The absorption and emission maxima of the copolymers varied according to the position of the cyano group in the vinylene unit (α- or β-position) and the type of incorporated aromatic group (thiophene or phenylene). Notably, PFR4-S, prepared from R4 and 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9′-dioctylfluorene, showed pure red emission (CIE coordinate values x, y = 0.66 and 0.33, resp.) that is almost identical to the standard red (0.66, 0.34) demanded by the National Television System Committee. PFR3-S also exhibited pure red emission (chromaticity values x, y = 0.63 and 0.38, resp.), and its maximum luminance and maximum external quantum efficiency were approx. 3100 cd/m2 at 6 V and 0.46% at 4 V, resp. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).Computed Properties of 146370-51-6

The Article related to conjugated alternating polymer fluorene derivative dye comonomer, Chemistry of Synthetic High Polymers: Organic Condensation and Step Polymerization and other aspects.Computed Properties of 146370-51-6

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Ether | (C2H5)2O – PubChem

On June 25, 2009, Ikeda, Koichi; Kouzai, Hiroaki published an article.SDS of cas: 146370-51-6 The title of the article was Synthesis of polyazomethine having naphthalene structure in the main chain. And the article contained the following:

We have synthesized aldehyde compounds with branched methylene groups by a LiCl catalyst. The number-average mol. weight and the weight-average mol. weight of the polymer, determined by MS, were 6.5 × 103 and 6.5 × 103, resp. The synthesized polymer showed a photoluminescence peak at 447 nm. However, the fluorescent strength did not show enough fluorescence. The TGA measurements of the polymer, showed that the polymer had a high thermal stability with a 10% thermal weight loss initiation temperature of 390°. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).SDS of cas: 146370-51-6

The Article related to polyazomethine naphthalene thermal stability photoluminescence, Chemistry of Synthetic High Polymers: Organic Condensation and Step Polymerization and other aspects.SDS of cas: 146370-51-6

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Ether – Wikipedia,
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On February 28, 2009, Kim, Jung-Sik; Heo, Jun; Kang, Pengtao; Kim, Jin Hak; Jung, Sung Ouk; Kwon, Soon-Ki; Kim, Un-Kyung; Kim, Yun-Hi published an article.Recommanded Product: 146370-51-6 The title of the article was Synthesis and characterization of organic light-emitting copolymers containing naphthalene. And the article contained the following:

Conjugated PPV-derived block copolymers containing 2-ethylhexyloxynaphthalene unit were synthesized and characterized in this study. The resulting polymers were soluble in common organic solvents and showed good thermal stabilities. The weight-average mol. weights (Mw) of the copolymers ranged from 246,000 to 475,000 with PDIs of 1.3∼2.1. The optical properties of these polymers, measured both in a chloroform solution and on a film, showed a maximum absorption at 405∼476 nm for Copolymers I∼VIII. In the PL spectra, Copolymers I∼VIII showed maximum peaks at 510∼566 nm. The HOMOs, LUMOs and band gaps of the PPV derivatives of Copolymers I∼VIII were 5.30∼5.77, 3.04∼3.24, and 2.5∼2.2 eV, resp. The multi-layered, light-emitting diodes of ITO/PEDOT/copolymers/LiF/Al exhibited turn-on voltages of 6∼2.5 V. Copolymer VIII exhibited the maximum brightness of 3657 cd/m2. Particularly, Copolymer VII, with an identical composition of MEH-PPV and naphthalene-PPV, showed a maximum luminance efficiency and power efficiency of 2.63 cd/A and 1.06 lm/W, resp. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).Recommanded Product: 146370-51-6

The Article related to electroluminescent device thermal stability homo lumo oled, Chemistry of Synthetic High Polymers: Organic Condensation and Step Polymerization and other aspects.Recommanded Product: 146370-51-6

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Ether – Wikipedia,
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On February 22, 2017, Li, Zhengming; Xie, Yongtao; Zhou, Sha published a patent.Recommanded Product: 53136-21-3 The title of the patent was Process for the preparation of sulfoximine compounds from thioether. And the patent contained the following:

The invention relates to one step process for the preparation of sulfoximine compounds of formula R1SO(NH)R2 [R1, R2 = C1-20alkyl, (un)substituted aryl, (un)substituted alkenyl and alkynyl] via oxidation of R1SR2 in the presence of ammonia source (ammonium chloride, ammonium nitrate, etc.). For example, S-methyl-S-phenylsulfoxime was prepared via oxidation of Me Ph sulfide with iodobenzene diacetic acid in the presence of ammonium acetate. The experimental process involved the reaction of Benzyl(4-bromophenyl)sulfane(cas: 53136-21-3).Recommanded Product: 53136-21-3

The Article related to sulfoximine preparation thioether oxidation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Sulfoxides and Sulfones and other aspects.Recommanded Product: 53136-21-3

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Shankar, Jaya Seeli; Kumar, Sangeetha Ashok; Periyasami, Bhuvana K.; Nayak, Sanjay K. published an article in 2020, the title of the article was Mechanism of photoinduced charge transfer at MEH-PPV and titanium dioxide nanoparticle interface.Recommanded Product: 1-((2-Ethylhexyl)oxy)-4-methoxybenzene And the article contains the following content:

In this study, we investigated mechanisms of photoinduced electron transfer from a conjugated polymer poly(2-methoxy-5-(2-ethylhexyloxy)1,4-phenylenevinylene) (MEH-PPV) to titanium dioxide (TiO2) nanoparticles (acceptor) through steady-state photoluminescence (PL) spectroscopy. Since mixed phase TiO2 has better photocatalytic compared to single phase, it is an efficient charge separation process during photoexcitation of polymer nanocomposites by incorporating the mixed phase TiO2 nanoparticles into the MEH-PPV polymer matrix through in situ polymerization Structural characterization revealed only phys. interaction between the polymer matrix and dispersed nanoparticles. The absorbance spectra of nanocomposites also indicated the absence of ground state complex formation. Luminescence quenching of polymer nanocomposites compared to pristine MEH-PVV signifies the charge transfer taking place at the MEH-PPV/TiO2 interfaces. Thus, the MEH-PPV/ mixed phase TiO2 nanocomposite serves as an active layer for photovoltaic application. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).Recommanded Product: 1-((2-Ethylhexyl)oxy)-4-methoxybenzene

The Article related to polymethoxyethylhexyloxyphenylenevinylene titanium dioxide nanoparticle interface photoinducing charge transfer, Optical, Electron, and Mass Spectroscopy and Other Related Properties: Luminescence and other aspects.Recommanded Product: 1-((2-Ethylhexyl)oxy)-4-methoxybenzene

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Ether – Wikipedia,
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Coulomb, Julien; Certal, Victor; Larraufie, Marie-Helene; Ollivier, Cyril; Corbet, Jean-Pierre; Mignani, Gerard; Fensterbank, Louis; Lacote, Emmanuel; Malacria, Max published an article in 2009, the title of the article was Intramolecular Homolytic Substitution of Sulfinates and Sulfinamides.Formula: C8H10BrNO And the article contains the following content:

A general and efficient method for the synthesis of cyclic sulfinates and sulfinamides based on intramol. homolytic substitution (SHi) at the sulfur atom by aryl or alkyl radicals is described. Both alkyl and benzofused compounds can be accessed directly from easily prepared acyclic precursors. Enantiomerically enriched sulfur-based heterocycles were formed through an SHi process with inversion of configuration at the sulfur atom. Cyclization of prochiral radicals proceeded with varying stereochem. outcomes, depending on the size of the incoming radical. 2-Pyridyl and 2-quinolyl radicals led to biaryl compounds, which result from attack onto the ortho position of the arylsulfinate rather than a thiophilic substitution. The experimental process involved the reaction of (2-Bromo-5-methoxyphenyl)methanamine(cas: 887581-09-1).Formula: C8H10BrNO

The Article related to intramol homolytic substitution sulfinate sulfinamide oxathiolane isothiazolidine preparation, Heterocyclic Compounds (More Than One Hetero Atom): Dioxoles, Oxathioles, Dithioles and other aspects.Formula: C8H10BrNO

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Ether – Wikipedia,
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On September 17, 1992, Heeger, Alan J.; Braun, David published a patent.SDS of cas: 146370-51-6 The title of the patent was Visible-light-emitting diodes fabricated from soluble semiconducting polymers and their fabrication. And the patent contained the following:

The title diodes are provided with a layer of a conjugated polymer which is cast directly from solution or formed as a gel-processed mixture with a carrier polymer. The fabrication may be accomplished under conditions which produce an oriented free-standing film in which the conjugated polymer is chain-aligned in a manner which results in polarized luminescence. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).SDS of cas: 146370-51-6

The Article related to polarized visible led conjugated polymer, electroluminescent device conjugated polymer, Optical, Electron, and Mass Spectroscopy and Other Related Properties: Luminescence and other aspects.SDS of cas: 146370-51-6

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On April 13, 2004, Kim, Yun-Hi; Ahn, Jun-Hwan; Shin, Dong-Cheol; Kwon, Soon-Ki published an article.HPLC of Formula: 146370-51-6 The title of the article was Synthesis and characterization of poly(terphenylenevinylene) derivatives containing alkoxy substituents and (or) phenyl pendant group. And the article contained the following:

The blue electroluminescent polymers, poly(terphenylenevinylene) derivatives that have advantages of PPP and PPV, were prepared by Suzuki coupling reaction. The structure and properties of the polymers were analyzed by various spectroscopic methods. Poly(MHTPPV) and poly(TPPV) with Ph pendant group in a vinyl bridge showed blue shifted absorption spectra, large band gap and enhanced thermal stability as compared with that of poly(MHTPV). The PL spectra of the films of the polymers showed maximum peaks at 450-460 nm, which are pure blue emissions. The blue electroluminescence (λmax=450-460 nm) was obtained with the turn on voltage of 8-10 V, when the simple light-emitting diodes of ITO/polymer/Al were fabricated. The excimer emission due to interchain interaction was reduced by the introduction of substituents into the vinyl bridge and (or) the main chain. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).HPLC of Formula: 146370-51-6

The Article related to synthesis polyterphenylenevinylene derivative alkoxy substituent phenyl pendant group, Optical, Electron, and Mass Spectroscopy and Other Related Properties: Luminescence and other aspects.HPLC of Formula: 146370-51-6

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

On December 1, 2020, Solomonov, Boris N.; Yagofarov, Mikhail I. published an article.Synthetic Route of 91-16-7 The title of the article was An approach for the calculation of vaporization enthalpies of aromatic and heteroaromatic compounds at 298.15 K applicable to supercooled liquids. And the article contained the following:

An approach for the calculation of the vaporization enthalpies of aromatic and heteroaromatic compounds at T = 298.15 K with accuracy competitive with experiment was proposed. The vaporization enthalpies may be calculated from the solution enthalpies of liquid and solvation enthalpies in benzene. The solution enthalpies of liquids were shown to be constant within a given type of aromatic compounds For a set of 67 liquid and 41 solid aromatic and heteroaromatic compounds not capable of intermol. hydrogen bonding, it was exptl. demonstrated that the solution enthalpies of liquids or supercooled liquids in benzene were equal to 1 ± 1 kJ·mol-1. The way to consider intermol. hydrogen bonding, e.g., in phenol, aniline, pyrrole derivatives, was also proposed. The methods for solvation enthalpy calculation were proposed previously. The calculated and literature vaporization enthalpies values of 415 aromatic and heteroaromatic compounds were compared. Average absolute deviation amounted to 1.3 kJ·mol-1. The proposed approach is especially valuable for calculation of the vaporization enthalpies of low-volatile compounds, including those solid at T = 298.15 K. The experimental process involved the reaction of 1,2-Dimethoxybenzene(cas: 91-16-7).Synthetic Route of 91-16-7

The Article related to aromatic heteroaromatic compound supercooled liquid vaporization enthalpy calculation, Phase Equilibriums, Chemical Equilibriums, and Solutions: Nonelectrolytic Solutions and other aspects.Synthetic Route of 91-16-7

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Plavich, M. L.; Zubov, V. P.; Borisov, A. G.; Plavich, L. A.; Korsakov, V. S. published an article in 2004, the title of the article was Technologies for preparation of stable monochrome displays based on organic electroluminescent materials.SDS of cas: 146370-51-6 And the article contains the following content:

OLEDs were prepared consisting of an ITO anode, PNAB hole-transport layer, organic luminophor [e.g., Alq3 or poly(phenylenevinylenes)], and two-layer cathode comprising an Al/Ca alloy (≤10% Ca) and a pure Al layer. Current-voltage (5-6 V threshold) and intensity-current relationships were given. The experimental process involved the reaction of 1-((2-Ethylhexyl)oxy)-4-methoxybenzene(cas: 146370-51-6).SDS of cas: 146370-51-6

The Article related to organic electroluminescent display aluminum complex polyphenylenevinylene luminophor, Optical, Electron, and Mass Spectroscopy and Other Related Properties: Luminescence and other aspects.SDS of cas: 146370-51-6

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem