Category: 101-84-8

An article Copper-catalyzed synthesis of phenol and diaryl ether derivatives via hydroxylation of diaryliodoniums WOS:000475483100055 published article about ONE-POT SYNTHESIS; ARYL HALIDES; ARYLBORONIC ACIDS; C-H; BENZOFURAN DERIVATIVES; OXIDATION; ARYLATION; SALTS; WATER; MILD in [Ye, Lianbao; Han, Chao; Shi, Peiqi; Gao, Wei] Guangdong Pharmaceut Univ, Sch Pharm, Guangzhou 510006, Guangdong, Peoples R China; [Mei, Wenjie] Guangdong Pharmaceut Univ, Guangdong Prov Engn Technol Ctr Mol Probes & Biom, Guangzhou 510006, Guangdong, Peoples R China in 2019, Cited 53. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Category: ethers-buliding-blocks

A copper-catalysed hydroxylation of diaryliodoniums to generate phenols and diaryl ethers is reported. This method allows the synthesis of diversely functionalized phenols under mild reaction conditions without the need for a strong inorganic base or an expensive noble-metal catalyst. Significantly, convenient application of diaryliodoniums is demonstrated in the preparation of diaryl ethers in a one-pot operation.

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An article A novel management strategy for removal and degradation of polybrominated diphenyl ethers (PBDEs) in waste printed circuit boards WOS:000494887900021 published article about SUPERCRITICAL METHANOL; REDUCTIVE DEBROMINATION; PRECIOUS METALS; WATER; OIL; TRANSESTERIFICATION; PATHWAYS; KINETICS; RECOVERY; ESTERIFICATION in [Xiu, Fu-Rong; Yu, Xuan; Qi, Yingying; Li, Yifan; Lu, Yongwei; Wang, Yixiao; He, Jiahuan; Zhou, Ke; Song, Zhiqi; Gao, Xiang] Xian Univ Sci & Technol, Coll Geol & Environm, Xian 710054, Shaanxi, Peoples R China; [Xiu, Fu-Rong; Qi, Yingying; Gao, Xiang] Shaanxi Prov Key Lab Geol Support Coal Green Expl, Xian 710054, Shaanxi, Peoples R China in 2019.0, Cited 38.0. Recommanded Product: Diphenyl oxide. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

Waste printed circuit boards (PCBs) contain a high level of brominated flame retardants (BFRs), among which polybrominated biphenyl ethers (PBDEs) are the most widely used additive BFRs. PBDEs are considered to be a type of persistent organic pollutants (POPS). The efficient removal/degradation of PBDEs in waste PCBs is an urgent problem in electronic waste treatment, but the degradation of PBDEs is a great challenge due to their extreme stability and persistence in nature. In this study, a novel management strategy was developed for removal and degradation of PBDEs in waste PCBs by using a simple subcritical methanol (SubCM) process. The results showed that reaction temperature, residence time, solid-to-liquid ratio, and additive NaOH are key factors influencing the removal of PBDEs from waste PCBs. Under optimal conditions (200 degrees C, 60 min, 1:20 g/mL), the removal efficiency of Sigma(8) PBDEs from waste PCBs could reach 91.3% and 98.8% for the proposed process of SubCM and SubCM + NaOH, respectively. When the temperature is below 200 degrees C, highly brominated PBDEs congeners in waste PCBs were degraded into 2,’3,4′,6-Tetrabromodiphenyl ether (BDE71) and 2,4,4′-Tribromodiphenyl ether (BDE28) after SubCM treatment. 4-Bromophenyl ether (BDE4) and diphenyl ether were generated by the further debromination of BDE71 and BDE28 with the increase of treatment temperature. The debromination temperature of PBDEs congeners in SubCM could be markedly lowered by adding 4 g/L of NaOH. The complete debromination of PBDEs congeners in waste PCBs could be achieved at 300 degrees C and 250 degrees C for the developed process of SubCM and SubCM + NaOH, respectively. (C) 2019 Elsevier Ltd. All rights reserved.

Welcome to talk about 101-84-8, If you have any questions, you can contact Xiu, FR; Yu, X; Qi, YY; Li, YF; Lu, YW; Wang, YX; He, JH; Zhou, K; Song, ZQ; Gao, X or send Email.. Recommanded Product: Diphenyl oxide

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Recently I am researching about CATALYTIC TRANSFER HYDROGENOLYSIS; TRANSFER HYDROGENATION; CHEMICALS; MONTMORILLONITE; DEPOLYMERIZATION; LIGNOCELLULOSE; TRANSFORMATION; FRACTIONATION; NANOPARTICLES; CONVERSION, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21773307, 21873012] Funding Source: Medline. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Xue, ZM; Yu, HT; He, J; Zhang, YB; Lan, X; Liu, RD; Zhang, LY; Mu, TC. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide. Recommanded Product: 101-84-8

Cleavage of ether bonds is a crucial but challenging step for lignin valorization. To efficiently realize this transformation, the development of robust catalysts or catalytic systems is required. In this study, montmorillonite (MMT)-supported Ru (denoted as Ru/MMT) is fabricated as a dual-functional heterogeneous catalyst to cleave various types of ether bonds through transfer hydrogenolysis without using any additional acids or bases. The prepared Ru/MMT material is found to efficiently catalyze the cleavage of various lignin models and lignin-derived phenols; cyclohexanes (fuels) and cyclohexanols (key intermediates) are the main products. The synergistic effect between electron-enriched Ru and the acidic sites on MMT contributes to the excellent performance of Ru/MMT. Systematic studies reveal that the reaction proceeds through two possible reaction pathways, including the direct cleavage of ether bonds and the formation of intermediates with one hydrogenated benzene ring, for all examined types of ether bonds, namely, 4-O-5, alpha-O-4, and beta-O-4.

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An article Synergistic Effects of Processing Additives and Thermal Annealing on Nanomorphology and Hole Mobility of Poly(3-hexylthiophene) Thin Films WOS:000457202000112 published article about HETEROJUNCTION SOLAR-CELLS; CHARGE-TRANSPORT; REGIOREGULAR POLY(3-HEXYLTHIOPHENE); PHOTOVOLTAIC CELLS; POLYMER; MORPHOLOGY; EFFICIENCY; PERFORMANCE; TRANSISTORS; FULLERENE in [Park, Min Soo; Kim, Felix Sunjoo] Chung Ang Univ, Sch Chem Engn & Mat Sci, Seoul 06974, South Korea in 2019.0, Cited 41.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Computed Properties of C12H10O

Control of the nanoscale molecular ordering and charge-carrier mobility of poly(3-hexylthiophene-2,5-diyl) (P3HT) was achieved by the combined use of processing additives and thermal annealing. Evaluation of four processing additives (1,8-octanedithiol (ODT), diphenyl ether (DPE), 1-chloronaphthalene (CN), and 1,8-diiodooctane (DIO), which are commonly used for the fabrication of organic solar cells, revealed that the nanoscale molecular ordering and, therefore, the charge-carrier mobility, are largely affected by the additives, as demonstrated by spectral absorption, X-ray diffraction, and atomic force microscopy. Thermal annealing selectively influenced the morphological changes, depending on the solubility of P3HT in the additive at high temperature. In the case of CN, in which P3HT can be dissolved at moderate temperature, significant molecular ordering was observed even without thermal annealing. For DIO, in which P3HT is only soluble at elevated temperature, the mobility reached 1.14 x 10(-1) cm(2) V-1 s(-1) only after annealing. ODT and DPE were not effective as processing additives in a single-component P3HT. This study provides insight for designing the processing conditions to control the morphology and charge-transport properties of polymers.

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Authors Dehury, P; Mahanta, U; Banerjee, T in AMER CHEMICAL SOC published article about HEAT-TRANSFER; IONIC LIQUIDS; MOLECULAR-DYNAMICS; FORCED-CONVECTION; MOLTEN-SALT; SOLVENTS; CONDUCTIVITY; EXTRACTION; INSIGHTS; PH in [Dehury, Pyarimohan; Mahanta, Upasana; Banerjee, Tamal] Indian Inst Technol Guwahati, Dept Chem Engn, Gauhati 781039, Assam, India in 2020.0, Cited 54.0. Quality Control of Diphenyl oxide. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

The current work explores deep eutectic solvents (DESs) as heat transfer fluids (HTFs) primarily for generating concentrated solar power. The eutectic composition of the DES comprising diphenyl ether and DL-menthol as the hydrogen bond acceptor and hydrogen bond donor was initially computed through the quantum chemical-based COSMO-SAC model. To improve upon the thermal performance and reduce the interfacial resistance, DESs were modified by dispersing hexagonal boron nitride nanoparticles with weight percent ranging from 0.02 to 0.10. Thermophysical properties, namely, density, viscosity, thermal conductivity, and heat capacity, of the HTFs were then measured as a function of temperature. Further, based on these four parameters, the Mouromtseff number (Mo) was calculated to rank the nanoparticle-dispersed DESs. The nanofluid consisting of DES-1 with 0.02 wt % of nanoparticles gave the highest Mo value, and hence, it was further considered for the experimental forced convection study and process simulation using an Aspen Plus simulator. From the forced convection experiment temperature profiles, the heat transfer coefficient and Nusselt number (Nu) were evaluated and compared for nanofluids with the corresponding base fluid. The flow behavior of the thermal fluid along the characteristic length of the test section was investigated for both the laminar and turbulent regimes. The effectiveness of the HTF in terms of steam generation capacity was predicted, and it was observed that the nanofluid with 0.02 wt % was able to successfully convert 100% of the input water (15 kg/h) into superheated steam at the temperature of 494.15 K.

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Recommanded Product: Diphenyl oxide. In 2020.0 MAR POLLUT BULL published article about PEARL RIVER DELTA; POLYBROMINATED DIPHENYL ETHERS; CHAIN CHLORINATED PARAFFINS; PERSONAL CARE PRODUCTS; ALTERNATIVE FLAME RETARDANTS; ORGANIC UV-FILTERS; SPATIAL-DISTRIBUTION; PHTHALATE-ESTERS; FRESH-WATER; PERFLUOROALKYL SUBSTANCES in [Farzana, Shazia; Ruan, Yuefei; Wang, Qi; Wu, Rongben; Kai, Zhang; Meng, Yan; Leung, Kenneth M. Y.; Lam, Paul K. S.] City Univ Hong Kong, State Key Lab Marine Pollut SKLMP, Hong Kong, Peoples R China; [Wang, Qi; Wu, Rongben; Lam, Paul K. S.] City Univ Hong Kong, Dept Chem, Hong Kong, Peoples R China; [Leung, Kenneth M. Y.] Univ Hong Kong, Swire Inst Marine Sci, Pokfulam Rd, Hong Kong, Peoples R China; [Leung, Kenneth M. Y.] Univ Hong Kong, Sch Biol Sci, Pokfulam Rd, Hong Kong, Peoples R China; [Ruan, Yuefei; Kai, Zhang; Meng, Yan; Leung, Kenneth M. Y.; Lam, Paul K. S.] Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai, Peoples R China in 2020.0, Cited 129.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.

This study aimed to establish marine water quality criteria (MWQC) for emerging chemicals of concern (ECCs) for protecting aquatic life in the Greater Bay Area (GBA) of South China. Despite the frequent occurrence and elevated concentrations of these ECCs in the GBA, there is a lack of regional MWQC for these contaminants. We screened 21 common ECCs that were classified into the following six groups: (1) new persistent organic contaminants; (2) brominated flame retardants; (3) perfluoroalkyl and polyfluoroalkyl substances; (4) pharmaceutically active compounds (PhACs); (5) plasticizers; and (6) personal care products. Globally, MWQC for PhACs remain largely unavailable despite their increasing occurrence in marine environments. Using an integrative scientific approach, we derived interim MWQC for the GBA with specific protection goals. The approach described herein can be applied for the derivation of MWQC for ECCs and the establishment of guidelines for ecological risk assessment in the GBA and other regions.

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Bondarenko, OB; Karetnikov, GL; Komarov, AI; Pavlov, AI; Nikolaeva, SN in [Bondarenko, Oksana B.; Karetnikov, Georgy L.; Komarov, Arseniy, I; Pavlov, Aleksandr, I; Nikolaeva, Svetlana N.] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia published R(4)NHal/NOHSO4: A Usable System for Halogenation of Isoxazoles, Pyrazoles, and Beyond in 2021.0, Cited 58.0. COA of Formula: C12H10O. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.

A new convenient and versatile halogenating system (R(4)NHal/NOHSO4), giving straightforward and general access to halogenated 3,5-diaryl- and alkylarylisoxazoles, pyrazoles and electron-rich benzenes from the corresponding scaffolds, is suggested. The method provides excellent regioselectivity, scalability to the gram scale, and a broad scope for both aromatics and halogens. A three-step, one-pot reaction protocol was developed, and a series of 3,5-diaryl-4-haloisoxazoles has been efficiently synthesized from 1,2-diarylcyclopropanes under suggested nitrosating-halogenating conditions.

COA of Formula: C12H10O. Bye, fridends, I hope you can learn more about C12H10O, If you have any questions, you can browse other blog as well. See you lster.

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In 2020.0 ORG LETT published article about DEOXYFLUORINATION; ARYL; FLUORINATION; F-18-FLUORINATION; PHENOLS in [Wang, Li; Chen, Wei; Wu, Zhanhong; Li, Zibo] Univ N Carolina, Dept Radiol, Biomed Res Imaging Ctr, Chapel Hill, NC 27514 USA; [Wang, Li; Chen, Wei; Wu, Zhanhong; Li, Zibo] Univ N Carolina, UNC Lineberger Comprehens Canc Ctr, Chapel Hill, NC 27514 USA; [White, Alexander R.; Nicewicz, David A.] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA in 2020.0, Cited 22.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Product Details of 101-84-8

Herein, we describe an organic photoredox system for direct arene C-H radiofluorination, using a peroxide oxidizing agent and LEDs as the light source. In conjunction with an optimized photocatalyst and a microtubing reactor, this system is applicable to a range of electron-rich aromatics and heteroaromatics. We also demonstrate the feasibility of C-H radiofluorination without an azeotropic drying step, which greatly simplifies the workflow of the labeling process.

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Category: ethers-buliding-blocks. I found the field of Science & Technology – Other Topics; Materials Science very interesting. Saw the article Solution-Processed Ultrathin SnS2-Pt Nanoplates for Photoelectrochemical Water Oxidation published in 2019.0, Reprint Addresses Cabot, A (corresponding author), IREC, Barcelona 08930, Spain.; Cabot, A (corresponding author), ICREA, Pg Lluis Co 23, Barcelona 08010, Spain.. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide.

Tin disulfide (SnS2) is attracting significant interest because of the abundance of its elements and its excellent optoelectronic properties in part related to its layered structure. In this work, we specify the preparation of ultrathin SnS2 nanoplates (NPLs) through a hot-injection solution-based process. Subsequently, Pt was grown on their surface via in situ reduction of a Pt salt. The photoelectrochemical (PEC) performance of such nanoheterostructures as photoanode toward water oxidation was tested afterwards. Optimized SnS2-Pt photoanodes provided significantly higher photocurrent densities than bare SnS2 and SnS2-based photoanodes of previously reported study. Mott-Schottky analysis and PEC impedance spectroscopy (PEIS) were used to analyze in more detail the effect of Pt on the PEC performance. From these analyses, we attribute the enhanced activity of SnS2-Pt photoanodes reported here to a combination of the very thin SnS2 NPLs and the proper electronic contact between Pt nanoparticles (NPs) and SnS2.

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An article Polybrominated diphenyl ethers (PBDEs) pollution in soil of a highly industrialized region (Dilovasi) in Turkey: concentrations, spatial and temporal variations and possible sources WOS:000473172300005 published article about ORGANIC POLLUTANTS POPS; SOURCE APPORTIONMENT; DRY DEPOSITION; AREA; EXCHANGE; KOCAELI; IZMIR; DEBROMINATION; DISTRIBUTIONS; WASTE in [Cetin, Banu] GTU, Environm Engn Dept, TR-41400 Kocaeli, Turkey; [Yurdakul, Sema] Suleyman Demirel Univ, Environm Engn Dept, TR-32260 Isparta, Turkey; [Odabasi, Mustafa] Dokuz Eylul Univ, Environm Engn Dept, Fac Engn, Tinaztepe Campus, TR-35160 Izmir, Turkey in 2019.0, Cited 32.0. Safety of Diphenyl oxide. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

In this study, polybrominated diphenyl ethers (PBDEs) levels in soil were studied for a whole year in highly industrialized region of Turkey (Dilovasi) at 23 sampling sites. Sigma 8PBDE concentrations were between 0.15 and 286 mu g kg(-1) and the overall average concentration was 14.45 +/- 25.07 g kg(-1) (average +/- SD). BDE-209 was the most abundant compound. PBDEs concentrations decreased spatially as follows: industrial/urban > urban > suburban > rural. However, there was not any significant seasonal trend except for some industrial/urban sites. In the region, calm weather conditions prevailed during the sampling periods, enhancing the impact of the industrial emissions on nearby soil concentrations by atmospheric deposition without being diluted by winds. All congeners had significant but weak correlations with soil organic matter content indicating the impact of nearby sources rather than soil properties on soil PBDEs concentrations at the sampling sites. Positive matrix factorization method was also used for the apportionment of the PBDEs sources in Dilovasi soil. Industrial activities (i.e., iron-steel production, metallurgical processes, and recycling of plastics), traffic, and residential areas were found to be the primary sources of the measured PBDEs in the soil.

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