Month: January 2022

Application In Synthesis of Diphenyl oxide. Authors Martinez-Merino, P; Midgley, SD; Martin, EI; Estelle, P; Alcantara, R; Sanchez-Coronilla, A; Grau-Crespo, R; Navas, J in AMER CHEMICAL SOC published article about in [Martinez-Merino, Paloma; Alcantara, Rodrigo; Navas, Javier] Univ Cadiz, Fac Ciencias, Dept Quim Fis, E-11510 Puerto Real, Spain; [Midgley, Scott D.; Grau-Crespo, Ricardo] Univ Reading, Dept Chem, Reading RG6 6AD, Berks, England; [Martin, Elisa I.; Sanchez-Coronilla, Antonio] Univ Seville, Fac Quim, Dept Ingn Quim, E-41012 Seville, Spain; [Martin, Elisa I.; Sanchez-Coronilla, Antonio] Univ Seville, Fac Farm, Dept Quim Fis, E-41012 Seville, Spain; [Estelle, Patrice] Univ Rennes, LGCGM, EA3913, F-35000 Rennes, France in 2020.0, Cited 0.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

Nano-colloidal suspensions of nanomaterials in a fluid, nanofluids, are appealing because of their interesting properties related to heat transfer processes. While nanomaterials based on transition metal chalcogenides (TMCs) have been widely studied in catalysis, sensing, and energy storage applications, there are few studies of nanofluids based on TMCs for heat transfer applications. In this study, the preparation and analysis of nanofluids based on 2D-WS2 in a typical heat transfer fluid (HTF) used in concentrating solar power (CSP) plants are reported. Nanofluids prepared using an exfoliation process exhibited well-defined nanosheets and were highly stable. The nanofluids were characterized in terms of properties related to their application in CSP. The presence of WS2 nanosheets did not modify significantly the surface tension, the viscosity, or the isobaric specific heat, but the thermal conductivity was improved by up to 30%. The U-r factor, which characterizes the thermal efficiency of the fluid in the solar collector, shows an enhancement of up to 22% in the nanofluid, demonstrating great promise for CSP applications. The Reynolds number and friction factor of the fluid were not significantly modified by the addition of the nanomaterial to the HTF, which is also positive for practical applications in CSP plants. Ab initio molecular dynamics simulations of the nanoparticle/fluid interface showed an irreversible dissociative adsorption of diphenyl oxide molecules on the WS2 edge, with very low kinetic barrier. The resulting decoration of the WS2 edge dramatically affects the nature of the interface interactions and is therefore expected to affect significantly the rheological and transport properties of the nanofluids.

Application In Synthesis of Diphenyl oxide. Welcome to talk about 101-84-8, If you have any questions, you can contact Martinez-Merino, P; Midgley, SD; Martin, EI; Estelle, P; Alcantara, R; Sanchez-Coronilla, A; Grau-Crespo, R; Navas, J or send Email.

Reference:
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Recently I am researching about IRON-SILICON BOND; SILYL COMPLEXES; CYCLIC ETHERS; TRANSITION; CLEAVAGE; PALLADIUM; ALKYL; ARYL; HYDROSILATION; MECHANISM, Saw an article supported by the U.S. Army Research Office (ARO) [W911NF-15-2-0119]; National Science FoundationNational Science Foundation (NSF) [CHE-1726291]. Quality Control of Diphenyl oxide. Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Wierschen, AL; Romano, N; Lee, SJ; Gagne, MR. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide

The synthesis and characterization of the room-temperature and solution-stable silylpalladium cations (PCy3)(2)Pd-SiR3+(C6F5)(4)B- (SiR3 = SiMe2Et, SiHEt2) and (Xantphos)Pd-SiR3+(BAr4f) (SiR3 = SiMe2Et, SiHEt2; Xant-phos = 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; BAr4f = (3,5-(CF3)(2)C6H3)(4)B-) are reported. Spectroscopic and ligand addition experiments suggest that silylpalladium complexes of the type (PCy3) Pd-SiR3+ are three-coordinate and T-shaped. Addition of dialkyl ethers to both the PCy3 and Xantphos-based silylpalladium cations resulted in the cleavage of C(sp(3))-O bonds and the generation of cationic Pd-alkyl complexes. Mechanistically enabling is the ability of silylpalladium cations to behave as sources of both electrophilic silylium ions and nucleophilic LnPd(0).

Welcome to talk about 101-84-8, If you have any questions, you can contact Wierschen, AL; Romano, N; Lee, SJ; Gagne, MR or send Email.. Quality Control of Diphenyl oxide

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An article Regioselective Arene C-H Alkylation Enabled by Organic Photoredox Catalysis WOS:000527854000018 published article about BOND FUNCTIONALIZATION; CATION RADICALS; HETEROARENES; AMINATION; INSERTION in [Holmberg-Douglas, Natalie; Onuska, Nicholas P. R.; Nicewicz, David A.] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA in 2020.0, Cited 29.0. Recommanded Product: 101-84-8. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

Expanding the toolbox of C-H functionalization reactions applicable to the late-stage modification of complex molecules is of interest in medicinal chemistry, wherein the preparation of structural variants of known pharmacophores is a key strategy for drug development. One manifold for the functionalization of aromatic molecules utilizes diazo compounds and a transition-metal catalyst to generate a metallocarbene species, which is capable of direct insertion into an aromatic C-H bond. However, these high-energy intermediates can often require directing groups or a large excess of substrate to achieve efficient and selective reactivity. Herein, we report that arene cation radicals generated by organic photoredox catalysis engage in formal C-H functionalization reactions with diazoacetate derivatives, furnishing sp(2)-sp(3) coupled products with moderate-to-good regioselectivity. In contrast to previous methods utilizing metallocarbene intermediates, this transformation does not proceed via a carbene intermediate, nor does it require the presence of a transition-metal catalyst.

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An article Photocatalytic primary alcohol oxidation on WO3 nanoplatelets WOS:000486208200042 published article about PHOTOREDOX CATALYSIS; SELECTIVE OXIDATION; OXYGEN-EVOLUTION; BENZYL ALCOHOL; OXIDES; WATER; NANOCOMPOSITES; NANOCRYSTALS; BINARY; RUTILE in [McDonald, Kori D.; Bartlett, Bart M.] Univ Michigan, Dept Chem, 930 North Univ Ave, Ann Arbor, MI 48109 USA in 2019, Cited 35. Product Details of 103-50-4. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4

With the aid of direct heating through microwave irradiation in non-aqueous media, nanocrystalline tungsten(vi) oxide is achievable in 30 minutes at 200 degrees C, faster and at a lower temperature than conventional synthesis methods. Forming in a platelet morphology, these particles are as small as 20 nm with a BET surface area of 37 m(2) g(-1) WO3. These nanoplatelets are active for the photocatalytic oxidation of the 1 degrees alcohols benzyl alcohol (rate constant, k of 2.6 x 10(-3) h(-1)) and 5-(hydroxymethyl)-2-furfural (k of 0.01 h(-1)) using 10 mg of WO3 with 2 mL of 0.250 M substrate in acetonitrile and a 150 mW cm(-2) 460 nm blue LED source. As expected, these rate constants are larger than those observed for commercially prepared, micron-sized WO3. XPS analysis shows that during catalysis, the concentration of W5+ on the surface increases, but the nanoplatelets are stable under these reaction conditions. The overall morphology and size of the particles are retained through the reactions. Moreover, the nanoplatelets are recyclable-showing no loss in activity for four reaction cycles.

Welcome to talk about 103-50-4, If you have any questions, you can contact McDonald, KD; Bartlett, BM or send Email.. Product Details of 103-50-4

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An article The Influence of Disease Activity on Pregnancy Outcomes in Women With Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis WOS:000654655500004 published article about CROHNS-DISEASE; BIRTH OUTCOMES; ULCERATIVE-COLITIS; PRETERM BIRTH; ALPHA; RISK; EXPRESSION; MANAGEMENT; FERTILITY; RECEPTORS in [Kim, Min-A] Yonsei Univ, Gangnam Severance Hosp, Inst Womens Life Med Sci, Dept Obstet & Gynecol,Coll Med, Seoul, South Korea; [Kim, Young-Han] Yonsei Univ, Severance Hosp, Inst Womens Life Med Sci, Dept Obstet & Gynecol,Coll Med, Seoul, South Korea; [Chun, Jaeyoung] Yonsei Univ, Gangnam Severance Hosp, Dept Internal Med, Coll Med, Seoul, South Korea; [Lee, Hye Sun] Yonsei Univ, Biostat Collaborat Unit, Coll Med, Seoul, South Korea; [Park, Soo Jung; Cheon, Jae Hee; Il Kim, Tae; Kim, Won Ho; Park, Jae Jun] Yonsei Univ, Severance Hosp, Dept Internal Med, Coll Med, Seoul, South Korea in 2021, Cited 65. Safety of Benzyl ether. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4

Background and Aims: Robust evidence regarding the impact of disease activity on pregnancy outcomes in women with inflammatory bowel disease [IBD] is crucial for both clinicians and patients in preparing a birth plan. We sought to perform a systematic review and meta-analysis to assess the pooled influences of disease activity on pregnancy outcomes in women with IBD. Methods: We searched MEDLINE, EMBASE and the COCHRANE library to identify articles comparing pregnancy outcomes between active and inactive IBD at the time of conception or during pregnancy. A meta-analysis was performed using a random-effects model to pool estimates and report odds ratios [ORs]. Results: A total of 28 studies were identified as eligible for the meta-analysis. In women with active IBD, the pooled ORs for low birth weight [LBW], preterm birth, small for gestational age [SGA], spontaneous abortion and stillbirths were respectively 3.81 (95% confidence interval [CI] 1.81-8.02), 2.42 [95% CI 1.74-3.35], 1.48 [95% CI 1.19-1.85], 1.87 [95% CI 1.17-3.0] and 2.27 [95% CI 1.03-5.04] compared to women with inactive IBD. In the subgroup analysis based on disease type, women with active ulcerative colitis had an increased risk of LBW, preterm birth and spontaneous abortion. Women with active Crohn’s disease had a higher risk of preterm birth, SGA and spontaneous abortion. Conclusions: Active IBD during the periconception period and pregnancy is associated with an increased risk of adverse pregnancy outcomes. Our data suggest that pregnancy should be planned when the disease is quiescent, and continuous disease control is important even during pregnancy.

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

Name: Benzyl ether. In 2019 CHEMISTRYSELECT published article about ZSM-5 ZEOLITES; MODIFIED HZSM-5; MESOPOROSITY DEVELOPMENT; HYDROTHERMAL STABILITY; CONVERSION; CRACKING; PROPYLENE; AROMATIZATION; AROMATICS; ACIDITY in [Tian, Haifeng; Lv, Jinlong; Liao, Jiankang; Yu, Lei; Tang, Xiaohua; Zha, Fei; Chang, Yue] Northwest Normal Univ, Coll Chem & Chem Engn, Lanzhou 730070, Gansu, Peoples R China in 2019, Cited 43. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4.

Hierarchically porous P substituted HZSM-5 (H[P, Al]-ZSM-5-AT-0.05 M ) was successfully synthesized by isomorphous substitution method with introduced P atoms into ZSM-5 zeolite frameworks followed by alkali treatment. H[P, Al]-ZSM-5-AT-0.05 M was characterized by XRD, ICP-OES, SEM, FT-IR, N-2 adsorption-desorption, NH3-TPD, XPS, Py-IR, and TG-DTA, respectively. The surface area, pore volume, particle size and P/Al (molar ratio) are 328 m(2).g(-1), 0.23 cm(3).g(-1), 563 nm and 0.027, respectively. The catalytic performance of H[P, Al]-ZSM-5-AT-0.05 M in coupling reaction of methanol with 1-butene was investigated in the fixed-bed reactor. On the condition of reaction temperature at 500 degrees C under atmosphere pressure, the main product is propylene with the selectivity and yield of 33.7% and 31.0%, respectively. Hydrogen transfer index was calculated to 0.24. Moreover, its diffusion limitation was investigated with the self-etherification of benzyl alcohol reaction. The value of Thiele modulus (eta) and effectiveness factor (phi) are 0.08 and 16.9, respectively.

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Ether – Wikipedia,
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In 2020 RSC ADV published article about ENCAPSULATED GAMMA-FE2O3 NANOPARTICLES; SINGLE-SOURCE PRECURSORS; N-HETEROCYCLIC CARBENES; ARYL CHLORIDES; EFFICIENT CATALYST; HETEROGENEOUS CATALYST; TRANSFER HYDROGENATION; ORGANIC-REACTIONS; CARBON-CARBON; PALLADIUM(II) COMPLEXES in [Sharma, Alpesh K.; Joshi, Hemant; Singh, Ajai K.] Indian Inst Technol Delhi, Dept Chem, New Delhi 110016, India; [Joshi, Hemant] Cent Univ Rajasthan, Dept Chem, Sch Chem Sci & Pharm, NH-8, Ajmer 305817, Rajasthan, India in 2020, Cited 109. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Formula: C12H10O

Nanoparticles layered with palladium(0) were prepared from nano-sized magnetic Fe3O4 by coating it with silica and then reacting sequentially with phenylselenyl chloride under an N-2 atmosphere and palladium(ii) chloride in water. The resulting Fe3O4@SiO2@SePh@Pd(0) NPs are magnetically retrievable and the first example of NPs in which the outermost layer of Pd(0) is mainly held by selenium. The weight percentage of Pd in the NPs was found to be 1.96 by ICP-AES. The NPs were authenticated via TEM, SEM-EDX, XPS, and powder XRD and found to be efficient as catalysts for the C-O and C-C (Suzuki-Miyaura) coupling reactions of ArBr/Cl in water. The oxidation state of Pd in the NPs having size distribution from similar to 12 to 18 nm was inferred as zero by XPS. They can be recycled more than seven times. The main features of the proposed protocols are their mild reaction conditions, simplicity, and efficiency as the catalyst can be separated easily from the reaction mixture by an external magnet and reused for a new reaction cycle. The optimum loading (in mol% of Pd) was found to be 0.1-1.0 and 0.01-1.0 for O-arylation and Suzuki-Miyaura coupling, respectively. For ArCl, the required amount of NPs was more as compared to that needed for ArBr. The nature of catalysis is largely heterogeneous.

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Nagendra, B; Cozzolino, A; Golla, M; Daniel, C; Rizzo, P; Guerra, G in [Guerra, Gaetano] Univ Salerno, Dipartimento Chim & Biol, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy; Univ Salerno, INSTM Res Unit, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy published Guest induced transition from beta to alpha nanoporous crystalline forms of PPO in 2020, Cited 49. Recommanded Product: 103-50-4. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4.

The stability of a and beta nanoporous-crystalline (NC) forms of Poly(2,6-dimethyl-1,4-phenylene) oxide (PPO), in the presence of guest molecules leading to crystallization in a and beta-form (alpha and beta-guests), is explored. Sorption of liquid guests at 30 degrees C and 60 degrees C is studied both for NC films and NC aerogels. WAXD and FTIR characterizations show that, for all considered conditions, NC alpha-phases after guest sorption/desorption remain unaltered. NC beta-phases, on the contrary, after alpha-guest sorption can be transformed in co-crystalline (CC) alpha-phases that after guest desorption are transformed in NC alpha-phases. All conducted experiments also show that possible planar orientations of NC films (c//or c perpendicular to orientations) remain essentially unaltered, after sorption of all considered guest molecules. The presently discovered beta ->alpha transition constitutes a route to obtain unoriented alpha-form films, which till now were not available by known preparation procedures.

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An article Catalytic Hydroconversion of Ethanol-Soluble Portion from the Ethanolysis of Hecaogou Subbituminous Coal Extraction Residue to Clean Liquid Fuel over a Zeolite Y/ZSM-5 Composite Zeolite-Supported Nickel Catalyst WOS:000526324100074 published article about ZSM-5 ZEOLITE; Y ZEOLITE; LIGNITE; HYDROGENATION; GUAIACOL; HYDRODEOXYGENATION; HYDROGENOLYSIS; ACCESSIBILITY; SITES; NI in [Kang, Yu-Hong; Wei, Xian-Yong; Liu, Guang-Hui; Ma, Xiang-Rong; Gao, Yong; Li, Xiao; Li, Yan Jun; Zong, Zhi-Min] China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221116, Jiangsu, Peoples R China; [Kang, Yu-Hong; Wei, Xian-Yong; Ma, Xiang-Rong; Gao, Yong; Li, Xiao; Li, Yan Jun; Ma, Ya-Jun; Yan, Long] Yulin Univ, Shaanxi Key Lab Low Metamorph Coal Clean Utilizat, Sch Chem & Chem Engn, Yulin 71900, Shaanxi, Peoples R China in 2020, Cited 29. Recommanded Product: 103-50-4. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4

A novel and highly active zeolite Y/ZSM-5 composite zeolite (CZ)-supported nickel catalyst (Ni/CZ with 10% of Ni loading) was prepared by modified deposition-precipitation to uniformly disperse Ni nanoparticles (NNPs) onto CZ. Hecaogou subbituminous coal was exhaustively extracted with isometric carbon disulfide/acetone mixed solvent to afford the extractable portion and inextractable portion (IEP). Ethanol-soluble portion (ESP) was obtained by ethanolyzing the IEP at 300 degrees C and subjected to catalytic hydroconversion (CHC) over Ni-10%/CZ at 160 degrees C to afford catalytically hydroconverted ESP (CHCESP). Both ESP and CHCESP were analyzed with a Fourier transform infrared spectrometer, gas chromatograph/mass spectrometer (GC/MS), and quadrupole exactive orbitrap mass spectrometer. The results show that the relative contents (RCs) of both chain alkanes and hydroarenes in CHCESP are significantly higher than those in ESP and cyclanes and alkenes were only detected in CHCESP, while the RCs of both arenes and oxygen-containing organic compounds in CHCESP are much lower than those in ESP and nitrogen- and/or sulfur-containing organic compounds were only detected in ESP with GC/MS. According to the CHC of oxybis(methylene)dibenzene (OBMDB), Ni-10%/CZ can effectively activate H-2 to biatomic active hydrogen (H center dot center dot center dot H) and the resulting H center dot center dot center dot H was heterolytically split into an immobile H- attached on Ni/CZ and a mobile H+. H+ transfers to an oxygen atom (OA) in OBMDB and cleaves the C-O bridged bond to produce phenylmethanol (PM) and benzylium, followed by H- abstraction from the Ni/CZ surface by benzylium to form toluene. H+ transfer to the OA in PM also leads to the cleavage of the C-O bond in PM to produce H2O and benzylium, which abstracts H- from the Ni/CZ surface to yield toluene. H center dot center dot center dot H transfer to the benzene ring in toluene generates methylcyclohexane. Therefore, Ni-10%/CZ catalyzes both H+ and H center dot center dot center dot H transfer. In addition, it proved to be stable for the CHC of OBMDB after 3 cycles.

Recommanded Product: 103-50-4. Welcome to talk about 103-50-4, If you have any questions, you can contact Kang, YH; Wei, XY; Liu, GH; Ma, XR; Gao, Y; Li, X; Li, YJ; Ma, YJ; Yan, L; Zong, ZM or send Email.

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I found the field of Chemistry; Science & Technology – Other Topics; Materials Science; Physics very interesting. Saw the article Synthesis of Copper Sulfide Nanoparticles by Thermal Decomposition Approach and Morphology Dependent Peroxidase-Like Activity published in 2020.0. COA of Formula: C12H10O, Reprint Addresses Jeevanandam, P (corresponding author), Indian Inst Technol Roorkee, Dept Chem, Roorkee 247667, Uttar Pradesh, India.. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide

Copper sulfide nanoparticles have been employed as artificial mimics for peroxidase-like activity. In the present study, copper sulfide nanoparticles with four different morphologies have been synthesized by thermal decomposition of cyclo-tri-mu-thioacetamide-tris(chlorocopper(I)) complex ([Cu(3)TAA(3)Cl(3)]) at 200 degrees C in different solvents such as diphenyl ether, ethylene glycol, 1-octadecene and also without any solvent. Hierarchical copper sulfide nanostructures are formed when the complex is decomposed in the absence of solvent, in diphenyl ether, and 1-octadecene while in the case of ethylene glycol, randomly agglomerated nanoparticles are formed. The precursor complex ([Cu(3)TAA(3)Cl(3)]) as well as copper sulfide nanoparticles were characterized using an array of techniques and after characterization, the peroxidase-like activity of copper sulfide nanoparticles was investigated. Morphologically different copper sulfide nanoparticles possess different exposed facets and due to this, the peroxidase-like activity was different among different morphologies.

COA of Formula: C12H10O. About Diphenyl oxide, If you have any questions, you can contact Sharma, V; Jeevanandam, P or concate me.

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