Category: 151-10-0

Singh, DK; Kim, I in [Kim, Ikyon] Yonsei Univ, Coll Pharm, 85 Songdogwahak Ro, Incheon 21983, South Korea; Yonsei Univ, Yonsei Inst Pharmaceut Sci, 85 Songdogwahak Ro, Incheon 21983, South Korea published Convergent synthesis of diptoindonesin G in 2019, Cited 42. Product Details of 151-10-0. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0.

A convergent and scalable synthetic route to a tetracyclic oligostilbenoid natural product, diptoindonesin G, is described where Suzuki-Miyaura cross-coupling and intramolecular Friedel-Crafts acylation were employed to construct the central C ring of diptoindonesin G. Two fragments for cross-coupling reaction were readily synthesized with similar efficiency. (C) 2018 Elsevier Ltd. All rights reserved.

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Singh, SK; Dhepe, PL in [Singh, Sandip K.; Dhepe, Paresh L.] Natl Chem Lab, CSIR, Catalysis & Inorgan Chem Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India; [Singh, Sandip K.; Dhepe, Paresh L.] Acad Sci & Innovat Res AcSIR, New Delhi 110025, Uttar Pradesh, India published Lignin Conversion Using Catalytic Ionic Liquids: Understanding the Role of Cations, Anions, and Hammett Acidity Functions in 2019, Cited 66. Recommanded Product: 151-10-0. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0.

Because it is undisputable that lignin depolymerization is a must to make the biorefinery concept economically feasible, several efforts are put toward it; however, a lot of catalyst designing is required to achieve efficient depolymerization activities. In this work, we show a systematic approach in the synthesis and characterization of ionic liquids (ILs) with varying combinations of cations (imidazole, benzimidazole, phosphonium, and ammonium) and anions (HSO4, PTS (p-toluenesulfonate), Cl, H2PO4, SnCl3, FeCl4, and CuCl3) for the depolymerization of lignin into low-molecular weight aromatic fractions (<220 g/mol) under mild reaction conditions (120 degrees C, 1 h, ambient pressure). In a methodical approach, effects of various reaction parameters such as temperature (70-170 degrees C), time (15-360 min), pressure (N-2, 0.5-3 MPa), solvents and substrate, and so forth were studied to achieve best activity. Among all the catalysts, IL with the imidazolium cation and HSO4 as the anion showed best activity (78% yield). Subsequent to depolymerization, three aromatic monomers (5 wt % pure vanillin) were isolated using flash column chromatography. These aromatic monomers were characterized using gas chromatography (GC), GC-mass spectrometry, and NMR techniques for their purity. Hammett acidity functions (H-0) of ILs were measured using UV-vis photo-spectroscopy, and values are correlated with lignin depolymerization results. Lignin and tetrahydrofuran-soluble products were thoroughly characterized using assorted physicochemical techniques such as NMR (H-1 and C-13), gel permittivity chromatography, thermogravimetric analysis, and so forth. The catalyst was recycled up to six runs and showed similar results in consecutive reactions. Welcome to talk about 151-10-0, If you have any questions, you can contact Singh, SK; Dhepe, PL or send Email.. Recommanded Product: 151-10-0

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An article An approach for the calculation of vaporization enthalpies of aromatic and heteroaromatic compounds at 298.15 K applicable to supercooled liquids WOS:000583948500144 published article about STANDARD MOLAR ENTHALPIES; NORMAL BOILING TEMPERATURE; VAPOR-PRESSURES; THERMODYNAMIC PROPERTIES; HEAT-CAPACITIES; THERMOCHEMICAL PROPERTIES; SUBLIMATION ENTHALPIES; PHASE-TRANSITIONS; ORGANIC-COMPOUNDS; SUBSTITUTED BENZENES in [Solomonov, Boris N.; Yagofarov, Mikhail, I] Kazan Fed Univ, Dept Phys Chem, Kremlevskaya Str 18, Kazan 420008, Russia in 2020, Cited 186. Safety of 1,3-Dimethoxybenzene. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

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 intermolecular hydrogen bonding, it was experimentally demonstrated that the solution enthalpies of liquids or supercooled liquids in benzene were equal to 1 +/- 1 kJ . mol(-1). The way to consider intermolecular 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. (C) 2020 Elsevier B.V. All rights reserved.

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An article Strongly Lewis Acidic Metal-Organic Frameworks for Continuous Flow Catalysis WOS:000487180200053 published article about FRIEDEL-CRAFTS-ACYLATION; DIELS-ALDER; EFFICIENT CATALYST; STATIONARY-PHASE; RING; COMPLEXES; ZIRCONIUM; EPOXIDES; AMINOLYSIS; ZEOLITES in [Ji, Pengfei; Feng, Xuanyu; Oliveres, Pau; Li, Zhe; Murakami, Akiko; Lin, Wenbin] Univ Chicago, Dept Chem, 929 East 57th St, Chicago, IL 60637 USA; [Li, Zhe; Wang, Cheng] Xiamen Univ, State Key Lab Phys Chem Solid Surface, iCHEM, Coll Chem & Chem Engn, Xiamen 361005, Fujian, Peoples R China in 2019, Cited 77. Computed Properties of C8H10O2. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

The synthesis of highly acidic metal-organic frameworks (MOFs) has attracted significant research interest in recent years. We report here the design of a strongly Lewis acidic MOF, ZrOTf-BTC, through two-step transformation of MOF-808 (Zr-BTC) secondary building units (SBUs). Zr-BTC was first treated with 1 M hydrochloric acid solution to afford ZrOH-BTC by replacing each bridging formate group with a pair of hydroxide and water groups. The resultant ZrOH-BTC was further treated with trimethylsilyl triflate (Me3SiOTf) to afford ZrOTf-BTC by taking advantage of the oxophilicity of the Me3Si group. Electron paramagnetic resonance spectra of Zr-bound superoxide and fluorescence spectra of Zr-bound N-methylacridone provided a quantitative measurement of Lewis acidity of ZrOTf-BTC with an energy splitting (Delta E) of 0.99 eV between the pi(x)* and pi(y)* orbitals, which is competitive to the homogeneous benchmark Sc(OTf)(3). ZrOTf-BTC was shown to be a highly active solid Lewis acid catalyst for a broad range of important organic transformations under mild conditions, including Diels-Alder reaction, epoxide ring-opening reaction, Friedel-Crafts acylation, and alkene hydroalkoxylation reaction. The MOF catalyst outperformed Sc(OTf)(3) in terms of both catalytic activity and catalyst lifetime. Moreover, we developed a ZrOTf-BTC@SiO2 composite as an efficient solid Lewis acid catalyst for continuous flow catalysis. The Zr centers in ZrOTfBTC@SiO2 feature identical coordination environment to ZrOTf-BTC based on spectroscopic evidence. ZrOTf-BTC@SiO2 displayed exceptionally high turnover numbers (TONs) of 1700 for Diels-Alder reaction, 2700 for epoxide ring-opening reaction, and 326 for Friedel-Crafts acylation under flow conditions. We have thus created strongly Lewis acidic sites in MOFs via triflation and constructed the MOF@SiO2 composite for continuous flow catalysis of important organic transformations.

Welcome to talk about 151-10-0, If you have any questions, you can contact Ji, PF; Feng, XY; Oliveres, P; Li, Z; Murakami, A; Wang, C; Lin, WB or send Email.. Computed Properties of C8H10O2

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In 2020 ORG LETT published article about BETA-KETO-ESTERS; IODINE REAGENTS; TRIFLUOROMETHYL; CHEMISTRY; DERIVATIVES; REACTIVITY; CYANATION; AZIDATION; CHLORINATION; REEVALUATION in [Yang, Xiao-Guang; Zheng, Ke; Zhang, Chi] Nankai Univ, Collaborat Innovat Ctr Chem Sci & Engn, Coll Chem, State Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China in 2020, Cited 91. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0. Recommanded Product: 1,3-Dimethoxybenzene

Herein we report the design and synthesis of hypervalent trifluoromethylthio-iodine(III) reagent 1 and the elucidation of its structure by NMR spectroscopy and X-ray crystallography. The trifluoromethylthiolation reactions of 1 with various nucleophiles were explored, and this compound was found to be a versatile electrophilic reagent for the transfer of a trifluoromethylthio group (-SCF3). The hydrogen-bonding mode responsible for the activation of 1 by the solvent 1,1,1,3,3,3-hexafluoro-2-propanol was investigated both experimentally and computationally.

Recommanded Product: 1,3-Dimethoxybenzene. Welcome to talk about 151-10-0, If you have any questions, you can contact Yang, XG; Zheng, K; Zhang, C or send Email.

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Safety of 1,3-Dimethoxybenzene. Recently I am researching about FUNCTIONALIZATION; ARYLSILANES; OXIDATION; ARENES; LIGAND, Saw an article supported by the NIHUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) – USA [R35 GM130387, S10OD024998, NIH S10OD023532]. Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Karmel, C; Hartwig, JF. The CAS is 151-10-0. Through research, I have a further understanding and discovery of 1,3-Dimethoxybenzene

Phenanthroline ligands and [Ir(cod)(OMe)](2) form complexes that catalyze the silylation of aromatic and aliphatic C-H bonds. However, no experimental data on the identity of complexes related to the mechanism of this process or the mechanisms by which they react to functionalize C-H bonds have been reported. Herein, we describe our studies on the mechanism of the iridium-catalyzed silylation of aryl C-H bonds. The resting state of the catalyst is an iridium disilyl hydride complex (phenanthroline)Ir(SiMe(OTMS)(2))(2)(H)(L), in which L varies with the arene and additives. An iridium disilyl hydride complex was isolated, characterized, and allowed to react with arenes to form aryl silanes. The kinetics of the reactions of electron-rich and electron-poor arenes showed that the rate-limiting step varies with the electronic properties of the arene. Computational studies on related iridium silyl complexes revealed that the high activity of iridium complexes containing sterically encumbered phenanthroline ligands is due to a change in the number of silyl groups bound to iridium between the resting state of the catalyst containing the hindered phenanthroline and that containing less-hindered phenanthroline.

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Product Details of 151-10-0. In 2021 ORG LETT published article about DEHYDROGENATIVE HECK REACTION; ARYLBORONIC ACID; CHELATING LIGANDS; INTERNAL ALKYNES; SOLVENT CONTROL; FUNCTIONALIZATION; COMPLEXES; OLEFINATION; ACTIVATION; 2-(1H-PYRAZOL-1-YL)PYRIDINE in [Kim, Hyun Tae; Kang, Eunsu; Kim, Minkyu; Joo, Jung Min] Pusan Natl Univ, Dept Chem & Chem, Inst Funct Mat, Busan 46241, South Korea in 2021, Cited 53. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0.

A new class of bidentate ligands was prepared by a modular approach involving Rh-catalyzed C-H annulation reactions. The resulting conformationally constrained ligands enabled the Pd-catalyzed C-H alkenylation at electron-rich and sterically less hindered positions of electron-rich arenes while promoting the facile oxidation of Pd(0) intermediates by oxygen. This newly introduced ligand class is complementary to the ligands developed for Pd-catalyzed oxidative reactions and may find broad application in transition-metal-catalyzed reactions.

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COA of Formula: C8H10O2. In 2019 EUR J ORG CHEM published article about FRIEDEL-CRAFTS ACYLATION; PD-CATALYZED AMINOCARBONYLATION; ARYL HALIDES; ACID; CYCLOISOMERIZATION; GENERATION; AROMATICS; AMIDES in [Uehara, Ayaka; Olivero, Sandra; Dunach, Elisabet] Univ Cote Azur, Inst Chim Nice, CNRS, UMR7272, Parc Valrose, F-06108 Nice 2, France; [Michelet, Bastien; Martin-Mingot, Agnes; Thibaudeau, Sebastien] Univ Poitiers, IC2MP, UMR CNRS 7582, Superacid Grp,Organ Synth Team, 4 Rue Michel Brunet TSA 51106, F-86073 Poitiers 9, France in 2019, Cited 41. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0.

Exploiting trimethylsilyltrifluoromethanesulfonate as Lewis acid, (hetero)aromatics underwent regioselective and direct carbamoylation. The method is based on the in situ generation of a highly electrophilic carbamoyl triflate active species.

COA of Formula: C8H10O2. Bye, fridends, I hope you can learn more about C8H10O2, If you have any questions, you can browse other blog as well. See you lster.

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An article Annulative pi-Extension of Unactivated Benzene Derivatives through Nondirected C-H Arylation WOS:000485089300084 published article about ION MOBILITY; RAPID ACCESS; FUNCTIONALIZATION; MECHANISM; SOLVENT; SITE in [Lee, Jae Bin; Jeon, Min Ho; Hong, Sung You] UNIST, Sch Energy & Chem Engn, 50 UNIST Gil, Ulsan 44919, South Korea; [Seo, Jeong Kon] UNIST Cent Res Facil, Ulsan 44919, South Korea; [von Helden, Gert] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany; [Rohde, Jan-Uwe; Zhao, Bum Suk] UNIST, Dept Chem, Ulsan 44919, South Korea; [Seo, Jongcheol] POSTECH, Dept Chem, Pohang 37673, South Korea in 2019, Cited 48. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0. Name: 1,3-Dimethoxybenzene

Annulative pi-extension chemistry provides a concise synthetic route to polycyclic arenes. Herein, we disclose a nondirected annulation approach of unactivated simple arenes. The palladium-catalyzed 2-fold C-H arylation event facilitates tandem C-C linkage relays to furnish fully benzenoid triphenylene frameworks using cyclic diaryliodonium salts. The inseparable regioisomeric mixture of 1- and 2-methyltripheny-lenes is identified by the combined analysis of ion mobility-mass spectrometry, gas-phase infrared spectroscopy, and molecular simulation studies.

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Computed Properties of C8H10O2. Authors Ojah, EO; Moronkola, DO; Ajiboye, CO; Yusuf, TL; Adeniyi-Akee, MA in TAYLOR & FRANCIS LTD published article about in [Ojah, Emmanuel Onah; Moronkola, Dorcas Olufunke; Ajiboye, Clement Odunayo] Univ Ibadan, Dept Chem, Ibadan, Nigeria; [Ojah, Emmanuel Onah] Mt Top Univ, Dept Chem Sci, Coll Basic & Appl Sci, Makogi Oba, Ogun State, Nigeria; [Yusuf, Tunde Lewis] Univ KwaZulu Natal, Sch Chem & Phys, Private Bag X54001,Westville Campus, ZA-4000 Durban, South Africa; [Adeniyi-Akee, Mukaram Akintunde] Igbined Univ, Dept Pharmaceut Chem, Coll Pharm, Okada, Edo State, Nigeria in 2021, Cited 47. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

The chemical composition of essential oils (EOs) isolated by hydrodistillation from Pterocarpus soyauxii Taub. root wood and root bark were determined for the first time by GC/MS analysis. The EOs gave a percentage yield (w/w) of 0.34 % and 0.31 % for root wood and root bark respectively. A total of 60 compounds accounting for 86.1 % of the root wood EO composition were identified with monoterpenes (45.4 %) and sesquiterpenes (14.7 %) as predominant constituents. Root bark EO gave 53 identified constituents which make up about 78.5 % of the EO dominated by non-terpenes (23.4 %) and alkanes (14.1 %). The EOs are good sources of limonene (16.9 %), gamma-terpinene (9.8 %) and p-cymene (6.70 %). The anti-diabetic (alpha-amylase and alpha-glucosidase models) and antioxidant activities (DPPH and H2O2 models) of EOs were evaluated in comparison with standard drugs. Alpha-amylase inhibition gave IC50 values (mg/mL) of 0.0493 and 0.0471 for root wood and root bark EOs respectively, compared to acarbose the standard anti-diabetic drug (0.0401) while alpha-glucosidase assay gave IC50 values (mg/mL) of 0.0517 and 0.0486 for root wood and root bark EOs respectively, compared with acarbose (0.0418). In the DPPH antioxidant assay, root bark EO showed higher activity (0.157 mg/mL) compared to root wood EO (0.159 mg/mL) while Root wood and root bark EOs had IC(50 )values (mg/mL) of 0.157 and 0.171 respectively using the H2O2 model. Results revealed the presence of chemical constituents in the EOs which could be responsible for activities expressed by the plant.

Welcome to talk about 151-10-0, If you have any questions, you can contact Ojah, EO; Moronkola, DO; Ajiboye, CO; Yusuf, TL; Adeniyi-Akee, MA or send Email.. Computed Properties of C8H10O2

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