Tag: 100-200

Zhu, Kaili; Xu, Xudong; Xu, Mengqiu; Deng, Ping; Wu, Wenbo; Ye, Wei; Weng, Zihui; Su, Yue; Wang, Huijie; Xiao, Fei; Fang, Zeping; Gao, Peng published their research in ChemElectroChem in 2021. The article was titled 《One-Pot Synthesis of Tensile-Strained PdRuCu Icosahedra toward Electrochemical Hydrogenation of Alkene》.Related Products of 821-41-0 The article contains the following contents:

Electrochem. hydrogenation (ECH) uses electricity to drive proton (H+) reduction for hydrogenation, which can greatly reduce energy supply and environmental pollution, representing an ideal alternative to traditional thermal hydrogenation. In this work, we put forward tensile-strained PdRuCu alloy to promote ECH. Tensile strain promotes the adsorption of C=C by changing the d-band center. Meanwhile, alloying Ru and Cu into Pd lattice facilitates hydrogenation by weakening Pd-H bonding. Therefore, PdRuCu icosahedra display excellent ECH performance of 2-methyl-3-buten-2-ol (MBE) with specific activity of 227.4μmolMBE nm-2 min-1 at -0.3 V vs. reversible hydrogen electrode (RHE), about 16.1 and 10.5 times higher than that of com. Pd/C and Ru/C, resp. In addition, PdRuCu icosahedra was excellent in the scaling up of substrate concentration combined with anisyl alc. oxidation to produce high-value added anisaldehyde at anode. This work provides a guideline for the rational design of highly active and durable metallic catalyst in ECH. The experimental process involved the reaction of 5-Hexen-1-ol(cas: 821-41-0Related Products of 821-41-0)

5-Hexen-1-ol(cas: 821-41-0) is a volatile organic compound. Further, it is used to prepare 6-bromo-hex-1-ene by reaction with phosphorus tribromide.Related Products of 821-41-0

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Li, Huaifeng; Lupp, Daniel; Das, Pradip K.; Yang, Li; Goncalves, Theo P.; Huang, Mei-Hui; El Hajoui, Marwa; Liang, Lan-Chang; Huang, Kuo-Wei published their research in ACS Catalysis in 2021. The article was titled 《Redox-Neutral Imination of Alcohol with Azide: A Sustainable Alternative to the Staudinger/Aza-Wittig Reaction》.Application of 873-75-6 The article contains the following contents:

Here, a redox-neutral azide-alc. imination methodol. enabled by a base-metal nickel PN3 pincer catalyst were reported. The one-step, waste-free and high atom-economical features highlight its advantages further. Moreover, mechanistic insight suggested a non-metal-ligand cooperation pathway based on the observation of an intermediate and d. functional theory calculations In addition to this study using (4-Bromophenyl)methanol, there are many other studies that have used (4-Bromophenyl)methanol(cas: 873-75-6Application of 873-75-6) was used in this study.

(4-Bromophenyl)methanol(cas: 873-75-6) undergoes three-component reaction with acetylferrocene and arylboronic acid to give ferrocenyl ketones containing biaryls.Application of 873-75-6 It undergoes oxidation reaction in the presence of polyvinylpolypyrrolidone-supported hydrogen peroxide, silica sulfuric acid and ammonium bromide to yield 4-bromobenzaldehyde.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Nanosized Organo-Silica Particles with “”Built-In”” Surface-Initiated Atom Transfer Radical Polymerization Capability as a Platform for Brush Particle Synthesis》 was written by Han, Jin; Zhai, Yue; Wang, Zongyu; Bleuel, Markus; Liu, Tong; Yin, Rongguan; Wu, Wenjie; Hakem, Ilhem F.; Karim, Alamgir; Matyjaszewski, Krzysztof; Bockstaller, Michael R.. SDS of cas: 821-41-0 And the article was included in ACS Macro Letters in 2020. The article conveys some information:

A facile synthetic method was developed to prepare sub-5 nm organo-silica (oSiO2) nanoparticles through the self-condensation of atom transfer radical polymerization (ATRP)-initiator-containing silica precursors. The obtained oSiO2 nanoparticles were characterized by a combination of NMR, thermogravimetric anal. (TGA), transmission electron microscopy (TEM), dynamic light scattering (DLS), and small-angle neutron scattering (SANS). The accessibility of the surface-Br initiating sites was evaluated by the polymerization of poly(Me methacrylate) (PMMA) ligands from the surface of the oSiO2 nanoparticles using surface-initiated atom transfer radical polymerization (SI-ATRP). The ultrasmall size, tunable composition, and ease of surface modification may render these organo-silica nanoparticle systems with built-in SI-ATRP capability an interesting alternative to conventional silica nanoparticles for functional material design. The experimental part of the paper was very detailed, including the reaction process of 5-Hexen-1-ol(cas: 821-41-0SDS of cas: 821-41-0)

5-Hexen-1-ol(cas: 821-41-0) is used in cyclization to a tetrahydropyran by phenylselenoetherification. It is also used as a building block in synthetic chemistry.SDS of cas: 821-41-0

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《A novel sustainable metal organic framework as the ultimate aqueous phase sensor for natural hazards: detection of nitrobenzene and F- at the ppb level and rapid and selective adsorption of methylene blue》 was written by I., Mantasha; Shahid, M.; Saleh, Hatem A. M.; Qasem, Khalil M. A.; Ahmad, Musheer. Category: alcohols-buliding-blocks And the article was included in CrystEngComm in 2020. The article conveys some information:

Herein, a new cationic Cu(II)-based porous and water stable metal organic framework (MOF), [{Cu(bipy)1.5(H2pdm)}βoxO3βox]n (Cu-MOF-1) is designed using pyridine-2,6-dimethanol (H2pdm) and 4,4′-bipyridine (bipy) through slow evaporation process. The MOF is characterized by FTIR, PXRD, TGA, magnetic and single crystal XRD anal. The structural unit of Cu-MOF-1 consists of two Cu(II) ions bridged by bipy and supported by the H2pdm. This material exhibits excellent sensing ability for nitrobenzene (NB) and fluoride ion (F-) in 100% aqueous medium with ultra-low limit of detection (LOD) i.e., 0.093 and 1.203 ppb for NB and F-, resp. The detection of NACs is governed by PET and FRET mechanism while vapor pressure plays major role for NB detection showing highest fluorescent quenching of 96.4%. Moreover, the MOF revealed high water stability, significant recyclability and microporosity. The MOF was also employed for adsorption and separation of methylene blue from the mixture of three dyes (methylene blue, rhodamine-B and methyl orange). At equilibrium, the removal percentage of Cu-MOF-1 for MB is 98.23% and the mechanism of dye adsorption is also explored. Thus, the present MOF comes out as a sustainable multifunctional material for aqueous phase sensing of hazardous nitrobenzene and fluoride ions, as well as an excellent dye adsorbent. In addition to this study using 2,6-Pyridinedimethanol, there are many other studies that have used 2,6-Pyridinedimethanol(cas: 1195-59-1Category: alcohols-buliding-blocks) was used in this study.

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. When pyridine is adsorbed on oxide surfaces or in porous materials, the following species are commonly observed: (i) pyridine coordinated to Lewis acid sites, (ii) pyridine H-bonded to weakly acidic hydroxyls, and (iii) protonated pyridine. At high coverage, physisorbed pyridine and protonated dimers can also be observed.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Sustainable and Selective Alkylation of Deactivated Secondary Alcohols to Ketones by Non-bifunctional Pincer N-heterocyclic Carbene Manganese》 was written by Lan, Xiao-Bing; Ye, Zongren; Liu, Jiahao; Huang, Ming; Shao, Youxiang; Cai, Xiang; Liu, Yan; Ke, Zhuofeng. Formula: C7H7BrO And the article was included in ChemSusChem in 2020. The article conveys some information:

A sustainable and green route to access diverse functionalized ketones RC(O)CH2CH2R1 (R = Ph, thiophen-2-yl, 4-bromophenyl, etc.; R1 = Ph, naphthalen-2-yl, pyridin-3-yl, etc.) via dehydrogenative-dehydrative cross-coupling of primary R1CH2OH and secondary alcs. RCH(OH)CH3 is demonstrated. This borrowing hydrogen approach employing a pincer N-heterocyclic carbene Mn complex I•Br- (R2 = Me, iPr, Ph) displays high activity and selectivity. A variety of primary and secondary alcs. is well tolerant and results in satisfactory isolated yields. Mechanistic studies suggest that this reaction proceeds via a direct outer-sphere mechanism and the dehydrogenation of the secondary alc. substrates plays a vital role in the rate-limiting step. The results came from multiple reactions, including the reaction of (4-Bromophenyl)methanol(cas: 873-75-6Formula: C7H7BrO)

(4-Bromophenyl)methanol(cas: 873-75-6) undergoes three-component reaction with acetylferrocene and arylboronic acid to give ferrocenyl ketones containing biaryls.Formula: C7H7BrO It undergoes oxidation reaction in the presence of polyvinylpolypyrrolidone-supported hydrogen peroxide, silica sulfuric acid and ammonium bromide to yield 4-bromobenzaldehyde.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Bright and fast-response perovskite light-emitting diodes with an ICBA:modified-C60 nanocomposite electrical confinement layer》 was published in Nanoscale in 2020. These research results belong to Tsai, Chia-Lung; Lu, Yi-Chen; Chiang, Shou-En; Yu, Chih-Min; Cheng, Hsin-Ming; Hsu, Ching-Ling; Chiu, Kuo Yuan; Chang, Sheng Hsiung. Recommanded Product: 26153-38-8 The article mentions the following:

Bright and fast-response CH3NH3PbBr3 perovskite light-emitting diodes (PeLEDs) are realized by using ICBA:modified C60 (MC60) nanocomposites as the hole blocking layer (HBL) and electron transport layer (ETL). The photoluminescence spectrum shows that the use of hydrophilic MC60 in the ETL helps the surface passivation of the perovskite layer. In addition, the photoelectron spectra and water-droplet contact angle images show that the use of the ICBA:MC60 nanocomposite ETL can simultaneously confine the electrons and holes in the perovskite layer, which boosts the injected electron-hole radiative recombination efficiency and thereby increases the electroluminescence from 1 cd m-2 to 2080 cd m-2 at 6 V when the ICBA:3,5OEC60 nanocomposite ETL is used. In addition, the operational frequency of the optimal PeLED is up to 1.5 MHz. In the experimental materials used by the author, we found 3,5-Dihydroxybenzaldehyde(cas: 26153-38-8Recommanded Product: 26153-38-8)

3,5-Dihydroxybenzaldehyde(cas: 26153-38-8) is used as a building block in the synthesis of more complex structures. It is also used in the synthesis of terbutaline, which is an important bronchodilator.Recommanded Product: 26153-38-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Boron clusters as a platform for new materials: composites of nucleic acids and oligofunctionalized carboranes (C2B10H12) and their assembly into functional nanoparticles》 was published in Nanoscale in 2020. These research results belong to Kaniowski, Damian; Ebenryter-Olbinska, Katarzyna; Kulik, Katarzyna; Janczak, Slawomir; Maciaszek, Anna; Bednarska-Szczepaniak, Katarzyna; Nawrot, Barbara; Lesnikowski, Zbigniew. Recommanded Product: 627-18-9 The article mentions the following:

Nucleic acids are key biomols. in all life forms. These biomols. can encode and transfer information via Watson-Crick base-pairing interactions and can form double-stranded structures between complementary sequences with high precision. These properties make nucleic acids extremely successful in applications in materials science as nanoconstruction materials. Herein, we describe a method for the automated synthesis of “”oligopeds””, which are building blocks based on the boron cluster structure equipped with short DNA adapters; these building blocks assemble into functional nanoparticles. The obtained, well defined, torus-like structures are the first DNA nanoconstructs based on a boron cluster scaffold. The results indicate the potential of boron clusters in DNA nanoconstruction and open the way for the design of entirely new types of buildings blocks based on polyhedral heteroborane geometry and its unique properties. The use of antisense oligonucleotides as DNA adapters illustrates one of the possible applications of the obtained nanoconstructs as vectors for therapeutic nucleic acids. In the part of experimental materials, we found many familiar compounds, such as 3-Bromopropan-1-ol(cas: 627-18-9Recommanded Product: 627-18-9)

3-Bromopropan-1-ol(cas: 627-18-9) was used in the synthesis of fluorescent halide-sensitive quinolinium dyes and molten salt-polymers. Furthermore, it was used in the synthesis of chiral, quaternary prolines via cyclization of quaternary amino acids.Recommanded Product: 627-18-9

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Chromium-catalyzed linear-selective alkylation of aldehydes with alkenes》 was published in Organic Letters in 2020. These research results belong to Hirao, Yuki; Katayama, Yuri; Mitsunuma, Harunobu; Kanai, Motomu. Application In Synthesis of 5-Hexen-1-ol The article mentions the following:

We developed a chromium-catalyzed, photochem., and linear-selective alkylation of aldehydes with alkylzirconium species generated in situ from a wide range of alkenes and Schwartz’s reagent. Photochem. homolysis of the C-Zr bond afforded alkyl radicals, which were then trapped by a chromium complex catalyst to generate the alkylchromium(III) species for polar addition to aldehydes. The reaction proceeded with high functional group tolerance at ambient temperature under visible-light irradiation In the experiment, the researchers used 5-Hexen-1-ol(cas: 821-41-0Application In Synthesis of 5-Hexen-1-ol)

5-Hexen-1-ol(cas: 821-41-0) is a volatile organic compound. Further, it is used to prepare 6-bromo-hex-1-ene by reaction with phosphorus tribromide.Application In Synthesis of 5-Hexen-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Eco-friendly mechanochemical preparation of Ag2O-MnO2/graphene oxide nanocomposite: an efficient and reusable yst for the base-free, aerial oxidation of alcohols》 was published in Catalysts in 2020. These research results belong to Adil, Syed Farooq; Assal, Mohamed E.; Khan, Mujeeb; Shaik, Mohammed Rafi; Kuniyil, Mufsir; Sekou, Doumbia; Dewidar, Ahmed Z.; Al-Warthan, Abdulrahman; Siddiqui, Mohammed Rafiq H.. Related Products of 821-41-0 The article mentions the following:

Recently, the development of eco-friendly mechanochem. approaches for the preparation of novel ysts with enhanced activity and selectivity has gained considerable attention. Herein, we developed a rapid and solvent-less mechanochem. method for the preparation of mixed metal oxide (Ag2O-MnO2) decorated graphene oxide (GRO)-based nanocomposites (Ag2O-MnO2/(X weight%)GRO), as the Ag2O-MnO2/(X weight%)GRO nanocomposite was fabricated by the phys. grinding of freshly prepared GRO and pre-annealed (300°C) mixed metal oxide nanoparticles (NPs) (Ag2O-MnO2) using an eco-friendly milling procedure. The as-prepared nanoysts were characterized by using various techniques. Furthermore, the nanocomposites were applied as a heterogeneous yst for the oxidation of alc. by employing gaseous O2 as an eco-friendly oxidant under base-free conditions. The mechanochem. obtained GRO-based composite exhibited noticeable enhancement in the surface area and ytic performance compared to the pristine Ag2O-MnO2. The results revealed that (1%)Ag2O-MnO2/(5 weight%)GRO yst exhibited higher specific performance (13.3 mmol.g-1.h-1) with a 100% conversion of benzyl alc. (BnOH) and >99% selectivity towards benzaldehyde (BnH) within 30 min. The enhancement of the activity and selectivity of GRO-based nanoyst was attributed to the presence of various oxygen-containing functional groups, a large number of defects, and a high sp. surface area of GRO. In addition, the as-prepared nanoyst also demonstrated excellent ytic activity towards the conversion of a variety of other alcs. to resp. carbonyls under optimal conditions. Besides, the yst ((1%)Ag2O-MnO2/(5 weight%)GRO) could be efficiently recycled six times with no noticeable loss in its performance and selectivity. In the experiment, the researchers used many compounds, for example, 5-Hexen-1-ol(cas: 821-41-0Related Products of 821-41-0)

5-Hexen-1-ol(cas: 821-41-0) is a volatile organic compound. Further, it is used to prepare 6-bromo-hex-1-ene by reaction with phosphorus tribromide.Related Products of 821-41-0

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The author of 《Bispentiptycenyl-Diimine-Nickel Complexes for Ethene Polymerization and Copolymerization with Polar Monomers》 were Kanai, Yuki; Foro, Sabine; Plenio, Herbert. And the article was published in Organometallics in 2019. Application In Synthesis of 5-Hexen-1-ol The author mentioned the following in the article:

Ni2+ coordinated within a bowl-shaped diimine ligand with two pentiptycenyl-substituents [(ArN:CRCRN:Ar)NiBr2] (Ar = pentiptycenyl, 3a, RR = 1,8-naphthalenediyl, 3b, R = Me) displays excellent activity for the polymerization of ethene (7 atm) with activities of up to 34 × 103 kg(mol Ni)-1 h-1 following activation with Et2AlCl. The resulting polymer is characterized by high mol. weights (Mn = 150 × 103 g·mol-1), low branching (12/1000 C), and a high m.p. (Tm = 133 °C). The polymerization of ethene with polar comonomers leads to the formation of the resp. polar polymers with very efficient incorporation of comonomer. The activity of the catalyst critically depends on the molar ratio of Et2AlCl activator and the polar functional group. In the experiment, the researchers used 5-Hexen-1-ol(cas: 821-41-0Application In Synthesis of 5-Hexen-1-ol)

5-Hexen-1-ol(cas: 821-41-0) is used in cyclization to a tetrahydropyran by phenylselenoetherification. It is also used as a building block in synthetic chemistry.Application In Synthesis of 5-Hexen-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts