Month: November 2022

On July 17, 2020, Liu, Chenjing; Chen, Dengfeng; Fu, Yuanyuan; Wang, Fei; Luo, Jinyue; Huang, Shenlin published an article.Product Details of 53136-21-3 The title of the article was Sulfoxide Reduction/C(sp3)-S Metathesis Cascade in Ionic Liquid. And the article contained the following:

A sulfoxide reduction/C-S bond metathesis cascade between sulfoxides and alkyl bromides has been developed to access high-value sulfides without the use of any catalysts or bases. In this cascade, classical Kornblum oxidation is employed to reduce sulfoxides with alkyl bromides in ionic liquid This protocol features high functional tolerance, mild conditions, promising scalability, and sustainable solvents. The experimental process involved the reaction of Benzyl(4-bromophenyl)sulfane(cas: 53136-21-3).Product Details of 53136-21-3

The Article related to sulfoxide reduction metathesis cascade ionic liquid alkyl bromide, General Organic Chemistry: Synthetic Methods and other aspects.Product Details of 53136-21-3

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

On September 30, 2022, Xia, Cencen; Hao, Xinyu; Jin, Kun; Zhang, Rong; Duan, Chunying; Li, Yaming published an article.Electric Literature of 93-04-9 The title of the article was Visible-Light-Mediated Direct Amidation of Arenes and Heteroarenes with N -Aminopyridinium Salts. And the article contained the following:

A novel photoinduced strategy has been developed for the C-H amidation of aromatics and heteroaromatics by using benzamide radicals such as 1,3,5-trimethylbenzene, 1-methoxynaphthalene, 1-methyl-1H-indole, 1-methyl-1H-pyrrole, etc. with free NH groups generated from N-amidopyridinium salts such as as 1-benzamido-2,4,6-triphenylpyridin-1-ium tetrafluoroborate under visible-light irradiation The new mode of activation of N-amidopyridinium salts proceeds efficiently under mild conditions to give various benzamide derivatives RNHC(O)C6H5 (R = 2,4,6-trimethylphenyl, 1-methoxynaphthalen-2-yl, 1-methyl-1H-indol-3-yl, etc.) with free NH groups. In addition, oxazoline analogs, synthesized by the reaction with styrene, demonstrate a substantial range of prospective applications for this versatile protocol. The experimental process involved the reaction of 2-Methoxynaphthalene(cas: 93-04-9).Electric Literature of 93-04-9

The Article related to benzamide preparation, aminopyridinium salt arene amidation reaction, General Organic Chemistry: Synthetic Methods and other aspects.Electric Literature of 93-04-9

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

On September 30, 2017, Azizi, Mojtaba; Maleki, Ali; Hakimpoor, Farahman published an article.Product Details of 53136-21-3 The title of the article was Solvent, metal and halogen-free synthesis of sulfoxides by using a recoverable heterogeneous urea-hydrogen peroxide silica-based oxidative catalytic system. And the article contained the following:

An efficient and green protocol was used for the selective oxidation of sulfides to sulfoxides by using silica sulfuric acid (SSA) as a recoverable heterogeneous solid acid catalyst in the presence of urea-hydrogen peroxide (UHP) under toxic transition metal-, solvent- and halogen-free conditions at room temperature The present method offers several noteworthy advantages, such as high product yields, easy work-up, non-toxicity, easy preparation and reusability of the catalyst for at least six runs, which make this procedure the most convenient and attractive with low cost of catalyst and oxidant. The experimental process involved the reaction of Benzyl(4-bromophenyl)sulfane(cas: 53136-21-3).Product Details of 53136-21-3

The Article related to sulfoxide preparation urea hydrogen peroxide silica oxidative catalyst, General Organic Chemistry: Synthetic Methods and other aspects.Product Details of 53136-21-3

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

On July 31, 2014, Vaz, Raquel V.; Magalhaes, Ana L.; Silva, Carlos M. published an article.Product Details of 321-28-8 The title of the article was Prediction of binary diffusion coefficients in supercritical CO2 with improved behavior near the critical point. And the article contained the following:

In this work, a predictive model for binary diffusivities at infinite dilution (D12) in SC-CO2 is proposed. It combines two terms – background and singular – with the objective to represent D12 accurately not only far but also near the critical point, where critical enhancement is always observed The model provides an average error of 6.20% for a large database including 149 systems and 4469 data points over wide ranges of temperature and pressure. The models selected for comparison (Wilke-Chang, Scheibel, Lusis-Ratcliff, Lai-Tan, Tyn-Calus and Reddy-Doraiswamy) achieve scattered and biased results, with average errors from 11.62-75.17%. In the whole, the new model exhibits an excellent performance for any kind of mols. in terms of size, mol. weight, polarity and sphericity, in all critical region. In order to help interested readers, a spreadsheet for the calculation of D12 is given in supplementary data. The input data is: temperature, pressure, CO2 viscosity, and solute properties (acentric factor, critical constants, molar volume at normal b.p., and mol. weight – given in this paper for the systems studied). The experimental process involved the reaction of 1-Fluoro-2-methoxybenzene(cas: 321-28-8).Product Details of 321-28-8

The Article related to binary diffusion supercritical carbon dioxide critical point prediction, Unit Operations and Processes: Mass Transfer and other aspects.Product Details of 321-28-8

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

Hamby, Taylor B.; LaLama, Matthew J.; Sevov, Christo S. published an article in 2022, the title of the article was Controlling Ni redox states by dynamic ligand exchange for electroreductive C(sp3)-C(sp2) coupling.Related Products of 93-04-9 And the article contains the following content:

Cross-electrophile coupling (XEC) reactions of aryl and alkyl electrophiles are appealing but limited to specific substrate classes. Here, electroreductive XEC of previously incompatible electrophiles including tertiary alkyl bromides, aryl chlorides, and aryl/vinyl triflates are reported. The reactions rely on the merger of an electrochem. active complex that selectively reacts with alkyl bromides through 1e- processes and an electrochem. inactive Ni0(phosphine) complex that selectively reacts with aryl electrophiles through 2e- processes. Accessing Ni0(phosphine) intermediates is critical to the strategy but is often challenging. Here, a previously unknown pathway for electrochem. generating these key complexes at mild potentials through a choreographed series of ligand-exchange reactions has been uncovered. The mild methodol. is applied to the alkylation of a range of substrates including natural products and pharmaceuticals. The experimental process involved the reaction of 2-Methoxynaphthalene(cas: 93-04-9).Related Products of 93-04-9

The Article related to aryl vinyl halide triflate electroreductive coupling alkyl bromide nickel, General Organic Chemistry: Synthetic Methods and other aspects.Related Products of 93-04-9

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

On December 31, 2022, Huang, Long; Ji, Tengfei; Zhu, Chen; Yue, Huifeng; Zhumabay, Nursaya; Rueping, Magnus published an article.Computed Properties of 93-04-9 The title of the article was Bioinspired desaturation of alcohols enabled by photoredox proton-coupled electron transfer and cobalt dual catalysis. And the article contained the following:

In the biosynthesis of sterols an enzyme-catalyzed demethylation is achieved via a stepwise oxidative transformation of alcs. e.g., 1-(4-methoxyphenyl)cyclodecan-1-ol to olefins e.g., 4-(OCH3)C6H4C(O)(CH2)7CH=CH2. The overall demethylation proceeds through two sequential monooxygenation reactions and a subsequent dehydroformylative saturation To mimic the desaturation processes observed in nature, photoredox proton-coupled electron transfer (PCET) and cobaloxime chem. were successfully integrated for the acceptorless dehydrogenation of alcs. The state-of-the-art remote and precise desaturation of ketones RC(O)(CH2)3CH=CH2 [R = 4-(tert-butoxy)phenyl, phenanthren-9-yl, 1-benzothiophen-2-yl, etc.] proceeds efficiently through the activation of cyclic alcs. I using bond-dissociation free energy (BDFE) as thermodn. driving force. The resulting transient alkoxyl radical allows C-C bond scission to generate the carbon-centered radical remote to the carbonyl moiety. The key intermediate is subsequently combined with cobaloxime photochem. to furnish the alkene. Moreover, the mild protocol can be extended to desaturation of linear alcs. as well as aromatic hydrocarbons. Application to bioactive mols. and natural product derivatives is also presented. The experimental process involved the reaction of 2-Methoxynaphthalene(cas: 93-04-9).Computed Properties of 93-04-9

The Article related to olefin preparation, alc cross coupling reaction photoredox cobalt catalyst, General Organic Chemistry: Synthetic Methods and other aspects.Computed Properties of 93-04-9

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

Wang, Tonglin; Xie, Anqi; Zhang, Dongliang; Liu, Zemiao; Li, Xue; Li, Yang; Sun, Xia published an article in 2021, the title of the article was Analysis of the volatile components in flowers of Paeonia lactiflora Pall. and Paeonia lactiflora Pall. var. Trichocarpa.HPLC of Formula: 150-78-7 And the article contains the following content:

Paeonia lactiflora Pall. var. trichocarpa is a variety of Paeonia lactiflora Pall., and is currently the peony herb’s principal cultivar group. Here, we study the differences in aromatic components and flowers of different varieties between two groups of cultivars, providing a reference for applying natural fragrance substances of peonies, breeding fragrant flower types, and developing and using improved varieties. Headspace solid-phase microextraction (HS-SPME), gas chromatog.-mass spectrometry (GC-MS), peak area normalization for each component relative to content, component library (NIST14/NIST14S) retrieval, and a literature review were used to analyze the volatile compounds in flowers of eight peony varieties, such as “Gaoganhong”, and ten comospore peony varieties, such as “Jinshanhong”. Results showed that the main volatile compound constituents in flowers of the two groups were terpenes and alcs. Addnl., the content of eucalyptol, caryophyllene, α-Pinene, citronellol, and 3-Hexen-1-ol, acetate, (Z) was high. Peony cultivars contained linalool, (1R)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene, and 1,4-dimethoxybenzene, while comospore peony varieties contained 1,3,6-octatriene, 3,7-dimethyl-, (Z)-, phenylethyl alc., and geraniol. In this study, the differences between the volatile components of flowers of different peony varieties were clarified, laying a foundation for further mol. biol. research into the floral fragrance of peonies and the cultivation of new varieties of aromatic peonies. At the same time, it also provides a theor. basis for the development and application of peony flower byproducts. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).HPLC of Formula: 150-78-7

The Article related to analysis volatile component flower paeonia gas chromatogphy mass spectrometry, Plant Biochemistry: Composition and Products and other aspects.HPLC of Formula: 150-78-7

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

Burrows, James; Kamo, Shogo; Koide, Kazunori published an article in 2021, the title of the article was Scalable Birch reduction with lithium and ethylenediamine in tetrahydrofuran.SDS of cas: 578-58-5 And the article contains the following content:

A Birch reduction promoted by lithium and ethylenediamine (or analogs) in THF at ambient temperature were reported. This method is easy to set up, inexpensive, scalable, rapid, accessible to any chem. laboratory and capable of reducing both electron-rich and electron-deficient substrates. This protocol is also compatible with organocuprate chem. for further functionalization. The experimental process involved the reaction of 2-Methylanisole(cas: 578-58-5).SDS of cas: 578-58-5

The Article related to arene lithium ethylenediamine birch reduction, fused cyclohexadiene preparation, General Organic Chemistry: Synthetic Methods and other aspects.SDS of cas: 578-58-5

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Ether – Wikipedia,
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On May 27, 2022, Scattolin, Thomas; Gharbaoui, Tawfik; Chen, Cheng-yi published an article.Synthetic Route of 53136-21-3 The title of the article was A Nucleophilic Deprotection of Carbamate Mediated by 2-Mercaptoethanol. And the article contained the following:

Carbamates, typically used for the protection of amines, including Cbz, Alloc, and Me carbamate, was readily deprotected by treatment with 2-mercaptoethanol in the presence of potassium phosphate tribasic in N,N-dimethylacetamide at 75°C. This nucleophilic deprotection protocol was superior to the standard hydrogenolysis or Lewis acid-mediated deprotection conditions for substrates bearing a functionality sensitive to these more traditional methods. The experimental process involved the reaction of Benzyl(4-bromophenyl)sulfane(cas: 53136-21-3).Synthetic Route of 53136-21-3

The Article related to carbamate mercaptoethanol nucleophilic deprotection, secondary amine preparation, General Organic Chemistry: Synthetic Methods and other aspects.Synthetic Route of 53136-21-3

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Ether – Wikipedia,
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On July 20, 2020, Lielpetere, Anna; Jirgensons, Aigars published an article.Related Products of 93-04-9 The title of the article was Friedel-Crafts Alkylation with Carbenium Ions Generated by Electrochemical Oxidation of Stannylmethyl Ethers. And the article contained the following:

The electrochem. activation of stannylmethyl ethers was exploited for Friedel-Crafts alkylation of arenes at near-neutral conditions. Single cell anodic oxidation of stannylmethyl ethers leads to oxonium ions which fragment to carbenium ions in the presence of electron rich arenes. Low oxidation potential of stannylmethyl ethers and buffered conditions enable the Friedel-Crafts reaction with a wide range of arenes including the substrates with acid-sensitive groups. The experimental process involved the reaction of 2-Methoxynaphthalene(cas: 93-04-9).Related Products of 93-04-9

The Article related to friedel crafts alkylation stannylmethyl ether arene electrochem oxidation carbenium, General Organic Chemistry: Synthetic Methods and other aspects.Related Products of 93-04-9

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