Category: ethers-buliding-blocks

On April 20, 2020, Gong, Guan-Fei; Chen, Yan-Yan; Zhang, You-Ming; Fan, Yan-Qing; Zhao, Qi; An, Jun-Nian; Yao, Hong; Wei, Tai-Bao; Lin, Qi published an article.Recommanded Product: 1,4-Dimethoxybenzene The title of the article was Competition of Exo-wall π-π and Lone Pair-π Interactions: A Viable Approach to Achieve Ultrasensitive Detection and Effective Removal of AsO2- in Water. And the article contained the following:

Arsenite (AsO2-) is a toxic pollutant for the environment and very harmful to human health. Hence, highly selective and ultrasensitive detection of AsO2- is a very significant issue for a scientific researcher. Herein, an efficient approach for ultrasensitive detection of AsO2- (the lowest detection limit is 1.7 nM) was successfully developed by employing competition among lone pair-π and exo-wall π-π interactions in a bicomponent aggregation-induced emission (AIE) π-gel (ST-G) system. In addition, the xerogel powder of ST-G also could efficiently remove AsO2- from water. This work provides an ultrasensitive method for detection and removal of AsO2- in water. An efficient strategy to achieve ultrasensitive detection (LOD = 1.7 nM) and removal of AsO2- in water via the competition of exo-wall π-π and lone pair-π interactions. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).Recommanded Product: 1,4-Dimethoxybenzene

The Article related to arsenite sensor water pillarene xerogel, Placeholder for records without volume info and other aspects.Recommanded Product: 1,4-Dimethoxybenzene

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

Wang, Yang; Jin, Ming; Chen, Zelong; Hu, Xianjun; Pu, Liang; Pei, Zhichao; Pei, Yuxin published an article in 2020, the title of the article was Tumor microenvironment responsive supramolecular glyco-nanovesicles based on diselenium-bridged pillar[5]arene dimer for targeted chemotherapy.Name: 1,4-Dimethoxybenzene And the article contains the following content:

Supramol. glyco-nanovesicles (SeSe-(P5)2⊃Man-NH3+) based on the host-guest complex of a diselenium-bridged pillar[5]arene dimer and a mannose derivative have been successfully developed for the first time, which possessed tumor microenvironment-responsiveness and specific targetability due to their diselenium bonds and mannose units, resp. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).Name: 1,4-Dimethoxybenzene

The Article related to tumor antitumor doxorubicin pillararene, Placeholder for records without volume info and other aspects.Name: 1,4-Dimethoxybenzene

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

Rao, L. Vaikunta; Rao, K. Tirumala; Kandepi, V. V. Krishna Mohan published an article in 2020, the title of the article was A validated RP-HPLC method for estimation of related compounds in hydroxy naproxen.Related Products of 93-04-9 And the article contains the following content:

A simple, linear gradient liquid chromatog. method (RP-HPLC) is proposed for the simultaneous estimation of related compounds in hydroxy naproxen samples. Chromatog. separation was achieved on Zorbax SB C8 (150 x 4.6) mm, 3.5 μm particle size RRLC short column and eluent A used as 0.1% volume/volume trifluoroacetic acid in water and eluent B used as acetonitrile using Agilent RRLC (UHPLC) system. The mobile phase flow rate was 1.0 mL/min and the eluted compounds were monitored at 235 nm for related substance method and assay method. The excellent resolution was obtained between hydroxy naproxen and its related compounds, which were eluted within 25 min. The performance of the method was validated with respect to ICH guidelines for specificity, limit of detection, limit of quantification, linearity, accuracy, precision and robustness. The correlation coefficient(r) was > 0.995 for both the methods from linearity data and percentage of recovery is 98.0 to 102.0 for assay method and 80.0 to 120.0% for related substance method. Sensitivity of the method was found be less than 0.5 μg/mL. Peak homogeneity data for naproxen in the chromatograms from the selectivity solution obtained by use of the photodiode array detector demonstrated the specificity of the method for anal. of hydroxy naproxen in presence of the related compounds The experimental process involved the reaction of 2-Methoxynaphthalene(cas: 93-04-9).Related Products of 93-04-9

The Article related to hydroxy naproxen reverse phase hplc, Placeholder for records without volume info and other aspects.Related Products of 93-04-9

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

On January 25, 2021, Gisbert-Alonso, A.; Navarro-Huerta, J. A.; Torres-Lapasio, J. R.; Garcia-Alvarez-Coque, M. C. published an article.Synthetic Route of 578-58-5 The title of the article was Global retention models and their application to the prediction of chromatographic fingerprints. And the article contained the following:

The resolution of samples containing unknown compounds of different nature, or without standards available, as is the case of chromatog. fingerprints, is still a challenge. Possibly, the most problematic aspect that prevents systematic method development is finding models that describe without bias the retention behavior of the compounds in the samples. In this work, the use of global models (able to describe the whole sample) is proposed as an alternative to the use of individual models for each solute. Global models contain parameters that are specific for each solute, while other parameters -related to the column and solvent- are common for all solutes. A special regression procedure is presented for the construction of global models, which are applied to predict highly complex chromatograms, such as chromatog. fingerprints, for diverse exptl. conditions in isocratic and gradient elution. Another interesting application is the prediction of mol. properties, such as log Po/w, from the specific solute parameters of the global models. The examined adapted models are based on the equations proposed by Snyder, Schoenmakers, Neue and Kuss, Jandera, and Bosch Roseś to describe the retention. In all cases, the predictive capability was very satisfactory. Two cases of study were considered: chromatograms of chamomile extracts analyzed using acetonitrile gradients, and a set of 145 known compounds in a wide range of structures and functionalities, eluted isocratically with acetonitrile/water mobile phases. The experimental process involved the reaction of 2-Methylanisole(cas: 578-58-5).Synthetic Route of 578-58-5

The Article related to global retention model chromatog fingerprints, global retention models, gradient elution, hplc, medicinal plants, prediction of chromatographic fingerprints, Organic Analytical Chemistry: Separations and other aspects.Synthetic Route of 578-58-5

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

On July 31, 2020, Van Gelder, Kristen; Forrester, Taylor; Akhtar, Tariq A. published an article.Electric Literature of 91-16-7 The title of the article was Evidence from stable-isotope labeling that catechol is an intermediate in salicylic acid catabolism in the flowers of Silene latifolia (white campion). And the article contained the following:

Main conclusion: A stable isotope-assisted mass spectrometry-based platform was utilized to demonstrate that the plant hormone, salicylic acid, is catabolized to catechol, a widespread secondary plant compound Accordingly, in this study a series of stable isotope feeding experiments were performed with Silene latifolia (white campion) to explore possible routes of SA breakdown. S. latifolia flowers that were fed a solution of [2H6]-salicylic acid emitted the volatile and potent pollinator attractant, 1,2-dimethoxybenzene (veratrole), which contained the benzene ring-bound deuterium atoms. After feeding flowers with [2H6]-catechol, the stable isotope was recovered in veratrole as well as its precursor, guaiacol. Addition of a trapping pool of guaiacol in combination with [2H6]-salicylic acid resulted in the accumulation of the label into catechol. Finally, we provide evidence for catechol O-methyltransferase enzyme activity in a population of S. latifolia that synthesizes veratrole from guaiacol. This activity was absent in non-veratrole emitting flowers. Taken together, these results imply the conversion of salicylic acid to veratrole in the following reaction sequence: salicylic acid > catechol > guaiacol > veratrole. This catabolic pathway for SA may also be embedded in other lineages of the plant kingdom, particularly those species which are known to accumulate catechol. The experimental process involved the reaction of 1,2-Dimethoxybenzene(cas: 91-16-7).Electric Literature of 91-16-7

The Article related to silene flower catechol salicylic acid catabolism isotope, catabolism, catechol, o-methyltransferase, phytohormone, salicylic acid, Plant Biochemistry: Development and Aging and other aspects.Electric Literature of 91-16-7

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

Mekapothula, Subbareddy; Addicoat, Matthew A.; Boocock, David J.; Wallis, John D.; Cragg, Peter J.; Cave, Gareth W. V. published an article in 2020, the title of the article was Silica bound co-pillar[4+1]arene as a novel supramolecular stationary phase.Synthetic Route of 150-78-7 And the article contains the following content:

A novel co-pillar[4+1]arene incorporating 2 bromo-octyl substituents was synthesized for the 1st time, using microwave irradiation in high yield (88%) in under 4 min, and bound to the surface of chromatog. SiO2 particles. The resulting new stationary phase was successfully used to sep. xylene isomers via liquid chromatog. techniques. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).Synthetic Route of 150-78-7

The Article related to silica pillar arene supramol liquid chromatog stationary phase irradiation, Organic Analytical Chemistry: Separations and other aspects.Synthetic Route of 150-78-7

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

On September 7, 2012, Sakai, Norio; Miyazaki, Takahiro; Sakamoto, Tomohiro; Yatsuda, Takuma; Moriya, Toshimitsu; Ikeda, Reiko; Konakahara, Takeo published an article.SDS of cas: 53136-21-3 The title of the article was Single-step thioetherification by indium-catalyzed reductive coupling of carboxylic acids with thiols. And the article contained the following:

Direct thioetherification from a variety of aromatic carboxylic acids and thiols using a reducing system combined with InBr3 and 1,1,3,3-teramethyldisiloxane (TMDS) in a one-pot procedure is demonstrated. It was also found that a system combined with InI3 and TMDS underwent thioetherification of aliphatic carboxylic acids with thiols. The experimental process involved the reaction of Benzyl(4-bromophenyl)sulfane(cas: 53136-21-3).SDS of cas: 53136-21-3

The Article related to carboxylic acid thioetherification reductive coupling thiol indium catalyst, Aliphatic Compounds: Alcohols and Thiols and other aspects.SDS of cas: 53136-21-3

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

Teng, Kun-Xu; Niu, Li-Ya; Yang, Qing-Zheng published an article in 2022, the title of the article was A host-guest strategy for converting the photodynamic agents from a singlet oxygen generator to a superoxide radical generator.Category: ethers-buliding-blocks And the article contains the following content:

Type-I photosensitizers (PSs) generate cytotoxic oxygen radicals by electron transfer even in a hypoxic environment. Nevertheless, the preparation of type-I PSs remains a challenge due to the competition of triplet-triplet energy transfer with O2 (type-II process). In this work, we report an effective strategy for converting the conventional type-II PS to a type-I PS by host-guest complexation. Electron-rich pillar[5]arenes are used as an electron donor and macrocyclic host to produce a host-guest complex with the traditional electron-deficient type-II PS, an iodide BODIPY-based guest. The host-guest complexation promotes intermol. electron transfer from the pillar[5]arene moiety to BODIPY and then to O2 by the type-I process upon light-irradiation, leading to efficient generation of the superoxide radical (O2- ). The results of anti-tumor studies indicate that this supramol. PS demonstrates high photodynamic therapy efficacy even under hypoxic conditions. This work provides an efficient method to prepare type-I PSs from existing type-II PSs by using a supramol. strategy. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).Category: ethers-buliding-blocks

The Article related to hypoxia photodynamics oxygen type ii photosensitizer glassy carbon electrode, Placeholder for records without volume info and other aspects.Category: ethers-buliding-blocks

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

On November 30, 2021, Wang, Dongdong; Gong, Wanbing; Zhang, Jifang; Han, Miaomiao; Chen, Chun; Zhang, Yunxia; Wang, Guozhong; Zhang, Haimin; Zhao, Huijun published an article.Name: 2-Methylanisole The title of the article was Encapsulated Ni-Co alloy nanoparticles as efficient catalyst for hydrodeoxygenation of biomass derivatives in water. And the article contained the following:

Catalytic hydrodeoxygenation (HDO) is one of the most promising strategies to transform oxygen-rich biomass derivatives into high value-added chems. and fuels, but highly challenging due to the lack of highly efficient nonprecious metal catalysts. Herein, we report for the first time of a facile synthetic approach to controllably fabricate well-defined Ni-Co alloy NPs confined on the tip of N-CNTs as HDO catalyst. The resultant Ni-Co alloy catalyst possesses outstanding HDO performance towards biomass-derived vanillin into 2-methoxy-4-methylphenol in water with 100% conversion efficiency and selectivity under mild reaction conditions, surpassing the reported high performance nonprecious HDO catalysts. Impressively, our exptl. results also unveil that the Ni-Co alloy catalyst can be generically applied to catalyze HDO of vanillin derivatives and other aromatic aldehydes in water with 100% conversion efficiency and over 90% selectivity. Importantly, our DFT calculations and exptl. results confirm that the achieved outstanding HDO catalytic performance is due to the greatly promoted selective adsorption and activation of C=O, and desorption of the activated hydrogen species by the synergism of the alloyed Ni-Co NPs. The findings of this work affords a new strategy to design and develop efficient transition metal-based catalysts for HDO reactions in water. The experimental process involved the reaction of 2-Methylanisole(cas: 578-58-5).Name: 2-Methylanisole

The Article related to nickel cobalt alloy nanoparticle water biomass catalytic hydrodeoxygenation, Placeholder for records without volume info and other aspects.Name: 2-Methylanisole

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

On November 30, 2021, Xiang, Yu; Yu, Xianglin; Li, Yaqin; Chen, Jingying; Wu, Jinjun; Wang, Lixia; Chen, Dugang; Li, Junbo; Zhang, Qichun published an article.Quality Control of 1,2-Dimethoxybenzene The title of the article was Covalent organic framework as an efficient fluorescence-enhanced probe to detect aluminum ion. And the article contained the following:

The fluorescence of two-dimensional (2D) covalent organic frameworks (COFs) are generally quenched by the strong layer-layer π-π stacking or the intramol. rotation. However, the latter effect can be reduced if the intramol. rotation in COFs can be restricted through the selective coordination with metal ions or small mols. Herein, we demonstrate that the fluorescence of p-methoxyl group-substituted imine-based COFs can be dramatically enhanced after coordination with Al3+ compared with other metal cations (i.e. Fe3+, Ni2+, Cd2+, Mn2+, Co2+, Zn2+, Hg2+, Ba2+, Mg2+ and K+) while o-methoxyl group-substituted one has no such phenomena, which might be due to the rotation of the uncoordinated C=N and C-O bonds in one side. The experimental process involved the reaction of 1,2-Dimethoxybenzene(cas: 91-16-7).Quality Control of 1,2-Dimethoxybenzene

The Article related to covalent organic framework fluorescence enhanced probe detect aluminum ion, Placeholder for records without volume info and other aspects.Quality Control of 1,2-Dimethoxybenzene

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