Category: ethers-buliding-blocks

EED-Targeted PROTACs Degrade EED, EZH2, and SUZ12 in the PRC2 Complex was written by Hsu, Jessie Hao-Ru;Rasmusson, Timothy;Robinson, James;Pachl, Fiona;Read, Jon;Kawatkar, Sameer;O’ Donovan, Daniel H.;Bagal, Sharan;Code, Erin;Rawlins, Philip;Argyrou, Argyrides;Tomlinson, Ronald;Gao, Ning;Zhu, Xiahui;Chiarparin, Elisabetta;Jacques, Kelly;Shen, Minhui;Woods, Haley;Bednarski, Emma;Wilson, David M.;Drew, Lisa;Castaldi, M. Paola;Fawell, Stephen;Bloecher, Andrew. And the article was included in Cell Chemical Biology in 2020.Formula: C13H12O2 The following contents are mentioned in the article:

Deregulation of the PRC2 complex, comprised of the core subunits EZH2, SUZ12, and EED, drives aberrant hypermethylation of H3K27 and tumorigenicity of many cancers. Although inhibitors of EZH2 have shown promising clin. activity, preclin. data suggest that resistance can be acquired through secondary mutations in EZH2 that abrogate drug target engagement. To address these limitations, we have designed several hetero-bifunctional PROTACs (proteolysis-targeting chimera) to efficiently target EED for elimination. Our PROTACs bind to EED (pK_D ~9.0) and promote ternary complex formation with the E3 ubiquitin ligase. The PROTACs potently inhibit PRC2 enzyme activity (pIC₅₀ ~8.1) and induce rapid degradation of not only EED but also EZH2 and SUZ12 within the PRC2 complex. Furthermore, the PROTACs selectively inhibit proliferation of PRC2-dependent cancer cells (half maximal growth inhibition [GI₅₀] = 49-58 nM). In summary, our data demonstrate a therapeutic modality to target PRC2-dependent cancer through a PROTAC-mediated degradation mechanism. This study involved multiple reactions and reactants, such as 4-Benzyloxyphenol (cas: 103-16-2Formula: C13H12O2).

4-Benzyloxyphenol (cas: 103-16-2) belongs to ethers. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Formula: C13H12O2

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

Isolation of natural flavoring compounds from cooperage woods by pressurized hot water extraction (PHWE) was written by Alarcon, Marina;Diaz-Maroto, M. Consuelo;Perez-Coello, M. Soledad;Alanon, M. Elena. And the article was included in Holzforschung in 2019.Computed Properties of C9H12O3 The following contents are mentioned in the article:

Cooperage woods are rich in volatile compounds responsible for pleasant aromas described as coconut, vanilla, spice, caramel, toasty, etc. In the present work, the hot water extraction under 103 bar pressure of natural flavoring compounds from cooperage wood residues is described. It was possible to obtain aqueous extracts rich in diverse volatile compounds from the following wood species: oak (Quercus alba and Quercus petraea), chestnut (Castanea sativa), cherry (Prunus avium), false acacia (Robinia pseudoacacia) and lenga (Nothofagus pumilio), while the concentration of the components is similar to that obtained with organic solvents. The gas chromatog.-mass spectrometry (GC-MS) anal. of aqueous extracts shows a wide spectrum of natural flavoring compounds, the composition of which are species dependent. The extracts exhibit antioxidant properties. Water extraction under subcritical conditions offers the possibility of a sustainable recovery of natural flavorings and antioxidant compounds from cooperage woods, which are well suited for application in the food industry. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Computed Properties of C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Computed Properties of C9H12O3

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

Chemical constituents from the stems of Machilus philippinensis Merr. and the neuroprotective activity of cinnamophilin was written by Tai, Shih-Huang;Kuo, Ping-Chung;Lam, Sio Hong;Huang, Shiow-Chyn;Kuo, Yi-Zhuan;Hung, Hsin-Yi;Liou, Meei-Jen;Shieh, Po-Chuen;Lee, E.-Jian;Wu, Tian-Shung. And the article was included in RSC Advances in 2019.COA of Formula: C9H12O3 The following contents are mentioned in the article:

The Machilus genus (Lauraceae) had been extensively utilized in folk medicine due to its broad range of bioactivities. In the present study, a series of chromatog. separation of the methanol extract of stems of M. philippinensis led to the identification of thirty eight compounds totally. Among these, biscinnamophilin (1), machilupins A-C (2-4), machilutone A (5), and machilusoxide A (6) were new compounds reported for the first time. In addition, 5 was characterized with a unprecedented carbon skeleton. Other known compounds, including the major compounds cinnamophilin (7) and meso-dihydroguaiaretic acid (8), are identified by comparison of their phys. and spectroscopic data with reported values. One of the reported compounds, cinnamophilin A (10), should be revised as dehydroguaiaretic acid (9) after careful comparison of all the ¹H and ¹³ C NMR data. Moreover, the neuroprotective activity of cinnamophilin (7) was examined in a primary cortical neuron culture and the results indicated that 7 was effective against glutamate induced excitotoxicity. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1COA of Formula: C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.COA of Formula: C9H12O3

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

In vitro and in silico evaluation of EGFR targeting activities of curcumin and its derivatives was written by Liang, Yuan;Zhao, Jingqi;Zou, Haoyang;Zhang, Jie;Zhang, Tiehua. And the article was included in Food & Function in 2021.Quality Control of Bisdemethoxycurcumin The following contents are mentioned in the article:

As polyphenols from Curcuma longa, curcumin and its derivatives possess numerous bioactivities. Herein, the epidermal growth factor receptor (EGFR) targeting activities of curcumin and its derivatives, as well as their structure-activity relationship were investigated. All of the tested compounds exhibited significant inhibition activities against EGFR kinase in homogeneous time-resolved fluorescence assay. Then their antiproliferative activities against Caco-2 were confirmed. The expressions of EGFR and phospho-EGFR proteins were regulated by curcumin and its derivatives The 3,5-dione and methoxyl groups exerted significant influence on their electrostatic interactions with EGFR. Both hydrogen bonds and hydrophobic contacts were crucial for their binding with EGFR. Interestingly, their EGFR targeting activities were structure-dependent. The binding stabilities of curcumin and its derivatives were different from each other due to their structural diversity. This work indicated that curcumin and its derivatives were potential tyrosine kinase inhibitors that target EGFR. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Quality Control of Bisdemethoxycurcumin).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Quality Control of Bisdemethoxycurcumin

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

Absorption, Distribution, Metabolism, and Excretion of the Main Olive Tree Phenols and Polyphenols: A Literature Review was written by Galmes, Sebastia;Reynes, Barbara;Palou, Mariona;Palou-March, Andreu;Palou, Andreu. And the article was included in Journal of Agricultural and Food Chemistry in 2021.Application of 2380-78-1 The following contents are mentioned in the article:

A review. The effects of olive tree (poly)phenols (OPs) are largely dependent upon their bioavailability and metabolization by humans. Absorption, distribution, metabolism, and excretion (ADME) are fundamental for the nutritional efficacy and toxicol. impact of foods containing OPs. This review includes studies on the administration of hydroxytyrosol (HT), oleuropein (Ole), or other OPs and foods, products, or mixtures that contain them. Briefly, data from in vivo studies indicate that OPs are absorbable by intestinal cells. Both absorption and bioavailability depend upon each compound and/or the matrix in which it is contained. OPs metabolism begins in enterocytes and can also continue in the liver. Metabolic phase I mainly consists of the hydrolysis of Ole, which results in an increase in the HT content. Phase II metabolic reactions involve the conjugation of (poly)phenols mainly with glucuronide and sulfate groups. This review offers a complete perspective of the ADME processes of OPs, which could support the future nutritional and/or toxicol. studies in this area. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Application of 2380-78-1).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Application of 2380-78-1

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

Effect of the proportion of curcuminoids on the gastroprotective action of Curcuma longa L. in rats was written by Orona-Ortiz, Alejandra;Velazquez-Moyado, Josue A.;Pineda-Pena, Elizabeth A.;Balderas-Lopez, Jose Luis;Tavares Carvalho, Jose Carlos;Navarrete, Andres. And the article was included in Natural Product Research in 2021.Electric Literature of C19H16O4 The following contents are mentioned in the article:

The gastroprotective effect of a turmeric acetone extract (TAE) (Curcuma longa L. [Zingiberaceae]) was evaluated and compared against its major curcuminoids; curcumin (CUR), demethoxycurcumin (DMC) and bisdemethoxycurcumin (BDMC). Addnl., to demonstrate the importance of the metabolites’ ratio in the extract on the synergistic effect, different mixtures were evaluated. An ethanol-induced gastric injury model was used to evaluate the gastroprotection activity in Wistar rats. The pharmacol. interaction anal. was performed using the Combination Index (CI)-Isobologram Equation method. The CI calculated at 0.5 of affected fraction (fa) for the TAE indicated a synergistic interaction between its components. However, when the proportion of curcuminoids changed from 3.7:1:10 in TAE to a 1:1:1 ratio, the CI implied an antagonistic effect. The binary combinations of curcuminoids (1:1) also showed an antagonistic interaction. The results of this work suggest that the proportion of curcuminoids in the TAE is crucial for the gastroprotective effect against ethanol-induced damage. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Electric Literature of C19H16O4).

Bisdemethoxycurcumin (cas: 33171-05-0) belongs to ethers. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Electric Literature of C19H16O4

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

Discovery of Potent and Broad-Spectrum Pyrazolopyridine-Containing Antivirals against Enteroviruses D68, A71, and Coxsackievirus B3 by Targeting the Viral 2C Protein was written by Hu, Yanmei;Kitamura, Naoya;Musharrafieh, Rami;Wang, Jun. And the article was included in Journal of Medicinal Chemistry in 2021.Recommanded Product: 2-Methoxyethylamine The following contents are mentioned in the article:

The enterovirus genus of the picornavirus family contains many important human pathogens. EV-D68 primarily infects children, and the disease manifestations range from respiratory illnesses to neurol. complications such as acute flaccid myelitis (AFM). EV-A71 is a major pathogen for the hand, foot, and mouth disease (HFMD) in children and can also lead to AFM and death in severe cases. CVB3 infection can cause cardiac arrhythmias, acute heart failure, as well as type 1 diabetes. There is currently no FDA-approved antiviral for any of these enteroviruses. In this study, we report our discovery and development of pyrazolopyridine-containing small mols. such as I with potent and broad-spectrum antiviral activity against multiple strains of EV-D68, EV-A71, and CVB3. Serial viral passage experiments, coupled with reverse genetics and thermal shift binding assays, suggested that these mols. target the viral protein 2C. Overall, the pyrazolopyridine inhibitors represent a promising class of candidates for the urgently needed nonpolio enterovirus antivirals. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Recommanded Product: 2-Methoxyethylamine).

2-Methoxyethylamine (cas: 109-85-3) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Recommanded Product: 2-Methoxyethylamine

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

Controlled lignosulfonate depolymerization via solvothermal fragmentation coupled with catalytic hydrogenolysis/hydrogenation in a continuous flow reactor was written by Brandi, Francesco;Antonietti, Markus;Al-Naji, Majd. And the article was included in Green Chemistry in 2021.Application of 2380-78-1 The following contents are mentioned in the article:

Sodium lignosulfonate (LS) was valorized to low mol. weight (M_w) fractions by combining solvothermal (SF) and catalytic hydrogenolysis/hydrogenation fragmentation (SHF) in a continuous flow system. This was achieved in either alc./H₂O (EtOH/H₂O or MeOH/H₂O) or H₂O as a solvent and Ni on nitrogen-doped carbon as a catalyst. The tunability according to the temperature of both SF and catalytic SHF of LS has been sep. investigated at 150°C, 200°C, and 250°C. In SF, the minimal M_w was 2994 g mol^-1 at 250°C with a dispersity (D) of 5.3 using MeOH/H₂O. In catalytic SHF using MeOH/H₂O, extremely low M_w was found (433 mg gLS^-1) with a D of 1.2 combined with 34 mg gLS^-1. The monomer yield was improved to 42 mg gLS^-1 using dual catalytic beds. These results provide direct evidence that lignin is an unstable polymer at elevated temperatures and could be efficiently deconstructed under hydrothermal conditions with and without a catalyst. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Application of 2380-78-1).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Application of 2380-78-1

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

Electroconductometric determination of completely engulfing Maxwell-type three-phase emulsions was written by Lee, Jong-Moon;Lim, Kyung-Hee. And the article was included in Journal of Industrial and Engineering Chemistry (Seoul, Republic of Korea) in 2003.Electric Literature of C10H22O3 The following contents are mentioned in the article:

The completely engulfing Maxwell-type morphol. of 3-phase emulsions was determined by the elec. method in which elec. conductivities of the emulsions were measured at various relative amounts of the equilibrium phases and fit to the conductivity equations of this morphol. The Maxwell-type 3-phase emulsions can be regarded as (i) the drops as 2-phase emulsions were dispersed in the continuous 3rd phase from the standpoint of the morphol. and (ii) the drops of one phase are dispersed in the continuous phase as emulsions composed of the other 2 phases from the standpoint of the way the 3-phase emulsions are prepared Previously the Maxwell-type morphol. could not be determined by the elec. method because the equation for the case (i) was used. However, the conductivities calculated by the equation for the case (ii) were in excellent agreement with the measured ones and the Maxwell-type morphol. could be determined This result implies that elec. conductivity behavior of completely engulfing Maxwell-type 3-phase emulsions should be examined from the way they are formed. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Electric Literature of C10H22O3).

2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Electric Literature of C10H22O3

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

Prediction of flash points of pure organic compounds: Evaluation of the DIPPR database was written by Alibakhshi, A.;Mirshahvalad, H.;Alibakhshi, S.. And the article was included in Process Safety and Environmental Protection in 2017.Recommanded Product: 112-59-4 The following contents are mentioned in the article:

The flash point is one of the most important flammability properties of compounds for the design of inherently safe processes. Many models have been developed to predict the flash point using the DIPPR database. However, for only 740 of the 1628 organic compounds available in the DIPPR database, the data for both flash point and normal b.p. were exptl. determined For the other compounds, at least one of these properties was predicted and therefore is not appropriate for model development. The present study introduces a model to predict the flash points of pure organic compounds using their mol. structures and normal b.ps. The new model exploits the equality of the relative errors observed for the normal b.p. and flash point values predicted using the Joback method. Consequently, the relative error of the predicted normal b.ps. can be used as a scaling factor to modify the predicted flash points. The ability of the model to evaluate the accuracy of a database was investigated. The ratio of the relative error of the predicted flash point to the relative error of the predicted normal b.p. obtained using the Joback method was proposed as a measure to evaluate the accuracy of flash point data. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Recommanded Product: 112-59-4).

2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Recommanded Product: 112-59-4

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