Category: ethers-buliding-blocks

Enhanced solubility of bisdemethoxycurcumin by interaction with Tween surfactants: Spectroscopic and coarse-grained molecular dynamics simulation studies was written by Liu, Yinglin;Liu, Min;Yan, Hui;Liu, He;Liu, Jie;Zhao, Yanna;Wu, Yushu;Zhang, Yongfang;Han, Jun. And the article was included in Journal of Molecular Liquids in 2021.HPLC of Formula: 33171-05-0 The following contents are mentioned in the article:

The oral bioavailability of bisdemethoxycurcumin, one of the main active compounds of curcuminoids, can be improved by the encapsulation of surfactant micelles. The interaction of bisdemethoxycurcumin with Tween 20 and Tween 60 micelles was investigated by spectroscopic techniques and mol. dynamics simulation. The binding parameters were obtained from temperature-dependent fluorescence and absorption spectra. The main driving forces were inferred from the enthalpic and entropic contributions. The binding site and surrounding microenvironment of bisdemethoxycurcumin in Tween micelles were evaluated. Coarse-grained mol. dynamics simulations confirmed the binding of bisdemethoxycurcumin with Tween micelles from the microscopic perspective. The influence of different alkyl chains of Tween 20 and Tween 60 on their interaction with bisdemethoxycurcumin and their solubilization capability toward bisdemethoxycurcumin was discussed. These results suggested that Tween 20 and Tween 60, especially Tween 60, can be used as carriers for encapsulating bisdemethoxycurcumin to increase its aqueous solubility This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0HPLC of Formula: 33171-05-0).

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. 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.HPLC of Formula: 33171-05-0

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

Biotransformation of pungent constituents from ginger (Zingiber officinale Roscoe) by Colletotrichum gloeosporioides yields oxidative ortho-ortho coupling products was written by de Avila, Roberta Marques Dias;Toffano, Leonardo;Fernandes, Joao Batista;da Silva, Maria Fatima das Gracas Fernandes;de Sousa, Lorena Ramos Freitas;Vieira, Paulo Cezar. And the article was included in Biocatalysis and Biotransformation in 2022.SDS of cas: 2380-78-1 The following contents are mentioned in the article:

This work investigated the biotransformation of ginger constituents (zingerone, [6]-shogaol, [6]-gingerol, and methyl-[6]-gingerol) by the pathogenic fungus Colletotrichum gloeosporioides. Experiments were carried out with and without deuterium-labeled compounds The product metabolites were analyzed by liquid chromatog. coupled to tandem mass spectrometry and liquid chromatog. solid phase extraction-NMR. Substrates supplied to the fungus were incorporated into metabolic pathways mostly by oxidation reactions, including aromatic carbon-carbon coupling. Zingerone and [6]-gingerol biotransformation products included biphenol dimers. A biodegradation pathway for biphenol formation was proposed based on the presence of the intermediate 4-(2-hydroxyethyl)-2-methoxyphenol, commonly identified from [6]-gingerol and [6]-shogaol biodegradation This intermediate likely originates from a Baeyer-Villiger reaction followed by hydrolysis. The C-C coupling of mols. could result in phenolic oxidative ortho-ortho coupling, suggesting that biphenol dimers are products of C. gloeosporioides laccase catalysis. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1SDS of cas: 2380-78-1).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) 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. 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. SDS of cas: 2380-78-1

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

Curcumin Attenuates Sarcopenia in Chronic Forced Exercise Executed Aged Mice by Regulating Muscle Degradation and Protein Synthesis with Antioxidant and Anti-inflammatory Effects was written by Lee, Da-Yeon;Chun, Yoon-Seok;Kim, Jong-Kyu;Lee, Jeong-Ok;Ku, Sae-Kwang;Shim, Soon-Mi. And the article was included in Journal of Agricultural and Food Chemistry in 2021.Formula: C19H16O4 The following contents are mentioned in the article:

The aim of the current study is to investigate the effects of spray dry powders of Curcuma longa containing 40% curcumin (CM-SD), as a new aqueous curcumin formula, on sarcopenia in chronic forced exercise executed 10 mo old ICR mice. CM-SD (80 and 40 mg/kg) increased calf thicknesses and strengths, total body and calf protein amounts, and muscle weights in both gastrocnemius and soleus muscles. mRNA expressions regarding muscle growth and protein synthesis were induced, while those of muscle degradation significantly declined in CM-SD treatment. CM-SD decreased serum biochem. markers, lipid peroxidation, and reactive oxygen species and increased endogenous antioxidants and enzyme activities. It also reduced immunoreactive myofibers for apoptosis and oxidative stress markers but increased ATPase in myofibers. These results suggest that CM-SD can be an adjunct therapy to exercise-based remedy that prevents muscle disorders including sarcopenia by anti-apoptosis, anti-inflammation, and antioxidation-mediated modulation of gene expressions related to muscle degradation and protein synthesis. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Formula: C19H16O4).

Bisdemethoxycurcumin (cas: 33171-05-0) 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. Polyesters are important plastics, with monomers linked by ester moieties. 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.Formula: C19H16O4

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

Synthesis of Vixotrigine, a Voltage- and Use-Dependent Sodium Channel Blocker. Part 2: Development of a Late-Stage Process was written by Chen, Robbie;Couming, Vincent;Guzowski, John Jr.;Irdam, Erwin;Kiesman, William F.;Kwok, Daw-Iong Albert;Liang, Wenli;Mack, Tamera;O’Brien, Erin M.;Opalka, Suzanne M.;Patience, Daniel;Sahli, Stefan;Walker, Donald G.;Osei-Yeboah, Frederick;Gu, Chaozhan;Zhang, Xin;Stockli, Markus;Stucki, Thiemo;Matzinger, Hanspeter;Kuhn, Roman;Thut, Michael;Grohmann, Markus;Haefner, Benjamin;Lotz, Joerg;Nonnenmacher, Michael;Cerea, Paolangelo. And the article was included in Organic Process Research & Development in 2020.Recommanded Product: 4-Benzyloxyphenol The following contents are mentioned in the article:

As vixotrigine (I·HCl) entered a later clin. phase for trigeminal neuralgia, the development of a sustainable late-stage process was required to meet the supply needs for formulation optimization, phase 3 clin. trials, and registration stability batches (this is the expected com. formulation). In this article, authors describe how the process was streamlined from the early supply route and a comprehensive control strategy was established. Process improvements included improving safety and scalability for a temperature-sensitive Grignard reaction, simplifying unit operations, removal of heterogenous conditions, and route redesign to afford a high yielding, one-pot sequential alkylation and amidation. Improvement in the salt formation step, combined with wet milling, resulted in improved particle properties with enhanced flow properties of the final active pharmaceutical ingredient. The process mass intensity was improved 65% while maintaining drug substance purity at more than 99.8%. This new process has been scaled up to generate metric ton quantities of drug substance. This study involved multiple reactions and reactants, such as 4-Benzyloxyphenol (cas: 103-16-2Recommanded Product: 4-Benzyloxyphenol).

4-Benzyloxyphenol (cas: 103-16-2) 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 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.Recommanded Product: 4-Benzyloxyphenol

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

Synthesis of Vixotrigine, a Voltage- and Use-Dependent Sodium Channel Blocker. Part 2: Development of a Late-Stage Process was written by Chen, Robbie;Couming, Vincent;Guzowski, John Jr.;Irdam, Erwin;Kiesman, William F.;Kwok, Daw-Iong Albert;Liang, Wenli;Mack, Tamera;O’Brien, Erin M.;Opalka, Suzanne M.;Patience, Daniel;Sahli, Stefan;Walker, Donald G.;Osei-Yeboah, Frederick;Gu, Chaozhan;Zhang, Xin;Stockli, Markus;Stucki, Thiemo;Matzinger, Hanspeter;Kuhn, Roman;Thut, Michael;Grohmann, Markus;Haefner, Benjamin;Lotz, Joerg;Nonnenmacher, Michael;Cerea, Paolangelo. And the article was included in Organic Process Research & Development in 2020.HPLC of Formula: 103-16-2 The following contents are mentioned in the article:

As vixotrigine (I·HCl) entered a later clin. phase for trigeminal neuralgia, the development of a sustainable late-stage process was required to meet the supply needs for formulation optimization, phase 3 clin. trials, and registration stability batches (this is the expected com. formulation). In this article, authors describe how the process was streamlined from the early supply route and a comprehensive control strategy was established. Process improvements included improving safety and scalability for a temperature-sensitive Grignard reaction, simplifying unit operations, removal of heterogenous conditions, and route redesign to afford a high yielding, one-pot sequential alkylation and amidation. Improvement in the salt formation step, combined with wet milling, resulted in improved particle properties with enhanced flow properties of the final active pharmaceutical ingredient. The process mass intensity was improved 65% while maintaining drug substance purity at more than 99.8%. This new process has been scaled up to generate metric ton quantities of drug substance. This study involved multiple reactions and reactants, such as 4-Benzyloxyphenol (cas: 103-16-2HPLC of Formula: 103-16-2).

4-Benzyloxyphenol (cas: 103-16-2) 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. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.HPLC of Formula: 103-16-2

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

Recyclable positive azeotropes for the purification of curcumin with optimum purity and solvent capacity was written by Tseng, Jia De;Lee, Hung Lin;Yeh, Kuan Lin;Lee, Tu. And the article was included in Chemical Engineering Research and Design in 2022.Formula: C19H16O4 The following contents are mentioned in the article:

Purification of curcumin (CUR) from crude CUR, which is referred to as curcuminoids, has been conducted by cooling crystallization with the use of two azeotropes of Et acetate/ethanol (AZE-EA/EtOH) and Et acetate/isopropyl alc. (AZE-EA/IPA), as compared to the use of single solvents, including acetone, EA, EtOH, and IPA. According to the determination of crude CUR solubility in those solvents, the effects of stirring, crystallization time, and seeding on the induction time, purity, and yield of CUR product were investigated on a small scale. Especially the effects of the purity of CUR seed crystals have a pos. trend on the CUR purity. Seeding at a high temperature is suggested. The use of AZE-EA/EtOH shows the optimum purity of 94.0% and solvent capacity of 16.0 mg/mL with a yield of 29.0% by seeded cooling crystallization in a single step. Similar results are observed in the larger scale purification of CUR with a higher purity of 94.9%. After purification, the azeotropes can easily be recovered for reuse without changing their compositions, confirmed by GC, d., and b.p. determination This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Formula: C19H16O4).

Bisdemethoxycurcumin (cas: 33171-05-0) 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. 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: C19H16O4

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

Mechanism of stereoselective production of trans-1-decalone by electrochemical catalysis in microemulsions was written by Gao, Jianxin;Njue, Christopher K.;Mbindyo, Jeremiah K. N.;Rusling, James F.. And the article was included in Journal of Electroanalytical Chemistry in 1999.Recommanded Product: 112-59-4 The following contents are mentioned in the article:

Microemulsions made from water, oil and surfactant are attractive alternatives to organic solvents for mediated electrochem. synthesis. Cyclization of 2-(4-bromobutyl)-2-cyclohexen-1-one (1) to 1-decalone (2) mediated by an electrochem. generated cobalt(I) complex favored the trans- form over cis-1-decalone by ∼93:7 in microemulsions, but poorer stereoselectivity was obtained in organic solvents. Microemulsion composition, surfactant type (cationic or anionic), or chirality of the mediator did not significantly influence the trans/cis ratio of 1-decalone. Selective formation of trans-1-decalone in microemulsions is attributed to equilibration of isomers via keto-enol tautomerization catalyzed by hydroxide ions formed by coelectrolysis of water during the reaction. Trans-1-decalone was efficiently produced in 2 h electrolyzes in microemulsions with large volume fractions of water. Organic solvents with trace amounts of water gave little stereoselectivity in similar periods, but longer equilibration times produced larger proportions of trans-1-decalone. 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. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. 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.Recommanded Product: 112-59-4

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

A novel N-nitrosation-based ratiometric fluorescent probe for highly selective imaging endogenous nitric oxide in living cells and zebrafish was written by Liu, Peilian;Li, Bowen;Zheng, Jian;Liang, Qiqi;Wu, Cailing;Huang, Liping;Zhang, Peisheng;Jia, Yongmei;Wang, Sheng. And the article was included in Sensors and Actuators, B: Chemical in 2021.Computed Properties of C3H9NO The following contents are mentioned in the article:

Nitric oxide (NO), a widespread signaling transduction mol. in organism, plays key roles in lots of pathophysiol. processes. Aberrant level of NO is closely related to tumors, cardiovascular and cerebrovascular diseases, neurodegenerative diseases and many other diseases. Therefore, sensing NO in cells and in vivo is of great significance for the study of the chem. biol. of related diseases. Herein, a novel ratiometric fluorescence probe (AC-SA), in which anthracene carboximide used as fluorophore and secondary amines at the 6th position of the fluorophore severed as recognition moiety is rationally designed to detect NO. The AC-SA can capture NO via N-nitrosation reaction to give obvious fluorescence signal change from red to green based on the intramol. charge transfer (ICT) mechanism. The AC-SA features striking ratiometric signal (I525/I625), good sensitivity (4.05 nM), high selectivity for sensing NO over various interferents in physiol. pH. More important, the AC-SA can be applied to image endogenous NO in Raw 264.7 macrophage cells as well as zebrafish in a ratiometric manner. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Computed Properties of C3H9NO).

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, including apples, durians, pears, bananas, pineapples, and strawberries. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Computed Properties of C3H9NO

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

Synergistic and dichotomous effects of nectar phenolics on honey bee colonies was written by Jiang, Xueli;Gao, Jie;Sharif, Muhammad Zahid;Zhang, Xuewen;Liu, Fanglin. And the article was included in Pakistan Journal of Zoology in 2022.Formula: C9H12O3 The following contents are mentioned in the article:

Nectar phenolics have a widespread effect on honey bees and their colonies. Because of their complex, non-linear interactions, it is difficult to assess honey bee health risks from exposure to real-world floral nectar with complex phenolic mixture In the study, we investigate the bee losses of Apis mellifera in the flowering period of the Mexican sunflower Tithonia diversifolia in southwestern China, and use data mining approach to model the relationships between nectar phenolics and bee losses. The results show that bee losses are closely related to the phenolics of isochlorogenic acid, p-coumaric acid, chlorogenic acid and galangin, identified from the sunflower nectar. The nectar phenolics do not cause bee-poisoning to death, but can trigger bee colonies to explore food sources at risk. Also, each of these phenolics acts in a dichotomous mode, with above a certain value destructing colonies and below such value affecting little. This study provides new insight into the mechanism underlying the catastrophic events of bee losses or honey harvests, which have been reported worldwide. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Formula: C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) 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, including apples, durians, pears, bananas, pineapples, and strawberries. 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.Formula: C9H12O3

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

Kinetic study of carbonaceous deposit formation and catalyst deactivation in hydrotreating of fast pyrolysis bio-oil was written by Ma, Xiaoyuechuan;Pang, Shusheng;Xu, Qixiang. And the article was included in Chemical Engineering Science in 2021.Safety of 4-Hydroxy-3-methoxyphenethanol The following contents are mentioned in the article:

Fast pyrolysis of biomass followed by hydrotreating of bio-oil is considered to be a promising thermochem. conversion process of biomass to liquid fuel. Catalytic hydrotreating converts the crude bio-oil from biomass pyrolysis into liquid intermediates with reduced oxygen content, and low viscosity and acidity. However, effective lifetime of catalyst can be significantly reduced by coking which has been recognized as the main cause of catalyst deactivation during the hydrotreating process. In this study, similar phenomenon has been observed but the catalyst deposit was different from the reported coke and thus a new term of carbonaceous deposit is introduced. Kinetics of the carbonaceous deposit formation and its characteristics have been investigated for hydrotreating of bio-oil derived from fast pyrolysis of rice husk using com. HTB-45 Ni-based catalyst. A math. model for the hydrotreating process, which is based on key chem. reactions and consists of ordinary differential equations (ODEs), has been developed and solved with the kinetic parameters being obtained from the experiments Results of this study are helpful for better understanding and optimization of the catalytic upgrading of fast pyrolysis bio-oil. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Safety of 4-Hydroxy-3-methoxyphenethanol).

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. Polyesters are important plastics, with monomers linked by ester moieties. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Safety of 4-Hydroxy-3-methoxyphenethanol

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