Category: ethers-buliding-blocks

Discovery of an Orally Bioavailable, Brain-Penetrating, in Vivo Active Phosphodiesterase 2A Inhibitor Lead Series for the Treatment of Cognitive Disorders was written by Mikami, Satoshi;Sasaki, Shigekazu;Asano, Yasutomi;Ujikawa, Osamu;Fukumoto, Shoji;Nakashima, Kosuke;Oki, Hideyuki;Kamiguchi, Naomi;Imada, Haruka;Iwashita, Hiroki;Taniguchi, Takahiko. And the article was included in Journal of Medicinal Chemistry in 2017.Related Products of 130339-50-3 The following contents are mentioned in the article:

Herein, the authors describe the discovery of a potent, selective, brain-penetrating, in vivo active phosphodiesterase (PDE) 2A inhibitor lead series. To identify high-quality leads suitable for optimization and enable validation of the physiol. function of PDE2A in vivo, structural modifications of the high-throughput screening hit were performed. The lead generation efforts revealed three key potency-enhancing functionalities with minimal increases in mol. weight (MW) and no change in topol. polar surface area (TPSA). Combining these structural elements led to the identification of 6-methyl-N-((1R)-1-(4-(trifluoromethoxy)phenyl)propyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide (38a), a mol. with the desired balance of preclin. properties. Further characterization by cocrystal structure anal. of (38a) bound to PDE2A uncovered a unique binding mode and provided insights into its observed potency and PDE selectivity. Compound (38a) significantly elevated 3′,5′-cGMP levels in mouse brain following oral administration, thus validating this compound as a useful pharmacol. tool and an attractive lead for future optimization. This study involved multiple reactions and reactants, such as 1-(4-(Trifluoromethoxy)phenyl)propan-1-amine (cas: 130339-50-3Related Products of 130339-50-3).

1-(4-(Trifluoromethoxy)phenyl)propan-1-amine (cas: 130339-50-3) 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. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Related Products of 130339-50-3

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

Wetting transitions at the air-liquid interface of water+tetradecane+C₆E₂ mixtures was written by Yeh, Ming-Chih;Chen, Li-Jen. And the article was included in Journal of Chemical Physics in 2001.Application In Synthesis of 2-(2-(Hexyloxy)ethoxy)ethanol The following contents are mentioned in the article:

In this study, the interfacial phenomena and the wetting behaviors of the ternary system water+tetradecane+diethylene glycol monohexyl ether (C₆E₂) were carefully examined at 20°C. There is one three-liquid-phase-coexisting tie triangle and three two-liquid-phase-coexisting envelopes in the triangle phase diagram of the system water+tetradecane+C₆E₂ at 20°C. In the two-liquid-phase-coexisting region on the water/C₆E₂ side, the upper C₆E₂-rich liquid phase exhibits a sequence of transition: nonwetting partial wetting complete wetting at the lower aqueous phase/air interface by simply varying the system composition Similarly, in another two-liquid-phase-coexisting region on the tetradecane/C₆E₂ side, the upper tetradecane-rich liquid phase also demonstrates a sequence of transition at the lower C₆E₂-rich phase/air interface. Some of these wetting transitions can be deduced by the critical wetting theory of Cahn, while the other transitions seem to have no obvious relevance to a critical end point. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Application In Synthesis of 2-(2-(Hexyloxy)ethoxy)ethanol).

2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4) 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. 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 In Synthesis of 2-(2-(Hexyloxy)ethoxy)ethanol

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

Quantitative Dietary Fingerprinting (QDF)-A Novel Tool for Comprehensive Dietary Assessment Based on Urinary Nutrimetabolomics was written by Gonzalez-Dominguez, Raul;Urpi-Sarda, Mireia;Jauregui, Olga;Needs, Paul W.;Kroon, Paul A.;Andres-Lacueva, Cristina. And the article was included in Journal of Agricultural and Food Chemistry in 2020.Application of 2380-78-1 The following contents are mentioned in the article:

Accurate dietary assessment is a challenge in nutritional research, needing powerful and robust tools for reliable measurement of food intake biomarkers. In this work, we have developed a novel quant. dietary fingerprinting (QDF) approach, which enables for the first time the simultaneous quantitation of about 350 urinary food-derived metabolites, including (poly)phenolic aglycons, phase II metabolites, and microbial-transformed compounds, as well as other compounds (e.g., glucosinolates, amino acid derivatives, methylxanthines, alkaloids, and markers of alc. and tobacco consumption). This method was fully validated for 220 metabolites, yielding good linearity, high sensitivity and precision, accurate recovery rates, and negligible matrix effects. Furthermore, 127 addnl. phase II metabolites were also included in this method after identification in urines collected from acute dietary interventions with various foods. Thus, this metabolomic approach represents one-step further toward precision nutrition and the objective of improving the accurateness and comprehensiveness in the assessment of dietary patterns and lifestyles. 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. 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. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Application of 2380-78-1

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

Spontaneous formation of monodisperse vesicles near the cloud point of an aqueous amphiphilic system was written by Murthy, K.;Easwar, N.;Singer, E.. And the article was included in Colloid and Polymer Science in 1998.SDS of cas: 112-59-4 The following contents are mentioned in the article:

Monodisperse vesicular structures were produced spontaneously from an almost structure-less aqueous amphiphilic system: water/di(ethylene glycol) mono-hexyl ether (C₆E₂)/sodium cholate. Individually, neither C₆E₂ nor the bile acid produces noticeable aggregate structures in an aqueous solution However, the presence of small amounts of bile acid in the C₆E₂/water binary system produced large microstructures, besides pushing the miscibility gap to higher temperatures Dynamic light scattering studies indicate the presence of very monodisperse structures of sizes ranging from 15-50 nm in radii. The radii of these structures show strong dependence on the concentrations of the components and on the distance in temperature from the cloud point. For a given set of conditions the sizes are very stable and reproducible. Electron microscopy and conductivity measurements confirm these structures as vesicles. These may be formed due to the association of bile acid with C₆E₂ producing the geometrical parameters necessary for the formation of vesicles. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4SDS of cas: 112-59-4).

2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4) 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.SDS of cas: 112-59-4

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

Targeting Alzheimer’s disease with multimodal polypeptide-based nanoconjugates was written by Duro-castano, A.;Borras, C.;Herranz-perez, V.;Blanco-gandia, M. c.;Conejos-sanchez, I.;Arminan, A.;Mas-bargues, C.;Ingles, M.;Minarro, J.;Rodriguez-arias, M.;Garcia-verdugo, J. m.;Vina, J.;Vicent, M. j.. And the article was included in Science Advances in 2021.Application In Synthesis of Bisdemethoxycurcumin The following contents are mentioned in the article:

Alzheimer’s disease (AD), the most prevalent form of dementia, remains incurable mainly due to our failings in the search for effective pharmacol. strategies. Here, we describe the development of targeted multimodal polypeptide-based nanoconjugates as potential AD treatments. Treatment with polypeptide nanoconjugates bearing propargylamine moieties and bisdemethoxycurcumin or genistein afforded neuroprotection and displayed neurotrophic effects, as evidenced by an increase in dendritic d. of pyramidal neurons in organotypic hippocampal culture. The addnl. conjugation of the Angiopep-2 targeting moiety enhanced nanoconjugate passage through the blood-brain barrier and modulated brain distribution with nanoconjugate accumulation in neurogenic areas, including the olfactory bulb. Nanoconjugate treatment effectively reduced neurotoxic β amyloid aggregate levels and rescued impairments to olfactory memory and object recognition in APP/PS1 transgenic AD model mice. Overall, this study provides a description of a targeted multimodal polyglutamate-based nanoconjugate with neuroprotective and neurotrophic potential for AD treatment. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Application In Synthesis of Bisdemethoxycurcumin).

Bisdemethoxycurcumin (cas: 33171-05-0) 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. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Application In Synthesis of Bisdemethoxycurcumin

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

Hydrothermal Liquefaction of Lignocellulosic Biomass Using Potassium Fluoride-Doped Alumina was written by Alper, Koray;Tekin, Kubilay;Karagoz, Selhan. And the article was included in Energy & Fuels in 2019.Related Products of 2380-78-1 The following contents are mentioned in the article:

Hydrothermal liquefaction (HTL) of spruce wood was performed without and with the use of a potassium fluoride-doped alumina catalyst (KF/Al₂O₃) in a bench-top reactor. HTL runs were performed at 250, 300, and 350°C with residence times of 15, 30, and 60 min. The effects of the catalyst at different catalyst loadings (in concentrations from 10 to 40 wt % of the lignocellulosic biomass) on the bio-oil and solid residue yields as well as their properties were investigated. The use of the catalyst increased the bio-oil yields over twofold and reduced char yields. Gas chromatog.-mass spectrometry anal. revealed that the bio-oil from the noncatalytic and catalytic runs consisted of aldehydes, ketones, phenols, acids, and esters. Among these components, phenolic compounds were dominant in both the noncatalytic and catalytic runs. The relative yields of phenolic compounds increased with catalyst use. The highest heating value was estimated to be approx. 29 MJ/kg. The b.p. distributions of the bio-oils from both runs revealed that the total naphtha fraction (light and heavy) was comparable to that of crude oil. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Related Products 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. Polyesters are important plastics, with monomers linked by ester moieties. 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. Related Products of 2380-78-1

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

Efficient hydrodeoxygenation of lignin-derived phenols and dimeric ethers with synergistic [Bmim]PF₆-Ru/SBA-15 catalysis under acid free conditions was written by Yang, Shaoqi;Lu, Xingmei;Yao, Haoyu;Xin, Jiayu;Xu, Junli;Kang, Ying;Yang, Yongqing;Cai, Guangming;Zhang, Suojiang. And the article was included in Green Chemistry in 2019.Safety of 4-Benzyloxyphenol The following contents are mentioned in the article:

Selective catalytic hydrotreatment of lignin-derived phenols and dimeric ethers into alkanes is crucial for utilization of lignin and its fragments. Herein, we developed an efficient catalytic system with well-dispersed metal nanoparticles supported on SBA-15 synergistic with an ionic liquid The catalytic system could catalyze the hydrodeoxygenation (HDO) of various monomeric and dimeric lignin-derived phenols into the corresponding alkanes under acid free conditions. The synergistic [Bmim]PF₆-Ru/SBA-15 (1-butyl-3-methylimidazolium hexafluorophosphate) catalysis exhibited the best HDO activity for lignin-derived phenols and dimeric ethers with >99.0% conversion and maximum >98.0% selectivity of the corresponding alkanes. The yield of cyclohexane from di-Ph ether was 97.7% with 100% conversion under 2 MPa H₂ at 130 °C for 6 h. The mechanism investigation confirmed that the Ru/SBA-15 catalyst and the anion of [Bmim]PF₆ played crucial roles in the hydrogenation process and deoxidization process, resp. The catalytic system was reused six times for HDO of di-Ph ether to test its stability. This study involved multiple reactions and reactants, such as 4-Benzyloxyphenol (cas: 103-16-2Safety of 4-Benzyloxyphenol).

4-Benzyloxyphenol (cas: 103-16-2) 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.Safety of 4-Benzyloxyphenol

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

Multiple health benefits of curcumin and its therapeutic potential was written by Shah, Muddaser;Murad, Waheed;Mubin, Sidra;Ullah, Obaid;Rehman, Najeeb Ur;Rahman, Habibur Md.. And the article was included in Environmental Science and Pollution Research in 2022.Reference of 33171-05-0 The following contents are mentioned in the article:

A review. Turmeric, or Curcuma longa as it is formally named, is a multifunctional plant with numerous names. It was dubbed “the golden spice” and “Indian saffron” not only for its magnificent yellow color, but also for its culinary use. Turmeric has been utilized in traditional medicine since the dawn of mankind. Curcumin, demethoxycurcumin, and bisdemethoxycurcumin, which are all curcuminoids, make up turmeric. Although there have been significant advancements in cancer treatment, cancer death and incidence rates remain high. As a result, there is an increasing interest in discovering more effective and less hazardous cancer treatments. Curcumin is being researched for its anti-inflammatory, anti-cancer, anti-metabolic syndrome, neuroprotective, and antibacterial properties. Turmeric has long been used as a home remedy for coughs, sore throats, and other respiratory problems. As a result, turmeric and its compounds have the potential to be used in modern medicine to cure a variety of diseases. In this current review, we highlighted therapeutic potential of curcumin and its multiple health benefits on various diseases. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Reference of 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, including apples, durians, pears, bananas, pineapples, and strawberries. 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.Reference of 33171-05-0

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

Production of phenolic chemicals from hydrolysis lignin via catalytic fast pyrolysis was written by Paysepar, Hooman;Venkateswara Rao, Kasanneni Tirumala;Yuan, Zhongshun;Shui, Hengfu;Xu, Chunbao. And the article was included in Journal of Analytical and Applied Pyrolysis in 2020.Application In Synthesis of 4-Hydroxy-3-methoxyphenethanol The following contents are mentioned in the article:

Catalytic fast pyrolysis of hydrolysis lignin was investigated in a drop-tube fixed bed reactor at different temperatures ranging between 400-800°C using zeolite X as a catalyst for the production of phenolic chems. The yield of low mol. weight monomeric phenolics increased considerably while increasing the pyrolysis temperature from 400°C to 450°C, but decreased with further increasing the pyrolysis temperature Zeolite X remarkably increased the yield of monomeric phenolic compounds in the catalytic fast pyrolysis of hydrolysis lignin at all temperatures (400-800°C) compared to fast pyrolysis. No significant changes were observed in the catalyst properties (crystallinity and textural structure) during fast pyrolysis of lignin. The superb activity of the zeolite X catalyst might be owing to its strong acidity and low pore volume Under the best reaction conditions tested in this study (450°C, with zeolite X catalyst), the bio-oil yield was 50.5% in relation to the dry lignin, and the content of monomeric phenolics (mainly guaiacol, syringol, 4-methoxy-3-(methoxymethyl) phenol and metoxyeugenol) was 146.2 mg/g of bio-oil. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Application In Synthesis of 4-Hydroxy-3-methoxyphenethanol).

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. 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 In Synthesis of 4-Hydroxy-3-methoxyphenethanol

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

In search of an efficient frother for pre-flotation of carbonaceous shale from the Kupferschiefer stratiform copper ore was written by Kowalczuk, Przemyslaw B.;Buluc, Batuhan;Sahbaz, Oktay;Drzymala, Jan. And the article was included in Physicochemical Problems of Mineral Processing in 2014.Synthetic Route of C10H22O3 The following contents are mentioned in the article:

Frothers such as aliphatic alcs. (C_nH_2n+1OH), poly(propylene glycols) (HO(C₃H₆O)_mH), poly(propylene glycol) alkyl ethers (C_nH_2n+1O(C₃H₆O)_mH) and poly(ethylene glycol) alkyl ethers (C_nH_2n+1O(C₂H₄O)_mH), can be used for collectorless flotation of a sample of carbonaceous Cu shale manually separated from the Kupferschiefer stratiform Cu ore. Flotation is influenced by the type and dose of frothers. The best flotation results were obtained with tri(propylene glycol) Bu ether C₄P₃, tri(propylene glycol) Pr ether C₃P₃ and tri(propylene glycol) P₃. For these frothers, the yield vs. frother dose relationship was in the form of convex curves indicating that carbonaceous Cu shale can float at relatively low dosages of the frother. These frothers can be used for pre-flotation of carbonaceous matter from the investigated Cu ore. Other frothers formed concave yield-frother dose relationships and were less effective. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Synthetic Route 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. 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.Synthetic Route of C10H22O3

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