Category: ethers-buliding-blocks

4-Substituted Thieno[3,2-d]pyrimidines as Dual-Stage Antiplasmodial Derivatives was written by Lagardere, Prisca;Mustiere, Romain;Amanzougaghene, Nadia;Hutter, Sebastien;Franetich, Jean-Francois;Azas, Nadine;Vanelle, Patrice;Verhaeghe, Pierre;Primas, Nicolas;Mazier, Dominique;Masurier, Nicolas;Lisowski, Vincent. And the article was included in Pharmaceuticals in 2022.COA of Formula: C3H9NO The following contents are mentioned in the article:

Malaria remains one of the major health problems worldwide. The increasing resistance of Plasmodium to approved antimalarial drugs requires the development of novel antiplasmodial agents that can effectively prevent and/or treat this disease. Based on the structure of Gamhepathiopine, a 2-tert-butylaminothieno[3,2-d]pyrimidin-4(3H)-one hit, active on the sexual and asexual stages of the parasite and thanked for the introduction of various substituents at position 4 of the thienopyrimidine core e.g., I by nucleophilic aromatic substitution and pallado-catalyzed coupling reactions, a series of 4-substituted thieno[3,2-d]pyrimidines were identified as displaying in vitro activities against both the erythrocytic stage of P. falciparum and the hepatic stage of P. berghei. Among the 28 compounds evaluated, the chloro analog of Gamhepathiopine showed good activity against the erythrocytic stage of P. falciparum, moderate toxicity on HepG2, and better activity against hepatic P. berghei parasites, compared to Gamhepathiopine. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3COA of Formula: C3H9NO).

2-Methoxyethylamine (cas: 109-85-3) 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. 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.COA of Formula: C3H9NO

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

Cu(I)-Catalyzed [2 + 2 + 1] Cycloaddition of Amines, Alkynes, and Ketenes: An Umpolung and Regioselective Approach to Full-Substituted β-Pyrrolinones was written by Wu, Hao;Li, Xinyao;Yan, Zixi;Ma, Nana;Song, Song;Zhang, Guisheng;Jiao, Ning. And the article was included in Organic Letters in 2021.Application of 109-85-3 The following contents are mentioned in the article:

Described here is a Cu-catalyzed [2 + 2 + 1] modular synthesis of full-substituted β-pyrrolinones I [R¹ = Bu, 2,6-dimethylphenyl, benzyl, etc.; R² = Me, Et, t-Bu, benzyl; R³ = Me, Et; E¹ = C(O)OMe, C₂F₅, CF₃] and II [E² = Me, Et; R⁴ = C(O)OMe, Ph, Me, Bn; R⁵ = 4-methoxyphenyl, 4-(methylcarbonyl)phenyl, (4-bromophenyl)methyl, 2-phenylethyl] from simple amines R¹NH₂, alkynes E¹CCC(O)OCH₃, and α-diazo-β-ketoesters R³C(O)C(=N₂)C(O)OR² or enamines E²O(O)CCH=C(R⁴)NHR⁵ with Et 2-diazo-3-oxobutanoate. This approach involving the regioselective C-nucleophilic attack of enamines, uncommon C-nucleophilic addition to ketenes, and umpolung of imines enables the direct synthesis of full-substituted β-pyrrolinones II, which were hardly constructed by traditional synthetic strategies. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Application of 109-85-3).

2-Methoxyethylamine (cas: 109-85-3) 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. Application of 109-85-3

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

Metal-Organic Framework-Mediated Synthesis of One-Dimensional Nitrogen-Doped Molybdenum Carbide for the Cleavage of Lignin and Dimeric Lignin Model Compounds was written by Wang, Qiuyue;Su, Tianmei;Wang, Yu;Chen, Yufang;Lu, Xinqing;Ma, Rui;Fu, Yanghe;Zhu, Weidong. And the article was included in ACS Sustainable Chemistry & Engineering in 2020.Synthetic Route of C9H12O3 The following contents are mentioned in the article:

Molybdenum carbide (Mo₂C) has emerged as a remarkable catalyst for the cleavage of the aromatic carbon-oxygen (C_aryl-O) and alkyl carbon-oxygen (C_alkyl-O) in lignin and lignin model compounds However, the selectivity for the target product, that is phenol, is unsatisfactory due to the secondary alkylation reactions of the primarily produced phenol with the organic solvent used. Here, we report that a one-dimensional nitrogen-doped Mo₂C catalyst (N-Mo₂C@C) mediated from Mo-MOF via a “pyrolysis-carbothermal reduction” process shows a remarkably high selectivity toward phenol and monophenols in the valorization of aryl ethers and lignin because of its controllable phase composition and suitable valence state. The current study provides a method to develop efficient catalysts for lignin conversion into valuable chems. Selective cleavage of the aromatic carbon-oxygen bonds in lignin and lignin dimers can be achieved over a MOF-derived one-dimensional nitrogen-doped molybdenum carbide. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Synthetic Route of C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) 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. 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.Synthetic Route of C9H12O3

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

New tricks of old drugs: Repurposing non-chemo drugs and dietary phytochemicals as adjuvants in anti-tumor therapies was written by Zhang, Mei;Chen, Xianfeng;Radacsi, Norbert. And the article was included in Journal of Controlled Release in 2021.Name: Bisdemethoxycurcumin The following contents are mentioned in the article:

A review. Combination therapy has long been applied to enhance therapeutic effect and deal with the occurrence of multi-drug resistance in cancer treatment. However, the overlapping toxicity of multiple anticancer drugs to healthy tissues and increasing financial burden on patients emerged as major concerns. As promising alternatives to chemo agents, repurposed non-chemo drugs and dietary phytochems. have been investigated as adjuvants to conventional anti-tumor therapeutics, offering a safe and economic strategy for combination therapy. In this review, we aim to highlight the advances in research about combination therapy using conventional therapeutics and repurposed drugs or phytochems. for an enhanced anti-tumor efficacy, along with the mechanisms involved in the synergism. Beyond these, we outlined the potential challenges and solutions for clin. translation of the proposed combination therapy, providing a safe and affordable strategy to improve the reach of cancer therapy to low income regions with such new tricks of old drugs. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Name: Bisdemethoxycurcumin).

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. 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.Name: Bisdemethoxycurcumin

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

Anticancer pH-Responsive Supramolecular Vesicles Fabricated Using Water-Soluble Pillar[5]arene and Curcumin Derivative was written by Zhang, Wang;Yang, Jin;Li, Xusen;Chen, Tianyu;Park, Sumin;Bae, Minjun;Jung, Dayun;Lin, Liwei;Paek, Sun Ha;Piao, Yuanzhe. And the article was included in Materials & Design in 2022.Reference of 33171-05-0 The following contents are mentioned in the article:

A pH-responsive curcuminoid delivery system based on supramol. vesicles was fabricated via a novel host-guest inclusion complex between water-soluble pillar[5]arene (WP5) and hydrophobic bisdemethoxycurcumin (BDMC). This WP5 and BDMC (WP5 ⊃ BDMC) inclusion complex was studied using 1H NMR, UV-vis, and fluorescence spectroscopy. This resulting inclusion complex could self-assemble into well-defined supramol. vesicles by host-guest interactions and presented a significant pH-responsive behavior, which was investigated using dynamic laser scattering, transmission electron microscopy, and UV-vis spectroscopy. The suitable preservation time for WP5 ⊃ BDMC and the construction ratio between host/guest mols. were both of great significance for the aggregated morphol. of supramol. vesicles. Furthermore, the BDMC complexes showed good anticancer ability in vitro, as they could inhibit HepG2 cell proliferation and migration. Therefore, the curcuminoid vesicles could provide a promising platform for drug delivery or food packaging utilization. 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 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. 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.Reference of 33171-05-0

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

The secoiridoid profile of virgin olive oil conditions phenolic metabolism was written by Castillo-Luna, A.;Ledesma-Escobar, C. A.;Gomez-Diaz, R.;Priego-Capote, F.. And the article was included in Food Chemistry in 2022.Computed Properties of C9H12O3 The following contents are mentioned in the article:

The European Food Safety Authority highlights the beneficial effects of olive oil phenols, mainly, secoiridoids. Nevertheless, the metabolism of secoiridoids in humans has not been fully elucidated. This research evaluated the metabolism of secoiridoids in humans after intake of olive oils with diverse phenolic profiles. For this purpose, three extra virgin olive oils (EVOOs) were ingested by six volunteers at scheduled meals, and urine samples were collected the following morning for subsequent LC-MS/MS anal. Using untargeted anal., urinary metabolites revealed representative patterns associated with the various olive oil phenolic contents in absolute and relative terms. We were able to identify metabolites obtained through phase I, phase II, and microbial metabolism with discrimination between tyrosol and hydroxytyrosol derivatives Metabolism of phenols is differentially activated as a function of the olive oil secoiridoids content, and this proof-of-concept study shows how urinary metabolites represent olive oil phenolic content. 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. 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.Computed Properties of C9H12O3

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

Solubilization and extraction of curcumin from Curcuma Longa using green, sustainable, and food-approved surfactant-free microemulsions was written by Degot, Pierre;Huber, Verena;Hofmann, Evamaria;Hahn, Maximilian;Touraud, Didier;Kunz, Werner. And the article was included in Food Chemistry in 2021.Related Products of 33171-05-0 The following contents are mentioned in the article:

Curcumin is a powerful coloring agent widely used in the food industry. Its extraction from the plant Curcuma longa is commonly done with aqueous solvent solutions In contrast to the conventional extraction methods, the present study aimed to compare two different green and bio-based surfactant-free microemulsion (SFME) extraction systems, which are approved for food and yield a higher extracting power of curcuminoids. Two SFMEs, water/ethanol/triacetin and water/diacetin/triacetin, were investigated via dynamic light scattering. Curcumin solubility in binary mixtures consisting of ethanol/triacetin or diacetin/triacetin was studied both exptl. and theor. using UV-Vis measurements and COSMO-RS. The SFMEs were further examined and compared to a common ethanol/water (80/20) extraction mixture with respect to their extracting ability using high performance liquid chromatog. The SFMEs containing ethanol were found to extract ~18% more curcuminoids than the SFMEs containing diacetin and ~53% more than the ordinary ethanol/water mixture This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Related Products of 33171-05-0).

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. 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.Related Products of 33171-05-0

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

Massively Parallel Optimization of the Linker Domain in Small Molecule Dimers Targeting a Toxic r(CUG) Repeat Expansion was written by Vezina-Dawod, Simon;Angelbello, Alicia J.;Choudhary, Shruti;Wang, Kye Won;Yildirim, Ilyas;Disney, Matthew D.. And the article was included in ACS Medicinal Chemistry Letters in 2021.Quality Control of 2-Methoxyethylamine The following contents are mentioned in the article:

RNA contributes to disease pathobiol. and is an important therapeutic target. The downstream biol. of disease-causing RNAs can be short-circuited with small mols. that recognize structured regions. The discovery and optimization of small mols. interacting with RNA is, however, challenging. Herein, we demonstrate a massively parallel one-bead-one-compound methodol., employed to optimize the linker region of a dimeric compound that binds the toxic r(CUG) repeat expansion [r(CUG)^exp] causative of myotonic dystrophy type 1 (DM1). Indeed, affinity selection on a 331,776-member library allowed the discovery of a compound with enhanced potency both in vitro (10-fold) and in DM1-patient-derived myotubes (5-fold). Mol. dynamics simulations revealed addnl. interactions between the optimized linker and the RNA, resulting in ca. 10 kcal/mol lower binding free energy. The compound was conjugated to a cleavage module, which directly cleaved the transcript harboring the r(CUG)^exp and alleviated disease-associated defects. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Quality Control of 2-Methoxyethylamine).

2-Methoxyethylamine (cas: 109-85-3) 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 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.Quality Control of 2-Methoxyethylamine

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

Solvents for Processing Stable Tin Halide Perovskites was written by Di Girolamo, Diego;Pascual, Jorge;Aldamasy, Mahmoud H.;Iqbal, Zafar;Li, Guixiang;Radicchi, Eros;Li, Meng;Turren-Cruz, Silver-Hamill;Nasti, Giuseppe;Dallmann, Andre;De Angelis, Filippo;Abate, Antonio. And the article was included in ACS Energy Letters in 2021.Application of 109-85-3 The following contents are mentioned in the article:

Tin is one of the most promising alternatives to lead to make lead-free halide perovskites for optoelectronics. However, the stability of tin-based perovskites is hindered by the oxidation of Sn(II) to Sn(IV). Recent works established that DMSO, which is one of the best-performing solvents for processing perovskite, is the primary source of tin oxidation The quest for a stable solvent could be a game-changer in the stability of tin-based perovskites. Starting from a database of over 2000 solvents, we identified a series of 12 new solvents suitable for the processing of formamidinium tin iodide perovskite (FASnI3) by investigating (1) the solubility of the precursor chems. FAI and SnI₂, (2) the thermal stability of the precursor solution, and (3) the possibility of forming perovskite. Finally, we demonstrate a new solvent system to produce solar cells outperforming those based on DMSO. Our work provides guidelines for further identification of new solvents or solvent mixtures for preparing stable tin-based perovskites. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Application of 109-85-3).

2-Methoxyethylamine (cas: 109-85-3) 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. 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.Application of 109-85-3

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

Memantine nanoemulsion: a new approach to treat Alzheimer’s disease was written by Kaur, Atinderpal;Nigam, Kuldeep;Srivastava, Sukriti;Tyagi, Amit;Dang, Shweta. And the article was included in Journal of Microencapsulation in 2020.Formula: C10H22O3 The following contents are mentioned in the article:

A nanoemulsion loaded with memantine for intranasal delivery to bypass the blood-brain barrier for the treatment of Alzheimer disease. The nanoemulsion was prepared using homogenisation and ultrasonication methods. The developed nanoemulsion was characterised, in vitro release and antioxidant potential was analyzed. The in vivo studies were carried out by radiolabelling the memantine with technetium pertechnetate. The finalised NE showed particle-size of ~11 nm and percentage transmittance of ~99%. The in vitro release studies showed 80% drug release in simulated nasal fluid. The nanoemulsion showed 98% cell viability and antioxidative assays confirmed that the encapsulation of memantine in a nanoemulsion sustained its antioxidative potential. Gamma images and biodistribution results also confirmed higher uptake of formulation with %radioactivity of 3.6 ± 0.18%/g at 1.5 h in brains of rats administered intranasally. The developed nanoemulsion could be used as a potential carrier of memantine for a direct nose to brain delivery. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Formula: C10H22O3).

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. 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.Formula: C10H22O3

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