Month: November 2022

Group-Assisted-Purification Chemistry Strategy for the Efficient Assembly of Cyclic Fused Pyridinones was written by Ke, Di;Wu, You;Zhang, Lei;Shao, Jiaan;Yu, Yongping;Chen, Wenteng. And the article was included in Synthesis in 2022.Reference of 109-85-3 The following contents are mentioned in the article:

A group-assisted-purification (GAP) chem. strategy-based Ugi four-center three-component reaction (Ugi-4C-3CR) was explored. The reaction proceeded well to deliver the cyclic fused pyridinones selectively. Moreover, the reaction conditions were mild and avoided addnl. chromatog. or recrystallization workup. Also, wide variations in substrates, such as anilines and aliphatic amines as well as amino alcs. and amino acid esters were all tolerated and pyridinones are achieved in good to excellent yields. Importantly, ladder-type cyclic fused pyridinones can be further constructed in excellent yield of 91%. This study involved multiple reactions and reactants, such as 2-Methoxyethylamine (cas: 109-85-3Reference of 109-85-3).

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. 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.Reference of 109-85-3

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

Nickel-Catalyzed Decarbonylative Borylation of Amides: Evidence for Acyl C-N Bond Activation was written by Hu, Jiefeng;Zhao, Yue;Liu, Jingjing;Zhang, Yemin;Shi, Zhuangzhi. And the article was included in Angewandte Chemie, International Edition in 2016.Electric Literature of C12H17BO3 The following contents are mentioned in the article:

A Ni/N-heterocyclic carbene catalytic system was established for decarbonylative borylation of amides with B₂nep₂ (nep = neopentylglycolato) by C-N bond activation. This transformation shows good functional-group compatibility and can serve as a powerful synthetic tool for late-stage borylation of amide groups in complex compounds More importantly, as a key intermediate, the structure of an acyl Ni complex was 1st confirmed by x-ray anal. Also, the decarbonylative process was also observed These findings confirm the key mechanistic features of the acyl C-N bond activation process. This study involved multiple reactions and reactants, such as 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1Electric Literature of C12H17BO3).

2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1) 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.Electric Literature of C12H17BO3

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

Macrotricolorin A, a new diarylpropanoid from the Vietnamese plant Macrosolen tricolor (Lecomte) Danser was written by Le, Kieu Hung;Bui, Thi Kim Ngan;Pham, Nguyen Kim Tuyen;Dang, Van Son;Ngo, Trong Nghia;Phan, Nhat Minh;Bui, Trong Dat;Tran, Trong Duc;Nguyen, Quan Hien;Ngo, Quoc Luan;Mai, Dinh Tri;Nguyen, Tan Phat. And the article was included in Natural Product Research in 2022.Name: Bisdemethoxycurcumin The following contents are mentioned in the article:

From the Vietnamese plant Macrosolen tricolor (Lecomte) Danser, one new diarylpropanoid, named macrotricolorin A () together with three diarylheptanoids including bisdemethoxycurcumin (), demethoxycurcumin () and curcumin (), were isolated. Their structures were elucidated by intensive analyses of their IR, UV, HR-ESI-MS and NMR (1 D & 2 D) spectra. It is the first time that diarylalkanoids have been reported from the genus Macrosolen. Compound exhibited anti-inflammatory activity against the nitric oxide (NO) production in lipopolysaccharide (LPS)-induced RAW264.7 with an IC50 value of 27.54 ± 1.75 μM. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Name: Bisdemethoxycurcumin).

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. 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.Name: Bisdemethoxycurcumin

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

MOCVD precursor design issues. Recent advances in the chemistry and vapor pressure characteristics of Ba(hexafluoroacetylacetonate)₂·polyether complexes was written by Marks, T. J.;Belot, J. A.;Reedy, C. J.;McNeely, R. J.;Studebaker, D. B.;Neumayer, D. A.;Stern, C. L.. And the article was included in Journal of Alloys and Compounds in 1997.HPLC of Formula: 112-59-4 The following contents are mentioned in the article:

This contribution presents synthetic, structural and volatility results for new Ba(hfa)₂·polyether (hfa = 1,1,1,5,5,5-hexafluoropentane-2,4-dionate) MOCVD precursors. The major emphasis of this study is on the synthesis and characterization of new Ba(hexafluoroacetylacetonate)₂·polyether complexes as on well as elucidating relations between volatility, m.p. and mol. architecture using a variety of techniques, including reduced pressure TGA. The results provide insights into tuning Ba precursor volatility characteristics based on straightforward modifications of the polyether structure. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4HPLC of Formula: 112-59-4).

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

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

Chemical constituents of Dolomiaea berardioidea was written by Huang, Ying-ying;Xie, Yang-guo;Zhu, Sheng-lan;Yan, Shi-kai;Jin, Hui-zi. And the article was included in Chemistry of Natural Compounds in 2019.Safety of 4-Hydroxy-3-methoxyphenethanol The following contents are mentioned in the article:

Nine known compounds were isolated and identified from the whole plant of Dolomiaea berardioidea, commonly known as “Hou Ye Chuan Mu Xiang” in traditional Chinese medicine. The compounds include five aromatic compounds, three phenylpropanoids, and one monoterpene: trichomanin (1) [3], 1,2-benzenedicarboxylic acid diisobutyl ester (2) [4], hydroxytyrosol (3) [5], 3-methoxy-4-hydroxyphenethanol (4) [6], 4-hydroxy-3-methoxyphenetyl acetate (5) [7], umbelliferone (6) [8], (+)-prinsepiol (7) [9], (+)-syringaresinol (8) [10], and vomifoliol (9) [11]. All compounds were obtained from this plant for the first time. 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 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.Safety of 4-Hydroxy-3-methoxyphenethanol

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

Liquid-liquid equilibria for the ternary system water + n-dodecane + 2-(2-n-hexyloxyethoxy)ethanol was written by Hu, Hohsun;Chiu, Chun-Da;Chen, Li-Jen. And the article was included in Fluid Phase Equilibria in 1999.Application of 112-59-4 The following contents are mentioned in the article:

Experiments to obtain the fish-shaped phase diagram for the ternary system water + n-dodecane + 2-(2-n-hexyloxyethoxy)ethanol (abbreviated by C₆E₂ hereafter) under atm. pressure were performed at constant water/n-dodecane weight ratio (1/1) to locate the critical end points. The upper and lower critical consolute temperatures for the system of interest are 307.80 K and 282.30 K, resp. Compositions of two-and three-phase liquid-liquid equilibrium for the ternary system water + n-dodecane + C₆E₂ at 293.15 K and 303.15 K under atm. pressure are presented in this paper. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Application of 112-59-4).

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. 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.Application of 112-59-4

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

Nickel-Catalyzed Decarbonylative Borylation and Silylation of Esters was written by Pu, Xinghui;Hu, Jiefeng;Zhao, Yue;Shi, Zhuangzhi. And the article was included in ACS Catalysis in 2016.Recommanded Product: 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane The following contents are mentioned in the article:

The nickel-catalyzed direct borylation and silylation of phenolic esters has been established. The key to this highly efficient acyl C-O bond borylative and silylative cleavage depends on the appropriate choice of different ligands and additives in the presence of nickel catalyst. Both transformations exhibit good functional group compatibility and can serve as powerful synthetic tools for late-stage functionalization of complex compounds The elucidation of key mechanistic features of this newly developed acyl C-O bond activation in esters was confirmed by two well-characterized organonickel(II) intermediates. This study involved multiple reactions and reactants, such as 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1Recommanded Product: 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane).

2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. 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: 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane

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

Computation of Upper Flash Point of Chemical Compounds Using a Chemical Structure-Based Model was written by Gharagheizi, Farhad;Ilani-Kashkouli, Poorandokht;Mirkhani, Seyyed Alireza;Mohammadi, Amir H.. And the article was included in Industrial & Engineering Chemistry Research in 2012.Reference of 112-59-4 The following contents are mentioned in the article:

A quant. structure-property relationship is presented to estimate the upper flash point of pure compounds using a multi-linear equation model with 8 parameters. All parameters are solely computed based on chem. structure. To develop this model, >3000 parameters were evaluated using the genetic algorithm multi-variate linear regression method to select the most statistically effective ones. Maximum average absolute relative deviation (mARD), ARD, squared correlation coefficient, and root mean squares of error from database (DIPPR 801) values for 1294 pure compounds were 25.76%, 3.56%, 0.95, and 17.42 K, resp. This study involved multiple reactions and reactants, such as 2-(2-(Hexyloxy)ethoxy)ethanol (cas: 112-59-4Reference of 112-59-4).

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

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

Decarboxylative Benzylation of Aryl and Alkenyl Boronic Esters was written by Moon, Patrick J.;Fahandej-Sadi, Anis;Qian, Wenyu;Lundgren, Rylan J.. And the article was included in Angewandte Chemie, International Edition in 2018.COA of Formula: C12H17BO3 The following contents are mentioned in the article:

The copper-catalyzed decarboxylative benzylation of aryl and alkenyl boronic esters with electron-deficient aryl acetates is reported. The oxidative coupling proceeds under mild, aerobic conditions and tolerates a host of potentially reactive electrophilic functional groups that would be problematic with traditional benzylation methods (aryl iodides and bromides, protic heteroatoms, aldehydes, Michael acceptors). A reaction pathway in which a benzylic nucleophile is generated by aryl acetate decarboxylation and in turn is intercepted by the catalyst to form diarylmethane products is supported by mechanistic studies. This study involved multiple reactions and reactants, such as 2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1COA of Formula: C12H17BO3).

2-(3-Methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (cas: 1003858-50-1) 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. 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.COA of Formula: C12H17BO3

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

Comparison of nucleation parameters of aqueous l-glycine solution in presence of l-arginine from induction time and metastable-zone-width data was written by Shiau, Lie-Ding. And the article was included in Crystals in 2021.Computed Properties of C19H16O4 The following contents are mentioned in the article:

Induction time and metastable-zone-width (MSZW) data for aqueous l-glycine solutions in the presence of l-arginine impurity were exptl. measured using a turbidity probe in this study. The nucleation parameters, including the interfacial free energy and pre-exponential nucleation factor, obtained from induction time data, were compared with those obtained from MSZW data. The influences of lag time on the nucleation parameters were examined for the induction time data. The effects of l-arginine impurity concentration on the nucleation parameters based on both the induction time and MSZW data were investigated in detail. This study involved multiple reactions and reactants, such as Bisdemethoxycurcumin (cas: 33171-05-0Computed Properties 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. 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.Computed Properties of C19H16O4

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