Month: November 2022

Template synthesis and structure of Co(II), Ni(II), and Cu(II) complexes with pyridoxilydenetaurinate Schiff base ligand was written by Guricova, Miroslava;Pizl, Martin;Smekal, Zdenek;Nadherny, Ladislav;Cejka, Jan;Eigner, Vaclav;Hoskovcova, Irena. And the article was included in Inorganica Chimica Acta in 2018.Application of 65-22-5 The following contents are mentioned in the article:

Co(II), Ni(II), and Cu(II) complexes with a Schiff base ligand pyridoxylidenetaurinate (L^–) were prepared by a template reaction of pyridoxal (3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carbaldehyde), taurine (2-aminoethane-1-sulfonic acid), and the corresponding metal acetate in water-ethanholdol solution Composition of the product was [ML₂(H₂O)₂] for all three central metals. Coordination geometry varied from weakly distorted octahedral (Co, Ni) to strongly distorted octahedral (Cu) with trans arrangement of both water mols. and imine N atoms. Each bidentate ligand formed one chelate ring via imine N and phenolic O donor atoms. The complexes were characterized by elemental anal., FTIR spectroscopy, and XRD crystal and powder analyses. All complexes crystallize in monoclinic system with space group P2₁/c. IR spectra of the complexes showed changes typical for Schiff base coordination, comparing with IR spectrum of the ligand. This study involved multiple reactions and reactants, such as 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5Application of 65-22-5).

3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.Application of 65-22-5

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

One-pot synthesis, structural characterization, UV-Vis and electrochemical analyses of new Schiff base complexes of Fe(III), Ni(II) and Cu(II) was written by Back, Davi Fernando;Manzoni de Oliveira, Gelson;Fontana, Liniquer Andre;Ramao, Brenda Fiorin;Roman, Daiane;Iglesias, Bernardo Almeida. And the article was included in Journal of Molecular Structure in 2015.Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride The following contents are mentioned in the article:

[Ni(Pyr₂tetam-2H)]·2H₂O (1) (Pyr₂tetam = (pyridoxyl)₂-N¹,N⁴-triethylenetetramine), [Fe(Pyr₂tetam-2H)](ClO₄)·H₂O (2) and [Cu(Pyrtetam-H)](ClO₄) (3) (Pyrtetam = pyridoxyl-N¹-triethylenetetramine) were obtained through one pot reactions of triethylenetetramine, pyridoxal hydrochloride, triethylamine and the metal salts Ni(ClO₄)₂·6H₂O, Fe(ClO₄)₂·6H₂O and Cu(ClO₄)₂·6H₂O. In complexes 1 and 2 the metal centers present a distorted octahedral coordination, while complex 3 shows a square pyramidal configuration. The structures were characterized through x-ray diffractometry, IR and UV-visible spectra. Cyclic voltammograms of the title compounds are also presented and discussed. This study involved multiple reactions and reactants, such as 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride).

3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Apple polyphenol extract targets circadian rhythms to improve liver biological clock and lipid homeostasis in C57BL/6 male mice with mistimed high-fat diet feeding was written by Cui, Yuan;Yin, Yan;Li, Shilan;Xie, Yisha;Wu, ZhengLi;Yang, Hao;Qian, Qingfan;Li, Xinli. And the article was included in Journal of Functional Foods in 2022.Product Details of 29106-49-8 The following contents are mentioned in the article:

To investigate the potential role of apple polyphenol extract (APE) in the prevention and alleviation of circadian rhythm disturbances, eighty male C57BL/6 mice fed a high-fat diet (HFD) were randomized into four groups: 24 h ad libitum feeding (AL), 12 h restricted nighttime feeding (NF) or daytime feeding (DF), and daytime feeding with APE intragastric administration (DF-APE). Five weeks later, the mice were sacrificed at 6 h intervals over 24 h. Disrupted fluctuations in serum lipid profiles and hormones, along with desynchronization of circadian clock genes and metabolic genes were observed after daytime HFD feeding. However, APE treatment improved hepatic steatosis and recovered circadian rhythms of Cry1/2, and genes Acc and Hsl related to lipid synthesis and hydrolysis of cholesteryl esters, and Cyp7a1 in bile acid synthesis. In conclusion, the present study provides new evidence revealing that the circadian clock might be a novel target for APE to regulate metabolic homeostasis. This study involved multiple reactions and reactants, such as (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8Product Details of 29106-49-8).

(2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Product Details of 29106-49-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Catalytic depolymerization of the dealkaline lignin over Co-Mo-S catalysts in supercritical ethanol was written by Hao, Guojun;Liu, Hongying;Chang, Zhibing;Song, Kechen;Yang, Xin;Ma, Han;Wang, Wenjing. And the article was included in Biomass and Bioenergy in 2022.Computed Properties of C9H20O2 The following contents are mentioned in the article:

In this work, lignin depolymerization was examined over CoMo sulfide catalysts supported on different carriers in supercritical ethanol system. The temperature, time, MoS₂ and carrier effects on the lignin depolymerization were investigated. 95.76% liquefaction yield with negligible char was achieved over Co-Mo-S/ZrO₂ at 340° for 150 min. The liquid product was mainly composed of C₄-C₈ alcs., C₄-C₁₀ esters and C₇-C₁₀ aromatic compounds The synergistic effect of active sites and acid-base sites on support played an important role in lignin depolymerization Furthermore, the Co-Mo-S/ZrO₂ catalyst is reusable with 8% loss in liquefaction yield after 5 cyclic runs. We believe that acid/base carriers or additives that can promote the medium to generate abundant free radicals or ions to replace external hydrogen pressure are one of the prospects for the design of depolymerization lignin catalysts. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Computed Properties of C9H20O2).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. Under carefully controlled conditions, simple alcohols can undergo intermolecular dehydration to give ethers. This reaction is effective only with methanol, ethanol, and other simple primary alcohols.Computed Properties of C9H20O2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Intermittent induction of LEA peptide by lactose enhances the expression of insecticidal proteins in Bacillus thuringiensis was written by Akthar, Mahmuda;Shimokawa, Tomoko;Wu, Yinghan;Arita, Taichi;Mizuta, Kazuhiro;Isono, Yuria;Maeda, Minoru;Ikeno, Shinya. And the article was included in FEBS Open Bio in 2022.Recommanded Product: (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triol The following contents are mentioned in the article:

Cry toxins from Bacillus thuringiensis (Bt) have been extensively applied in agriculture to substitute the use of chem. insecticides. We have previously reported the use of a coexpression system in which late embryogenesis abundant (LEA) peptides under the control of the lac promoter increase the expression of insecticidal proteins in Bt. The use of lactose to induce the expression of LEA peptides may be a desirable alternative to iso-Pr β-D-thiogalactopyranoside, the most frequently used inducer for recombinant protein expression. In this study we investigated the use of lactose as an inducer for optimal protein expression. We observed enhanced insecticidal Cry protein expression by applying a simple technique based on intermittent induction, and then optimized concentration and the point of induction time from the 11^th h to the 15^th h. Our data suggest that intermittent induction of lactose might be a new technique for the enhancement of bacterial protein expression. This study involved multiple reactions and reactants, such as (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triol (cas: 367-93-1Recommanded Product: (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triol).

(2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triol (cas: 367-93-1) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Recommanded Product: (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Production of bio-fuel oil from pyrolysis of plant acidified oil was written by Xu, Lin;Cheng, Jin-Hong;Liu, Peng;Wang, Qian;Xu, Zhi-Xiang;Liu, Qing;Shen, Jin-You;Wang, Lian-Jun. And the article was included in Renewable Energy in 2019.Application In Synthesis of 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

This study investigated the pyrolysis of plant acidified oil, aiming to upgrade the quality of oil for fuel use. The decomposition temperature of plant acidified oil was in the range of 300 oC-500 °C in 10 K/min according to TG-DTG. The Py-GC-MS results showed that except alkane, alkene and oxygen containing compound, plant sterol derivatives were also detected. The ESI FT-ICR MS results showed the presence of some products produced from hydrogenation and polymerization reaction occurred in pyrolysis process. The yield of the liquid product reached the maximum of 90% at 500 °C. The acid value and viscosity of pyrolysis products were relative high compared with diesel oil. The calorific value has no difference with that of diesel oil. According to above experiments, it was confirmed that pyrolysis components and characteristic of plant acidified oil was different with vegetable oil or fatty acid. Plant acidified oil was potential renewable source to obtain bio-fuel oil using pyrolysis method. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Application In Synthesis of 3,7-Dimethyloctan-1-ol).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Application In Synthesis of 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

A comprehensive look into the volatile exometabolome of enteroxic and non-enterotoxic Staphylococcus aureus strains was written by Baptista, Ines;Santos, Magda;Rudnitskaya, Alisa;Saraiva, Jorge A.;Almeida, Adelaide;Rocha, Silvia M.. And the article was included in International Journal of Biochemistry & Cell Biology in 2019.Recommanded Product: 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

Staphylococcal food poisoning is a disease that originates significant health and economic losses and is caused by Staphylococcus aureus strains able to produce enterotoxins. The aim of this work is to go further on the study of the volatile exometabolome of S. aureus using an advanced gas chromatog. technique. Enterotoxic and non-enterotoxic strains were assessed. The volatile exometabolome profile comprised 240 volatiles belonging to ten chem. families. This volatiles were mainly byproducts of branched-chain amino acids and methionine degradation, pyruvate metabolism, diacetyl pathway, oxidative stress and carotenoid cleavage. Metabolites released by the first two pathways were produced in higher contents by the enterotoxic strains. This study add further insights to S. aureus volatile exometabolome, and also shows that by applying it, it is possible to distinguish strains of S. aureus by the number of produced enterotoxins, which is especially important from the food safety point of view. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Recommanded Product: 3,7-Dimethyloctan-1-ol).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Recommanded Product: 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Microplastics, bisphenols, phthalates and pesticides in odontocete species in the Macaronesian Region (Eastern North Atlantic) was written by Montoto-Martinez, Tania;De la Fuente, Jesus;Puig-Lozano, Raquel;Marques, Nuno;Arbelo, Manuel;Hernandez-Brito, Jose Joaquin;Fernandez, Antonio;Gelado-Caballero, Maria Dolores. And the article was included in Marine Pollution Bulletin in 2021.Reference of 620-92-8 The following contents are mentioned in the article:

The gastrointestinal contents of twelve individuals from six odontocete species that stranded between 2018 and 2019 in the Macaronesian Region (Eastern North Atlantic) were examined for the presence of marine debris. In addition, concentrations of eleven organic persistent contaminants (nonylphenols, bisphenols, phthalates and pesticides) were analyzed in muscle samples by liquid chromatog. No particles larger than 5 mm were found, except for two plastic labels that were found on the same dolphin. On the contrary, all animals contained microplastics of diverse sizes, most of them being fibers (98.06%, n = 708). The predominant detected pollutants were bisphenols (4-984 ng/g) and DEHP (102-1533 ng/g). Also, except for two individuals, all animals had pesticide levels in their tissues. This work has allowed the establishment of a protocol for the study of microplastic ingestion in cetaceans, and tests the potential of microRaman to improve the understanding of microplastic alteration processes. This study involved multiple reactions and reactants, such as 4,4′-Methylenediphenol (cas: 620-92-8Reference of 620-92-8).

4,4′-Methylenediphenol (cas: 620-92-8) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Reference of 620-92-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

UHPLC-Q-Orbitrap /MS² identification of (+)-Catechin oxidation reaction dimeric products in red wines and grape seed extracts was written by Deshaies, Stacy;Sommerer, Nicolas;Garcia, Francois;Mouls, Laetitia;Saucier, Cedric. And the article was included in Food Chemistry in 2022.Electric Literature of C30H26O12 The following contents are mentioned in the article:

B-type procyanidin dimers and (+)-catechin dimeric oxidation products were analyzed in grape seed extracts and red wines (UHPLC-Q-Orbitrap MS). The different dimers had different fragmentation patterns according to their interflavan linkage position. Oxidation dimeric compounds had a specific fragment ion at m/z 393, missing for B-Type dimers fragmentations. A fragment ion at m/z 291 occurred and was specific for oxidation dimeric compounds with a C-O-C linkage. Higher level oxidation products had abundant specific fragments: m/z 425, 397 and 245. These fragmentations were useful to identify them in complex samples such as grape seed extracts and wines. Three grape varieties and three ripening stages were selected and the corresponding seed extracts were obtained. The analyses revealed an increasing trend for the oxidation markers during grape ripening. The anal. of Syrah wines (2018, 2014, 2010) showed a decreasing trend of these mols. during wine ageing which might be due to further oxidation This study involved multiple reactions and reactants, such as (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8Electric Literature of C30H26O12).

(2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Electric Literature of C30H26O12

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

QSPR Study of the Retention/Release Property of Odorant Molecules in Water, Dairy and Pectin gels was written by Belhassan, A.;Chtita, S.;Lakhlifi, T.;Bouachrine, M.. And the article was included in Materials Today: Proceedings in 2019.Recommanded Product: 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

As continuation of our research work on the development and prediction of retention/release property of odorant mols. in Water and pectin gels, in this research, on the one hand, we investigate to establish the quant. structure property relationship (QSPR) of the retention/release property of odorant mols. in dairy gels using principal components anal. (PCA) and multiple linear regression (MLR). We propose quant. models according to these analyses. The multiple linear regression (MLR) method showed a correlation coefficient of 0.901 and 0.917 for DG (dairy gel without pectin) and DG-P (dairy gel with pectin) medias, resp. On the other hand, we compared these results with the other of our previous works to detect the pectin impacts of the retention/release property of studied compounds in different medias (with and without pectin). The comparison indicates that the effects of pectin vary according mols.: adding pectin increases the retention of some mols., but increases the release of other mols. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Recommanded Product: 3,7-Dimethyloctan-1-ol).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Recommanded Product: 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts