Tag: 100-200

An innovative synthesis of MoO3/Ag nanocomposite and catalytic application of immobilized molybdenum complex on cellulose extracting from Carthamus tinctorius was written by Sedri, Asma;Naeimi, Atena;Mohammadi, Sayed Zia. And the article was included in Carbohydrate Polymers in 2018.Computed Properties of C7H6Cl2O This article mentions the following:

Extracted microcrystalline cellulose from Carthamus tinctorius plant was oxidized by sodium metaperiodate and a novel molybdenum schiff base complex was supported on this natural cellulose (MoSMC@MC). Then, micro biopolymer silver/ immobilized molybenum complex on natural cellulose (Ag/MoSMC@MC) was synthesized at the presence of Sesbania sesba plant and charaterized by SEM, FT-IR, TGA, and EDAX. The catalytic efficiency of Ag/MoSMC@MC was exploited as a heterogenous bio-catalyst in the selective oxidation of alcs. The reactions were conducted using catalytic amounts of Ag/MoSMC@MC and t-BuOOH under solvent free conidtion to obtain desired aldehydes and ketones in high yields and excellent selectivity. Long-term stability and reproducibility in consecutive runs were feature of this microcomposite. At second part of this work, a novel strategy was reported to obtain green nanocomposites. Herein, addition of silver nitrate to plant solution led to the decomposition of the organic to inorganic polymer. As results, MoO₃/Ag nanocomposite was prepared and its characteristics were investigated using TEM, and XRD to confirm the shape and structure. In the experiment, the researchers used many compounds, for example, (2,4-Dichlorophenyl)methanol (cas: 1777-82-8Computed Properties of C7H6Cl2O).

(2,4-Dichlorophenyl)methanol (cas: 1777-82-8) 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. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Computed Properties of C7H6Cl2O

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Rh₂(II)-Catalyzed Selective Aminomethylene Migration from Styryl Azides was written by Kong, Chen;Jana, Navendu;Driver, Tom G.. And the article was included in Organic Letters in 2013.HPLC of Formula: 80866-76-8 This article mentions the following:

Rh₂(II)-carboxylate complexes promoted the selective migration of aminomethylenes in β,β-disubstituted styryl azides to form 2,3-disubstituted indoles. E.g., in presence of Rh₂(esp)₂, methylene shift of styryl azide [(S,E)-I] gave 83% indole derivative ((±)-II). Mechanistic data are also presented that suggest that the migration occurs stepwise before diffusion of the iminium ion. In the experiment, the researchers used many compounds, for example, (3-Methyl-2-nitrophenyl)methanol (cas: 80866-76-8HPLC of Formula: 80866-76-8).

(3-Methyl-2-nitrophenyl)methanol (cas: 80866-76-8) 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. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.HPLC of Formula: 80866-76-8

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Photochlorination of organic substances by aqueous chloride ions codissolved with anionic NO_x^–. Part I. Effect of nitrate was written by Rafanelli, Claudio E.;Petriconi, Gianna L.;Papee, Henry M.. And the article was included in Water, Air, and Soil Pollution in 1978.Category: alcohols-buliding-blocks This article mentions the following:

Earlier research, on the photoreactivity of some organics with aqueous NO_x^–, is extended to systems comprising codissolved chlorides. Concentrations of NO₃^– bear a determining role on the transfer of Cl from the aqueous into the organic phase, and rates of this transfer also depend on Cl^– concentration as well as on the intensity of UV light. A simple overall mechanism is postulated for the laboratory process, and the experimentation is thereafter extended to conditions of sunlight illumination where the reaction occurs along similar lines but with larger quantum yields. In the experiment, the researchers used many compounds, for example, rel-(1s,4s)-4-(2-Hydroxypropan-2-yl)-1-methylcyclohexanol hydrate (cas: 2451-01-6Category: alcohols-buliding-blocks).

rel-(1s,4s)-4-(2-Hydroxypropan-2-yl)-1-methylcyclohexanol hydrate (cas: 2451-01-6) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Category: alcohols-buliding-blocks

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Transition metal-free approach for late-stage benzylic C(sp³)-H etherifications and esterifications was written by Zhang, Yu;Sahoo, Prakash Kumar;Ren, Peng;Qin, Yuman;Cauwenbergh, Robin;Nimmegeers, Philippe;SivaRaman, Gandhi;Van Passel, Steven;Guidetti, Andrea;Das, Shoubhik. And the article was included in Chemical Communications (Cambridge, United Kingdom) in 2022.Recommanded Product: 2216-51-5 This article mentions the following:

A transition metal-free approach for the regioselective functionalization of benzylic C(sp³)-H bonds using alcs. ROH (R = Me, t-Bu, cyclopentyl, etc.) and carboxylic acids R¹C(O)OH (R¹ = Ph, Me, cyclohexyl, etc.) as the nucleophiles was reported. This straightforward and general route has provided various benzylic ethers R²OR [R² = 1-phenylethyl, 1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethyl, 5-acetylamino(2,3-dihydro-1H-inden-1-yl), etc.] and esters R²C(O)OR¹, including twelve pharmaceutically relevant compounds In the experiment, the researchers used many compounds, for example, (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol (cas: 2216-51-5Recommanded Product: 2216-51-5).

(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol (cas: 2216-51-5) 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. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Recommanded Product: 2216-51-5

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Roseovarius faecimaris sp. nov., isolated from a tidal flat was written by Cha, In-Tae;Cho, Eui-Sang;Choi, Hak-Jong;Roh, Seong Woon;Seo, Myung-Ji. And the article was included in International Journal of Systematic and Evolutionary Microbiology in 2019.Application In Synthesis of (2R,3R,4S,5S)-2,3,4,5-tetrahydroxyhexanal hydrate This article mentions the following:

A Gram-stain-neg., obligate aerobic, non-motile and rod-shaped bacterium, designated MME-070T, was isolated from a tidal flat near Muui-do, Incheon, Republic of Korea. This bacterium belonged to the Roseobacterclade within the family Rhodobacteraceae. The isolate grew at 20-40°, pH 7.0-9.0, with 1-5% (w/v) NaCl. Optimal growth required 2-3% (w/v) NaCl at 25-30° and pH 8.0. The 16S rRNA gene sequence of strain MME-070T was most closely related to Roseovarius aestuarii SMK-122T (96.9%). Phylogenetic anal. based on the 16S rRNA gene sequence indicated that strain MME-070T clustered with the genus Roseovarius. The sole respiratory quinone was Q-10. Polar lipids were phosphatidylglycerol, phosphatidylcholine, diphosphatidylglycerol, unidentified aminolipid, and some unidentified lipids. Major cellular fatty acids were summed feature 8 (C18:1ω7c and/or C18:1ω6c), 11-Me C18:1ω7c, and C16:0. The genomic DNA G + C content of the type strain was 63.6 mol%. Based on polyphasic taxonomic anal., strain MME-070T is proposed to represent a novel species of the genus Roseovarius, for which the name Roseovarius faecimaris sp. nov. is proposed. The type strain is MME-070T (= KCCM 43142T = JCM 30757T). The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain MME-070^T is KP410680. In the experiment, the researchers used many compounds, for example, (2R,3R,4S,5S)-2,3,4,5-tetrahydroxyhexanal hydrate (cas: 10030-85-0Application In Synthesis of (2R,3R,4S,5S)-2,3,4,5-tetrahydroxyhexanal hydrate).

(2R,3R,4S,5S)-2,3,4,5-tetrahydroxyhexanal hydrate (cas: 10030-85-0) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. 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.Application In Synthesis of (2R,3R,4S,5S)-2,3,4,5-tetrahydroxyhexanal hydrate

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Application of yellow mustard mucilage and starch in nanoencapsulation of thymol and carvacrol by emulsion electrospray was written by Charles, Anto Pradeep Raja;Mu, Richard;Jin, Tony Z.;Li, Deyu;Pan, Zhiliang;Rakshit, Sudipta;Cui, Steve W.;Wu, Ying. And the article was included in Carbohydrate Polymers in 2022.Product Details of 499-75-2 This article mentions the following:

Starch/water soluble yellow mustard mucilage nanocapsules loaded with thymol and carvacrol (TC) were developed using electrospray atomization. Emulsions were electrosprayed, aiming to generate nanocapsules with a controlled release behavior of TC for antimicrobial packaging applications. To understand the effect of water soluble yellow mustard mucilage (WSM) on the nanocapsules, the emulsion viscosity, morphol., encapsulation efficiency, mol. interactions, and release kinetics were evaluated. Surface and internal morphol. anal. revealed that nanocapsules were non-porous with minimal surface shrinkages and had inner multicore spheres within a solid wall layer. Encapsulation efficiency ranged from 61.17 to 84.10 %, increasing at higher TC contents. Fourier transform spectroscopy confirmed the mol. interaction between wall materials. The release kinetics of encapsulated TC (30 % weight/weight) followed a Fickian diffusion mechanism and a controlled release pattern up to 120 h. Results indicated that the addition of WSM can modulate the release kinetics of bioactives and achieve a controlled release pattern. In the experiment, the researchers used many compounds, for example, 5-Isopropyl-2-methylphenol (cas: 499-75-2Product Details of 499-75-2).

5-Isopropyl-2-methylphenol (cas: 499-75-2) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. 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.Product Details of 499-75-2

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Novel 5-HT_1A/1B/1D receptors antagonists with potent 5-HT reuptake inhibitory activity was written by Serafinowska, Halina T.;Blaney, Frank E.;Lovell, Peter J.;Merlo, Giancarlo G.;Scott, Claire M.;Smith, Paul W.;Starr, Kathryn R.;Watson, Jeannette M.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2008.Reference of 142253-56-3 This article mentions the following:

Novel 2-methyl-5-quinolinyl-1-piperazinylalkyl-3,4-dihydro-2H-1,4-benzoxazin-3-ones showing high affinities for the 5-HT_1A/1B/1D receptors coupled with potent 5-HT reuptake inhibitory activity have been discovered. This is the first report describing docking of the lead compound 6-{2-[4-(2-methyl-5-quinolinyl)-1-piperazinyl]ethyl}-2H-1,4-benzoxazin-3(4H)-one 1, into a model of the 5-HT transporter and the 5-HT_1A receptor model. In the experiment, the researchers used many compounds, for example, 1-Boc-Azetidine-3-yl-methanol (cas: 142253-56-3Reference of 142253-56-3).

1-Boc-Azetidine-3-yl-methanol (cas: 142253-56-3) 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. 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.Reference of 142253-56-3

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Development of a natural antifungal formulation for grated cheese and a microencapsulation approach using whey protein isolate and maltodextrin blend was written by Sassi, Ghada;Salmieri, Stephane;Allahdad, Zahra;Karboune, S.;Lacroix, Monique. And the article was included in Journal of Food Science in 2022.Formula: C10H14O This article mentions the following:

The antifungal activity of natural antimicrobials such as essential oils (EOs), citrus extracts, and other natural derivatives was evaluated against 10 fungal strains using min. inhibitory concentration (MIC) anal. Compounds having the highest inhibitory activity at the lowest concentrations were subsequently selected to evaluate the possible synergistic interactions by checkerboard method (FIC). The results showed that citrus extract A (CEA) and EOs rich in cinnamaldehyde had the highest inhibitory capacity against evaluated strains (Aspergillus niger, Aspergillus versicolor, Aureobasidium pullulans, Eurotium rubrum, Paecilomyces spp., Penicillium chrysogenum, Penicillium citrinum, Penicillium commune, Penicillium crustosum, and Penicillium roqueforti). The stability of the antifungal mixture was then optimized using lecithin and sucrose monopalmitate (SMP) as surfactants. Stability test showed that lecithin:SMP at HLB 10 maintains emulsion stability for 15 days of storage at 4°C. Encapsulation process for the loaded emulsion was optimized using whey protein isolate (WPI) and maltodextrin (MD) blend with ratios WPI:MD (1:2) and WPI:MD (1:3). The results showed that WPI:MD (1:3) led to a higher physicochem. stability (-40.5 mV), encapsulation efficiency (91%), and antifungal activity (315 ppm). Microencapsulation maintained the available active compounds content more prolonged with an average interval of 7 days compared to the nonencapsulated formulations during storage at 4°C. In the experiment, the researchers used many compounds, for example, 5-Isopropyl-2-methylphenol (cas: 499-75-2Formula: C10H14O).

5-Isopropyl-2-methylphenol (cas: 499-75-2) 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. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Formula: C10H14O

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Alcohol – Wikipedia,
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Expedient approach for trans-esterification of β-keto esters under solvent free conditions using silica supported boric acid (SiO₂-H₃BO₃) as a recyclable catalyst was written by Das, Kamal;Majumdar, Swapan. And the article was included in RSC Advances in 2022.Product Details of 2216-51-5 This article mentions the following:

A highly efficient trans-esterification of β-keto methyl/ethyl esters with primary, secondary, allylic, benzylic and chiral alcs. has been carried out in excellent yields under solvent-free conditions using silica supported boric acid as a heterogeneous catalyst. This sustainable protocol resulted in a remarkable enhancement in the synthetic efficiency (87-95% yield) with high purity and eliminating the use of an environmentally toxic solvent. The work up procedure is very simple and the catalyst has been successfully recovered and recycled. The present methodol. is also applicable for trans-esterification with chiral alcs. on a multi-gram scale without compromising the yield. Noteworthy features of this protocol are simple operational procedure, minimizing production of chem. waste, mild reaction conditions, easy preparation of the catalyst and its recyclability up to five cycles without any appreciable loss of catalytic activity. In the experiment, the researchers used many compounds, for example, (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol (cas: 2216-51-5Product Details of 2216-51-5).

(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol (cas: 2216-51-5) 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. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Product Details of 2216-51-5

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Chiral Bronsted acid catalysts. Activation of methyl 3,3,3-trifluoropyruvate by hydroxymethylpyridine-containing half-sandwich complexes was written by Carmona, Daniel;Lamata, Pilar;Sanchez, Antonio;Pardo, Pilar;Rodriguez, Ricardo;Ramirez, Paola;Lahoz, Fernando J.;Garcia-Orduna, Pilar;Oro, Luis A.. And the article was included in Organometallics in 2014.Computed Properties of C7H9NO This article mentions the following:

The coordinated OH group in cationic 2-hydroxyalkylpyridine (NOH) chiral phosphoramidite (P1-P5) half-sandwich complexes [(ηⁿ-ring)M(NOH)(Solv)][SbF₆] and [(ηⁿ-ring)M(PyOH){(R)-P1}][SbF₆]₂ [(ηⁿ-ring)M = (η⁵-C₅Me₅)Rh, (η⁵-C₅Me₅)Ir, (η⁶-p-MeC₆H₄ⁱPr)Ru; PyOH = hydroxymethylpyridine ligand; (R)-P1 = (R)-1,1′-binaphthyl N,N-dimethylphosphoramidite (R-monophos)] is deprotonated by Na₂CO₃, rendering bi- or mononuclear compounds [{(ηⁿ-ring)M(μ-O-κ²N,O-PyO)}₂][SbF₆]₂ and [(ηⁿ-ring)M(PyO){(R)-P1}][SbF₆], resp. The complexes have been characterized by anal. and spectroscopic means, including the determination of the crystal structures of [{(ηⁿ-ring)M(μ-O-κ²N,O-PyO)}₂][SbF₆]₂ (8a, PyOH = 2-hydroxymethylpyridine, (ηⁿ-ring)M = (η⁵-C₅Me₅)Rh; 8c, (ηⁿ-ring)M = (η⁶-p-MeC₆H₄iPr)Ru, PyOH = 2-hydroxymethylpyridine) and [(η⁵-C₅Me₅)Ir(PyO){(R)-P1}][SbF₆] [11b, PyOH = (R)-2-(1-hydroxyethyl)pyridine] by x-ray diffractometric methods. In complexes [(ηⁿ-ring)M(NOH)(P*)][SbF₆]₂ (P* = P1-P5) the proton of the coordinated hydroxypyridine ligand is able to activate the carbonyl group of Me 3,3,3-trifluoropyruvate toward the Friedel-Crafts addition of indoles. In most cases, quant. conversion is achieved in a few minutes, at -70°, with an ee of up to 82%. NMR data support the activation of the pyruvate by interaction between its carbonyl oxygen and the OH group of the coordinated hydroxymethylpyridine. Therefore, the metallic complexes act as Lewis acid assisted Bronsted acid catalysts. In the experiment, the researchers used many compounds, for example, 6-Methyl-2-pyridinemethanol (cas: 1122-71-0Computed Properties of C7H9NO).

6-Methyl-2-pyridinemethanol (cas: 1122-71-0) 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. 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.Computed Properties of C7H9NO

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Alcohol – Wikipedia,
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