Category: 99395-88-7

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, SMILES is [C@H]1(NC(OC1)=O)C2=CC=CC=C2, in an article , author is Zhang, Bo, once mentioned of 99395-88-7, Formula: C9H9NO2.

Synthesis and diuretic activities of pseudoproline-containing analogues of the insect kinin core pentapeptide

C-2 dimethylated/unmethylated thiazolidine-4-carboxylic acid and C-2 dimethylated oxazolidine-4-carboxylic acid were introduced into the insect kinin core pentapeptide in place of Pro(3), yielding three new analogues. NMR analysis revealed that the peptide bond of Phe(2)-pseudoproline (Psi Pro)(3) is practically 100% in cis conformation in the case of dimethylated pseudoproline-containing analogues, about 50% cis for the thiazolidine-4-carboxylic acid analogue and about 33% cis for the parent Pro(3) peptide. The diuretic activities are consistent with the population of cis conformation of the Phe(2)-Psi Pro(3)/Pro(3) peptide bonds, and the results confirm a cis Phe-Pro bond as bioactive conformation. Copyright (C) 2011 European Peptide Society and John Wiley & Sons, Ltd.

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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, molecular formula is C9H9NO2. In an article, author is Konov, Konstantin B.,once mentioned of 99395-88-7, Safety of (S)-4-Phenyloxazolidin-2-one.

Low-Temperature Molecular Motions in Lipid Bilayers in the Presence of Sugars: Insights into Cryoprotective Mechanisms

Sugars and sugar alcohols can stabilize biological systems under extreme conditions of desiccation and freezing. Phospholipid bilayers solvated by aqueous solutions of sucrose, trehalose, and sorbitol at concentrations of 0.2 and 1 M and containing incorporated spin-labeled stearic acids were studied by electron spin echo (ESE) spectroscopy, a pulsed version of electron paramagnetic resonance (EPR). The phospholipids were 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC), and the stearic acids were labeled with nitroxide 4,4-dimethyl-oxazolidine-1-oxyl (DOXYL) attached rigidly at either the 5th or 16th carbon positions. The ratio of the echo time traces for the two field positions in the EPR spectrum possessing the largest and smallest anisotropies gave the anisotropic contribution to the echo decay, which obeys exponential time dependence with good accuracy. At low temperatures, the anisotropic contribution is induced by stochastic (or diffusive) orientational vibrations of the molecule as a whole (i.e., stochastic molecular librations), with the exponential decay rate W-anis proportional to tau(c), where is the mean angular amplitude of the motion and tau(c) is the correlation time. In all cases, it was found that W-anis begins to increase sharply above 170200 K, which was ascribed to the dynamical transition known for biological systems at these temperatures. For hydration by the sucrose and trehalose solutions, W-anis was found to increase noticeably also above similar to 120 K, which was explained by bilayer expansion due to direct bonding of sugar molecules to the bilayer surface. The W-anis temperature dependencies were found to be close to those obtained for the simple systems of the nitroxide spin probe TEMPONE in aqueous sorbitol and sugar 1 M solutions. This correlation suggests a possible mechanism of cryoprotective action of sorbitol and sugars due to the similarity of low-temperature motions in the membrane and in the cryoprotectant-containing surrounding liquid.

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Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one. In a document, author is Ye, Fei, introducing its new discovery. Formula: C9H9NO2.

Synthesis and Biological Activity of Novel Sulfonylurea Oxazolidine Derivatives

A series of novel N-[(p-methylphenyl) sulfonyl]-5-methyl-1,3-oxazolidine-3-carboxamides (3) was synthesized by cycloaddition and acylation reaction with 1-amino-2-propanol, ketone, and p-methylbenzenesulfonyl isocyanate as the starting materials. All the compounds were characterized by infrared, H-1-nuclear magnetic resonance (NMR), C-13-NMR, mass specta, and elemental analysis. The preliminary biological tests showed that all compounds could protect maize against the injury caused by chlorsulfuron to some extent.

I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 99395-88-7 help many people in the next few years. Formula: C9H9NO2.

Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, molecular formula is C9H9NO2, belongs to oxazolidines compound, is a common compound. In a patnet, author is Matamoros, Esther, once mentioned the new application about 99395-88-7, Product Details of 99395-88-7.

Electronic effects in tautomeric equilibria: the case of chiral imines from d-glucamine and 2-hydroxyacetophenones

A one-pot procedure for preparing a series of chiral imines by direct condensation of d-glucamine with 2-hydroxyacetophenones is described. Under conventional acetylation an unexpected mixture of two different peracetylated molecules is obtained, one with an open enamine structure, and the other incorporating an N-acetyl-1,3-oxazolidine into the acyclic skeleton. Surprisingly, both molecules coexist within the crystal’s unit cell, as inferred from single-crystal X-ray analysis of a 5-bromo-substituted aryl derivative. Moreover, the 1,3-oxazolidine ring exists as rotational conformers (E,Z) owing to the restricted rotation around the N-acetyl bond. The equilibrium involving imine and enamine structures has been assessed in detail, providing in addition linear free-energy relationships between the tautomerization constants (K-T) and the electronic effect of the substituents.

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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

Application of 99395-88-7, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, SMILES is [C@H]1(NC(OC1)=O)C2=CC=CC=C2, belongs to oxazolidines compound. In a article, author is Sangthong, Sarita, introduce new discover of the category.

High-accuracy mass spectrometry for identification of sulphur containing bioactive constituents and flavonoids in extracts of Raphanus sativus var. caudatus Alef (Thai rat-tailed radish)

The bioactive compounds of Raphanus sativus var. caudatus Alef and their respective cytotoxicity were identified from (a) 2 crude water and dichloromethane extracts and (b) 5 serially partitioned extracts using dichloromethane. Then, using a bioassay-guided cytotoxicity assay, the extracts were tested against the colon cancer cell line HCT116. Among 2 crude extracts and 5 fractions, the dichloromethane crude extract possessed the greatest in vitro cytotoxicity against HCT116. The dichloromethane crude extract was subjected to flash column liquid chromatography. Only 4 fractions and unfractionated extract were chosen for further analysis by high accuracy mass spectrometry (UHPLC-QToF-MS/MS). Six glucosinolates, 13 isothiocyanates, 5 indoles, 4 flavonoids, 2 alkaloids, 2 thiocyanates, 1 oxazolidine, and 1 dialkyl disulphide were identified. Two compounds were detected for the first time isoalliin and butyl 1-(methylthio)propyl disulphide. Several constituents with anti-cancer activity were identified. This information could inform guidelines for quality control of standard plant extracts for further product development.(C) 2017 Elsevier Ltd. All rights reserved.

Application of 99395-88-7, One of the oldest and most widely used commercial enzyme inhibitors is aspirin, which selectively inhibits one of the enzymes involved in the synthesis of molecules that trigger inflammation. you can also check out more blogs about 99395-88-7.

Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

In an article, author is Szaloki, Gyoergy, once mentioned the application of 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, molecular formula is C9H9NO2, molecular weight is 163.1733, MDL number is MFCD00043396, category is oxazolidines. Now introduce a scientific discovery about this category, Recommanded Product: (S)-4-Phenyloxazolidin-2-one.

A Simple Molecule-Based Octastate Switch

Dithienylethene oxazolidine hybrid system connected through an isomerizable double bond exists under eight molecular states on demand. Combinations of electrocyclization of dithienylethene, Z/E isomerization and acidbase oxazolidine change cause selective addressabilities. Two intricate gated photochromic performances allow the execution of an 8-step molecular switch, which renders this molecular system the most complex known up to date.

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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

Related Products of 99395-88-7, Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, SMILES is [C@H]1(NC(OC1)=O)C2=CC=CC=C2, belongs to oxazolidines compound. In a article, author is Amat, Mercedes, introduce new discover of the category.

Stereoselective synthesis of (-)-lepadins A-C

A concise synthesis of the marine alkaloids (-)-lepadins A-C from a phenylglycinol-derived tricyclic lactamis reported. Key steps from the stereochemical standpoint involve stereoselective cyclocondensation, double bond hydrogenation, oxazolidine opening, hydroboration-oxidation, and Horner-Wadsworth-Emmons reactions.

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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

In an article, author is Castet, Frederic, once mentioned the application of 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, molecular formula is C9H9NO2, molecular weight is 163.1733, MDL number is MFCD00043396, category is oxazolidines. Now introduce a scientific discovery about this category, Name: (S)-4-Phenyloxazolidin-2-one.

Design and Characterization of Molecular Nonlinear Optical Switches

Nanoscale structures, including molecules, supramolecules, polymers, functionalized surfaces, and crystalline/amorphous solids, can commute between two or more forms, displaying contrasts in their nonlinear optical (NLO) properties. Because of this property, they have high potential for applications in data storage, signal processing, and sensing. As potential candidates for integration into responsive materials, scientists have been intensely studying organic and organometallic molecules with switchable first hyperpolarizability over the past two decades. As a result of this, researchers have been able to synthesize and characterize several families of molecular NW switches that differ by the stimulus used to trigger the commutation. These stimuli can indude light irradiation, pH variation, redox reaction, and ion recognition, among others. The design of multistate (including several switchable units) and multifunctional (triggered with different stimuli) systems has also motivated a large amount of work, aiming at the improvement of the storage capacity of optical memories or the diversification of the addressability of the devices. In complement to the synthesis of the compounds and the characterization of their NLO responses by means of hyper-Rayleigh scattering, quantum chemical calculations play a key role in the design of molecular switches with high first hyperpolarizability contrasts. Through the latter, we can gain a fundamental understanding of the various factors governing the efficiency of the switches. These are not easily accessible experimentally, and include donor/acceptor contributions, frequency dispersion, and solvent effects. In this Account, we illustrate the similarities of the experimental and theoretical tools to design and characterize highly effident NLO switches but also the difficulties in comparing them. After providing a critical overview of the different theoretical approaches used for evaluating the first hyperpolarizabilities, we report two case studies in which theoretical simulations have provided guidelines to design NLO switches with improved efficiencies. The first example presents the joint theoretical/experimental characterization of a new family of multi-addressable NLO switches based on benzazolo-oxazolidine derivatives. The second focuses on the photoinduced commutation in merocyanine spiropyran systems, where the significant NLO contrast could be exploited for metal cation identification in a new generation of multiusage sensing devices. Finally, we illustrate the impact of environment on the NLO switching properties, with examples based on the keto-enol equilibrium in anil derivatives. Through these representative examples, we demonstrate that the rational design of molecular NLO switches, which combines experimental and theoretical approaches, has reached maturity. Future challenges consist in extending the investigated objects to supramolecular architectures involving several NLO-responsive units, in order to exploit their cooperative effects for enhancing the NLO responses and contrasts.

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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, molecular formula is C9H9NO2. In an article, author is Musa, A. E.,once mentioned of 99395-88-7, Recommanded Product: 99395-88-7.

Combination Tanning System for Manufacture of Shoe Upper Leathers: Cleaner Tanning Process

Nowadays people are seeking natural products, and advocating the preparation of leather products from green chemicals. Therefore, it becomes an important task of chemists in leather manufacture to research and develop clean and green tanning agents to replace chromium-containing tanning agents. In this study, a combination tanning process based on garad powder (Acacia nilotica sub. sp. nilotica) and tetrakis hydroxymethyl phosphonium sulphate (THPS) for the production of upper leathers is presented as a cleaner alternative. Two tanning methods, garad followed by THPS (garad-THPS) and THPS followed by garad (THPS-garad), have been tried. The combination tannage, employing 20% garad powder and 1.5% THPS results in leathers with shrinkage temperatures of 100 degrees C. The change in the order of addition of garad and THPS showed a marginal difference in thermal stability, but significant variations were observed in the physical characteristics of leathers. The combination tanning system provides a significant reduction in the discharge of total dissolved solids in the wastewater. The characteristics of the leathers indicate that the garad-THPS combination tanning system provided leathers with good organoleptic properties and comparable strength properties. The leathers were further characterized by chemical analysis. The work presented in this paper establishes the use of garad and THPS as an effective alternative cleaner tanning method.

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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem

 

Electric Literature of 99395-88-7, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C¨CH bond functionalisation has revolutionised modern synthetic chemistry. 99395-88-7, Name is (S)-4-Phenyloxazolidin-2-one, SMILES is [C@H]1(NC(OC1)=O)C2=CC=CC=C2, belongs to oxazolidines compound. In a article, author is Radulovic, Niko S., introduce new discover of the category.

Two goitrogenic 1,3-oxazolidine-2-thione derivatives from Brassicales taxa: Challenging identification, occurrence and immunomodulatory effects

1,3-Oxazolidine-2-thione derivatives are glucosinolate-related food constituents known to impart (thyreo)toxic properties to some cruciferous vegetables. In this work, 5,5-dimethyl-1,3-oxazolidine-2-thione and (-)-(R)-5phenyl-1,3-oxazolidine-2-thione, known goitrogens, were isolated from Draba lasiocarpa Rochel (Brassicaceae) and Reseda luteoia L. (Resedaceae), respectively, and were fully spectrally characterized. Subsequently, the occurrence of the two 1,3-oxazolidine-2-thiones was verified in six additional taxa out of in total 78 screened Serbian Brassicales taxa. The stereochemistry of 5-phenyl-1,3-oxazolidine-2-thione was inferred from nuclear magnetic resonance experiments with a chiral lanthanide-shift reagent, employed in this work for the first time for this type of compounds. Unexpectedly, during gas chromatography, 5-phenyl-1,3-oxazolidine-2-thione underwent an unreported thermal core isomerization (1,3-oxazolidine-2-thione to 1,3-thiazolidine-2-one). These goitrogenic volatile glucosinolate products were tested for their effect on rat macrophage viability (three assays) and nitric oxide production. It was shown that the compounds displayed different levels of cytotoxicity. All tested compounds caused a significant lactate dehydrogenase leakage, but only (R)-5-phenyl-1,3-oxazolidine-2thione statistically significantly reduced macrophage mitochondrial activity, whereas the racemic 5-phenyl-1,3oxazolidine-2-thione and 5,5-dimethyl-1,3-oxazolidine-2-thione had little or no effect. Again only (R)-5-phenyl1,3-oxazolidine-2-thione exerted nitric oxide production-inhibiting properties, suggesting the higher immunomodulatory potential of this enantiomer compared with its antipode and racemic mixture.

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Reference:
Oxazolidine – Wikipedia,
,Oxazolidine | C3H7NO – PubChem