Category: 273-53-0

When developing chemical systems it’s of course important to gain a deep understanding of the chemical reaction process. 273-53-0, Name is Benzoxazole, molecular formula is C7H5NO, belongs to benzoxazole compound. In a document, author is Moon, Sun Ju, Application of 273-53-0

Herein, we fabricated two types of electrospun membrane using: 1) sulfonated poly (arylene ether sulfone), which needs chemical cross-linking to increase its mechanical strength, and 2) thermally rearranged poly (benzoxazole-co-imide), which is mechanically robust while requiring the hydrophilic coating. With a high porosity and low structure parameter of the support layer, two thin film composite (TFC) membranes were fabricated via interfacial polymerization on the support layer using 1,3,5-bezenetricarbonyl trichloride (TMC) and m-phenylene diamine (MPD) monomers. Chlorine modification using NaOCl solution was applied to two TFC membranes (denoted as XBPSH-TFC-Cl and XPBO-TFC-Cl, respectively) to improve water permeability (A) of the polyamide selective layer, while maintaining decent salt rejection values (R). As a result, the highly efficient XPBO-TFC-Cl achieved a peak power density of 26.6 W.m(-2) at 21 bar using 1 M NaClaq and deionized (D.I.) water as draw and feed solutions, respectively. According to the modeling results, XPBO-TFC-Cl was less affected by the adverse phenomena (such as concentration polarization and reverse salt permeation), and showed lower performance reduction for various feed sources compared to XBPSH-TFC-Cl. These results demonstrate the potential of the next generation TFC membranes, which are commonly used for power generation and liquid separation.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

Welcome to the Chemical Union of benzoxazole, to introduce a new compound: 273-53-0, Name is Benzoxazole, molecular formula is C7H5NO, belongs to benzoxazole compound. In a document, author is Zilifdar, Fatma, Recommanded Product: 273-53-0.

A series of benzoxazole derivatives and some possible primary metabolites were evaluated as anticancer agents. In vitro anti-proliferative activities of the compounds were tested using the SRB assay on cancerous (HeLa) and non-cancerous (L929) cell lines. It was found that 17 of 21 tested compounds had cytotoxic activity on HeLa cells and the cytotoxic activities of the compounds were 15-700 times higher than on L929 cells. We generated two distinct pharmacophore models for the cytotoxic activities of the compounds on HeLa and L929 cells. While active compounds such as camptothecin and X8 fitted the two models generated for both cell lines, selective cytotoxic compounds such as XT3B fitted only the model generated for HeLa cells. Evaluation of the genotoxic activities of the cytotoxic compounds with the alkaline comet assay revealed that compounds X17 and XT3 showed strong genotoxic effects against HeLa cells at low concentrations whereas they had no genotoxic effect on L929 cells. Due to the selective ability for inducing DNA strand breaks only on cancerous cells, the compounds were identified as effective derivatives for anticancer candidates.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

As the most studied and widely used chiral ligands, C7H5NO have been rapidly developed in recent decades due to their simple synthesis, easy modification, and the ability to achieve excellent results in multiple reactions. Synthetic Route of 273-53-0.

The visible-light-promoted oxidant-free decarboxylative C-H adamantylation of azoles was accomplished under ambient reaction conditions. The novel acridinium photocatalyst and cobalt synergistic catalysis enabled the C-H adamantylation under oxidant-free reaction conditions. This C-H adamantylation strategy proved viable for a wide range of substituted azoles, including benzothiazole, benzoxazole, and benzimidazoles as well as caffeine derivatives, providing an expedient access to 2-adamantyl-substituted azoles.

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Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

New Advances in Chemical Research in 2021. Catalysts are in the same phase as the reactants. Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 273-53-0, Name is Benzoxazole, molecular formula is , belongs to benzoxazole compound. In a document, author is Krause, Malwina, Application In Synthesis of Benzoxazole.

Compounds possessing benzimidazole system exhibit significant antituberculous activity. In order to examine how structure modifications affect tuberculostatic activity, a series of benzazole derivatives were synthesized and screened for their antitubercular activity. The compounds 1-20 were obtained by the reaction between 0-diamine, 0-aminophenol, or 0-aminothiophenol with carboxylic acids or thioamides. The newly synthesized compounds were characterized by IR, H-1-NMR, C-13-NMR spectra, and elemental analysis. Synthesized benzazoles were evaluated for their tuberculostatic activity toward Mycobacterium tuberculosis strains. Quantum chemical calculations were performed to study the molecular geometry and the electronic structure of benzimidazoles GK-151B, 4, 6, and benzoxazole 11, using the Gaussian 03W software (Gaussian, Inc., Wallingford, CT, USA). Three-dimensional structure of benzimidazoles 1-3, MC-9, and GK-151B was determined by ab initio calculation using Gamess- US software. The activity of the received benzimidazoles was moderate or good. All of the benzoxazoles and benzothiazoles demonstrated much lower activity. Benzoxazoles were less active by about 50 times, and benzothiazole by 100 times than the benzimidazole analogs. Quantum chemical calculations showed differences in the distribution of electrostatic potential in the benzazole system of benzimidazoles and benzoxazoles. Three-dimensional structure calculations revealed how the parity of the alkyl substituent at the C2 position impacts the activity. Benzimidazole system is essential for the antituberculosis activity that is associated with the presence of the imine nitrogen atom in N-1 position. Its replacement by an oxygen or sulfur atom results in a decrease of the activity. The parity of the alkyl substituent at the C-2 position also modifies the activity.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

New discoveries in chemical research and development in 2021. As an important bridge between the micro, chemistry is one of the main methods and means for humans to understand and transform the material world. In an article, author is Feng, Pengju, once mentioned the application of 273-53-0, Quality Control of Benzoxazole, category is benzoxazole. Now introduce a scientific discovery about this category.

An efficient and easily managed protocol was developed for the synthesis of 2-aryl-substituted benzoxazoles by using a copper-catalyzed C-H arylation reaction between benzoxazole derivatives and insitu generated aryl diazonium salts. Under the optimized conditions, a wide variety of products were selectively obtained in moderate to good yields. Diphenylamine and 2,3-bipyridine were also obtained under the same reaction conditions by employing aniline and pyridin-3-amine, respectively, as the sole starting material.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 273-53-0. Quality Control of Benzoxazole.

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Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

New discoveries in chemical research and development in 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals. In an article, author is Koeller, Julian, once mentioned the application of 273-53-0, Related Products of 273-53-0, Name is Benzoxazole, molecular formula is C7H5NO, molecular weight is 119.12, MDL number is MFCD00005765, category is benzoxazole. Now introduce a scientific discovery about this category.

The visible-light-promoted oxidant-free decarboxylative C-H adamantylation of azoles was accomplished under ambient reaction conditions. The novel acridinium photocatalyst and cobalt synergistic catalysis enabled the C-H adamantylation under oxidant-free reaction conditions. This C-H adamantylation strategy proved viable for a wide range of substituted azoles, including benzothiazole, benzoxazole, and benzimidazoles as well as caffeine derivatives, providing an expedient access to 2-adamantyl-substituted azoles.

Related Products of 273-53-0, Because enzymes can increase reaction rates by enormous factors and tend to be very specific, typically producing only a single product in quantitative yield, they are the focus of active research.you can also check out more blogs about 273-53-0.

Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

New discoveries in chemical research and development in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. 273-53-0, Name is Benzoxazole, molecular formula is C7H5NO. In an article, author is Zilifdar, Fatma,once mentioned of 273-53-0, Application In Synthesis of Benzoxazole.

A series of benzoxazole derivatives and some possible primary metabolites were evaluated as anticancer agents. In vitro anti-proliferative activities of the compounds were tested using the SRB assay on cancerous (HeLa) and non-cancerous (L929) cell lines. It was found that 17 of 21 tested compounds had cytotoxic activity on HeLa cells and the cytotoxic activities of the compounds were 15-700 times higher than on L929 cells. We generated two distinct pharmacophore models for the cytotoxic activities of the compounds on HeLa and L929 cells. While active compounds such as camptothecin and X8 fitted the two models generated for both cell lines, selective cytotoxic compounds such as XT3B fitted only the model generated for HeLa cells. Evaluation of the genotoxic activities of the cytotoxic compounds with the alkaline comet assay revealed that compounds X17 and XT3 showed strong genotoxic effects against HeLa cells at low concentrations whereas they had no genotoxic effect on L929 cells. Due to the selective ability for inducing DNA strand breaks only on cancerous cells, the compounds were identified as effective derivatives for anticancer candidates.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

Research speed reading in 2021. Catalysts allow a reaction to proceed that has a lower activation energy than the uncatalyzed reaction. In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. 273-53-0, Name is Benzoxazole, molecular formula is , belongs to benzoxazole compound. In a document, author is Zhou, Jie, Product Details of 273-53-0.

Liver fructose-1,6-bisphosphatase (FBPase) is a key enzyme in the gluconeogenesis pathway. Inhibiting FBPase activity represents a potential treatment for type 2 diabetes mellitus. A series of novel N-arylsulfonyl-4-arylamino-indole-2-carboxamide derivatives have been disclosed as FBPase inhibitors. Through extensive structure-activity relationship investigations, a promising candidate molecule Cpd118 [sodium (7-chloro-4-((3-methoxyphenyl)amino)-1-methyl-1H-indole-2-carbonyl] [(4-methoxyphenyl)sulfonyl)amide] has been identified with high inhibitory activity against human liver FBPase (IC50, 0.029 +/- 0.006 mu M) and high selectivity relative to the other six AMP-binding enzymes. Importantly, Cpd118 produced significant glucose-lowering effects on both type 2 diabetic KKAy mice and ZDF rats as demonstrated by substantial reductions in the fasting and postprandial blood glucose levels, as well as the HbA1c level. Furthermore, Cpd118 elicited a favorable pharmacokinetic profile with an oral bioavailability of 99.1%. Moreover, the X-ray crystal structure of the Cpd118-FBPase complex was resolved, which revealed a unique binding mode and provided a structural basis for its high potency and selectivity.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 273-53-0, in my other articles. Product Details of 273-53-0.

Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

Research speed reading in 2021. Chemistry is a science major with cience and engineering. The main research directions are chemical synthesis, new energy materials, preparation and modification of special coatings. 273-53-0, Name is Benzoxazole, molecular formula is , belongs to benzoxazole compound. In a document, author is Makowska, A., Related Products of 273-53-0.

Two series of 2-imino-coumarin based hybrids: 3-(benzoxazol-2-yl)-2H-chromen-2-imines 3-9 (series A-I) and 3-(benzothiazol-2-yl)-2H-chromen-2-imines 10-16 (series A-II), as well as their coumarin analogues: 3-(benzoxazol-2-yl)-2H-chromen-2-ones 17-21 (series B-I) and 3-(benzothiazol-2-yl)-2H-chromen-2-ones 22-28 (series B-II) were prepared as potential antitumor agents. The in vitro cytotoxic potency of the synthesized compounds was evaluated against five human cancer cell lines: DAN-G, A-427, LCLC-103H, RT-4 and SISO, and relationships between structure and anticancer activity are discussed. Among the compounds tested, 3-(benzo[d] oxazol-2-yl)-N,N-diethyl-2-imino-2H-chromen-7-amine (6, series A-I) and 3-(benzo[d]thiazol-2-yl)-6-fluoro-2H-chromen-2-one (26, series B-II) exhibited the most potent cytotoxic activity with IC50 values ranging from <0.01 mu M to 1.1 mu M. In particular, compound 6 demonstrated remarkable cytotoxicity against the A-427 ovarian cancer, the lung cancer LCLC-103H, urinary bladder cancer RT-4 and cervical cancer SISO cell lines with IC50 <0.01-0.30 mu M, inducing apoptosis in two representative cell lines. Related Products of 273-53-0, Because enzymes can increase reaction rates by enormous factors and tend to be very specific, typically producing only a single product in quantitative yield, they are the focus of active research.you can also check out more blogs about 273-53-0.

Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

New research progress on 273-53-0 in 2021.Chemistry is a science major with cience and engineering. The main research directions are chemical synthesis, new energy materials, preparation and modification of special coatings. 273-53-0, Name is Benzoxazole, molecular formula is , belongs to benzoxazole compound. In a document, author is Silva, Ana L. R., Name: Benzoxazole.

An energetic study of 5-fluoro-2-methylbenzoxazole (FMBO) and of 5-fluoro-2-methylbenzothiazole (FMBT), in condensed and gaseous states, has been performed using calorimetric techniques and computational calculations. The standard (p degrees = 0.1 MPa) molar enthalpies of formation of FMBO and FMBT, in the liquid phase, at T = 298.15 K, were derived from the corresponding standard molar energies of combustion, measured by rotating-bomb combustion calorimetry. At T = 298.15 K, the standard (p degrees = 0.1 MPa) molar enthalpy of vaporization, for each compound, was determined, by a direct method, using the vacuum drop microcalorimetric technique. For each compound, from this last value and from the enthalpy of formation of the liquid compounds, the corresponding standard (p degrees = 0.1 MPa) enthalpy of formation in the gaseous phase has been calculated. Additionally, the gas-phase standard molar enthalpies of formation of these two compounds were estimated computationally at the G3(MP2)//B3LYP level of theory, as well as their gas-phase basicities and proton affinities. (C) 2018 Elsevier Ltd.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem