Category: 165534-43-0

New research progress on 165534-43-0 in 2021.Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction by binding to a specific portion of an enzyme and thus slowing or preventing a reaction from occurring. 165534-43-0, Name is Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate, molecular formula is C11H14N3O5P, belongs to benzoxazole compound. In a document, author is Omar, A. Mohsen M. E., Electric Literature of 165534-43-0.

New 2-substituted benzoxazole derivatives were synthesized and screened for their in vitro anti-proliferative activities against MCF-7 and MDA-MB-231 cell lines. Compounds 4b, 4d and 11c eliciting the highest activity against MCF-7 cells were further assayed for their cytotoxic activities against A431 and HCC827 cancer cells in addition to their in vitro inhibition of wild and mutated epidermal growth factor receptor (EGFR) enzymes. Compound 11c was the most active against A431 cells and it displayed a potent inhibition of EGFR(WT) while compounds 4b and 4d elicited higher potencies than erlotinib against mutated EGFR(L858R). Compounds 4a, 6c and 8a showed the most potent cytotoxic activity against MDA-MB-231 cancer cells where compounds 4a and 6c were slightly less potent aromatase (ARO) inhibitors than letrozole. MCF-7 cells treated with compounds 4b, 4d, 11c and MDA-MB-231 cells treated with compounds 4a, 6c and 8a showed remarkable over-expression of caspase-9 protein level and elicited pre G1 apoptosis and cell cycle arrest at G2/M phase in addition to high annexin V binding affinity indicating significant apoptosis. Chemo-informatic and docking properties were also predicted. Docking results revealed that docked compounds displayed binding modes with EGFR and ARO enzymes comparable to that of the reference ligands. The benzoxazole derivatives 11c and 6c possessing amide and dithiocarbamate moieties respectively were found to be potent apoptosis-inducing anti-breast cancer agents with acceptable physicochemical properties. They exert their activity via inhibition of EGFR and ARO enzymes respectively.

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

165534-43-0, molecular formula is C11H14N3O5P, molweight is 299.2197(g/mol), smiles is O=P(OCC)(OCC)ON1N=NC2=CC=CC=C2C1=O. In this document, Crystal structure and Hirshfeld surface analysis of 2-[(1,3-benzoxazol-2-yl)sulfanyl]-N-(2-methoxyphenyl)acetamide. HPLC of Formula: https://www.ambeed.com/products/165534-43-0.html.

In the title compound, C16H14N2O3S, the 1,3-benzoxazole ring system is essentially planar (r.m.s deviation = 0.004 angstrom) and makes a dihedral angle of 66.16 (17)degrees with the benzene ring of the methoxyphenyl group. Two intramolecular N -H center dot center dot center dot O and N -H center dot center dot center dot N hydrogen bonds occur, forming S(5) and S(7) ring motifs, respectively. In the crystal, pairs of C-H center dot center dot center dot O hydrogen bonds link the molecules into inversion dimers with R-2(2)(14) ring motifs, stacked along the b-axis direction. The inversion dimers are linked by C-H center dot center dot center dot-pi and pi-pi-stacking interactions [centroid-to-centroid distances = 3.631 (2) and 3.631 (2) angstrom], forming a three-dimensional network. Two-dimensional fingerprint plots associated with the Hirshfeld surface show that the largest contributions to the crystal packing come from H center dot center dot center dot H (39.3%), C center dot center dot center dot-H/H center dot center dot center dot C (18.0%), O center dot center dot center dot H/H center dot center dot center dot O (15.6) and S center dot center dot center dot H/H center dot center dot center dot S (10.2%) interactions.

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

A transition-metal-free approach to the alkylation/arylation of benzoxazole was developed by employing Tf2O-activated-amide as the alkylating/arylating reagent. The mild reaction conditions, and particularly insensitivity to air and water, further enhance the synthetic potential in pharmaceutical synthesis.

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

Aromatic rings are highly stable due to the arrangement of the π-electrons situated above and below the plane of the aromatic ring, which form a π-electron cloud. 165534-43-0, Name is Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate, molecular formula is C11H14N3O5P, belongs to benzoxazole compound. In a document, author is Kakkar, Saloni, Reference of 165534-43-0.

Background: A new series of benzoxazole analogues was synthesized and checked for their in vitro antibacterial, antifungal and anticancer activities. Results and discussion: The synthesized benzoxazole compounds were confirmed by IR, H-1/C-13-NMR, mass and screened for their in vitro antimicrobial activity against Gram-positive bacterium: Bacillus subtilis, four Gram-negative bacteria: Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, Salmonella typhi and two fungal strains: Candida albicans and Aspergillus niger using tube dilution technique and minimum inhibitory concentration (MIC) was noted in mu M and compared to ofloxacin and fluconazole. Human colorectal carcinoma (HCT116) cancer cell line was used for the determination of in vitro anticancer activity (IC50 value) by Sulforhodamine B assay using 5-fluorouracil as standard drug. Conclusion: The performed study indicated that the compounds 1, 10, 13, 16, 19, 20 and 24 had highest antimicrobial activity with MIC values comparable to ofloxacin and fluconazole and compounds 4, 6, 25 and 26 had best anticancer activity in comparison to 5-fluorouracil.

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

In chemical reaction engineering, simulations are useful for investigating and optimizing a particular reaction process or system. In this document, On the design of new europium heteroaromatic carboxylates for OLED application. Application In Synthesis of Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate.

The intracellular exchangeable Zn(II) is usually measured with synthetic fluorescent zinc sensors. 4′,5′-Bis[bis-(2-pyridylmethyeaminomethy1]-2′,7′-dichlorofluorescein (Zin-pyr-1) is a sensor containing the fluorescein platform and a duplicated chelating unit. Its advantages include brightness and a relatively high affinity for Zn(II), K-d = 0.7 nM. 2-(4, 5- Dimethoxy-2-hydroxypheny1)-4-(2-pyridylmethypaminomethyl- benzoxazole (Zinbo-5) is a member of a growing family of ratiometric synthetic Zn(II) probes, offering a possibility to determine Zn(II) concentration independently of the sensor concentration. Cells, however, contain high, millimolar or nearly millimolar concentrations of low molecular weight ligands (LMWLs) capable of binding Zn(II) ions. Previously, we demonstrated that such LMWLs can perturb the performance of some fluorescent zinc sensors by competition and formation of ternary Zn(sensor) (LMWL) complexes. Here we tested Zinpyr1 and Zinbo-5 in this respect. Despite structural differences, both sensors formed such ternary complexes. We determined their stability constants K-c(tern) and performed numerical simulations of Zn(II) distributions at physiological concentrations of selected LMWLs. Glutamic acid was found to provide the strongest ternary complexes with either of the studied sensors. Zn(Zinpyr1)(Glu) was an absolutely dominant Zn(II)/Zinpyr-1 species (more than 96% of the exchangeable Zn(II)), and Zn(Zinbo5)(Glu) was the most abundant one (more than 40%) in these simulations. Our results indicate that under cellular conditions these sensors are able to report Zn(II) complexed to LMWLs rather than free Zn2+ ions. On the other hand, the specific affinity of Zn(Zinpyr-1) and Zn(Zinbo-5) for Glu creates interesting opportunities for determining glutamic acid in biological samples.

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

New discoveries in chemical research and development in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 165534-43-0, Name is Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate, molecular formula is C11H14N3O5P. In an article, author is Esmaielzadeh, Sheida,once mentioned of 165534-43-0, Application of 165534-43-0.

In the present investigation novel Polyimide/functionalized ZnO (PI/ZnO) bionanocomposites containing amino acid (Methionine) and benzimidazole pendent groups with different amounts of modified ZnO nanoparticles (ZnO NPs) were successfully prepared through ultrasonic irradiation technique. Due to the high surface energy and tendency for agglomeration, the surface ZnO NPs was modified by a coupling agent as 3- methacryloxypropyl-trimethoxysilane (MPS) to form MPS-ZnO nanoparticles. The ultrasonic irradiation effectively changes the rheology and the glass transition temperature and the crystallinity of the composite polymer. PI/ZnO nanocomposites were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscope (TEM). TEM analysis showed that the modified ZnO nanoparticles were homogeneously dispersed in polymer matrix. The TGA results of PI/ZnO nanocomposites showed that the thermal stability is obviously improved the presence of MPS-ZnO NPs in comparison with the pure PI and that this increase is higher when the NP content increases. The permeabilities of pure H-2, CH4, O-2, and N-2 gases through prepared membranes were determined at room temperature (25 degrees C) and 20 bar feed pressure. The membranes having 20% ZnO showed higher values of H-2 permeability, and H-2/CH4 and H-2/N-2 ideal selectivities (the ratio of pair gas permeabilities) compared with other membranes. The antibacterial activity of bionanocomposite films was tested against gram-positive bacteria (Staphylococcus aureus and Bacillus subtilis) and gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa). Further, it was observed that antibacterial activity of the resulting hybrid biofilms showed somewhat higher for gram-positive bacteria compared to gram-negative bacteria. (c) 2018 Elsevier Masson SAS. All rights reserved.

Application of 165534-43-0, 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 165534-43-0.

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

New research progress on 165534-43-0 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. 165534-43-0, Name is Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate, molecular formula is , belongs to benzoxazole compound. In a document, author is Huang, Shuang, Application In Synthesis of Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate.

Seven new chelated cyclometalated Ir complexes of N-ABO,P, N-ABO,O, and N-ABO,C-(carbene) based on a rigid and tunable 2-arylbenzo[d]oxazole backbone have been prepared for the N-methylation of amines. Among these three coordinated modes, N-ABO,C-(carbene)-chelated iridium-based catalysts exhibited good performance in the monomethylation of aromatic amines with methanol (MeOH) as the green methylation reagent. The steric-modified synthesis of N-ABO,C-(carbene) complexes was described. The most active N-ABO,C-(carbene) complex with marginal steric hindrance as a catalyst was obtained from the benzoxazole ring without a substituent and methyl group of the benzimidazole ring on the N-heterocyclic carbene (NHC) ligand. A variety of amines including para- and meta-substituted aromatic amines, as well as heterocyclic amines, were formulated as suitable substrates. Importantly, this catalyst considerably promoted the yield of the N-methylation of ortho-substituted aromatic amines. Controlled kinetic experiments and deuterium-labeling reactions of these ortho-substituted amines were conducted under optimized conditions. On the basis of the experimental results, a plausible mechanism was proposed.

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

New research progress on 165534-43-0 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. 165534-43-0, Name is Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate, molecular formula is , belongs to benzoxazole compound. In a document, author is Ryu, Hwani, Application In Synthesis of Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate.

The p53 tumor suppressor plays critical roles in cell cycle regulation and apoptotic cell death, with its activation capable of sensitizing cancer cells to radiotherapy or chemotherapy. To identify small molecules that induce apoptosis via increased p53 transcriptional activity, we used a novel in-house library containing 96 small-molecule compounds. Using a cell-based screening method with a p53-responsive luciferase-reporter assay system involving benzoxazole derivatives, we found that AU14022 administration significantly increased p53 transcriptional activity in a concentration-dependent manner. Treatment with AU14022 increased p53 protein expression, p53 Ser15 phosphorylation, p53-mediated expression of downstream target genes, and apoptosis in p53-wild-type HCT116 human colon cancer cells, but not in p53-knockout HCT116 cells. Additionally, p53-wild-type HCT116 cells treated with AU14022 exhibited mitochondrial dysfunction, including modulated expression of B-cell lymphoma-2 family proteins and cytochrome c release. Combination treatment with AU14022 and ionizing radiation (IR) synergistically induced apoptosis as compared with IR or AU14022 treatment alone, with further investigation demonstrating that cell cycle progression was significantly arrested at the G2/M phase following AU14022 treatment. Furthermore, in a mouse p53-wild-type HCT116 colon cancer xenograft model, combined treatment with AU14022 and IR inhibited tumor growth more effectively than radiation alone. Therefore, AU14022 treatment induced apoptosis through p53-mediated cell cycle arrest involving mitochondrial dysfunction, leading to enhanced radiosensitivity in colon cancer cells. These results provide a basis for further assessments of AU14022 as a promising anticancer agent.

Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions. you can also check out more blogs about 165534-43-0. Application In Synthesis of Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate.

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

New discoveries in chemical research and development in 2021. The transformation of simple hydrocarbons into more complex and valuable products has revolutionised modern synthetic chemistry. In an article, author is Niu, Zhi-Jie, once mentioned the application of 165534-43-0, SDS of cas: 165534-43-0, Name is Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate, molecular formula is C11H14N3O5P, molecular weight is 299.2197, category is benzoxazole. Now introduce a scientific discovery about this category.

A transition-metal-free approach to the alkylation/arylation of benzoxazole was developed by employing Tf2O-activated-amide as the alkylating/arylating reagent. The mild reaction conditions, and particularly insensitivity to air and water, further enhance the synthetic potential in pharmaceutical synthesis.

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

New Advances in Chemical Research in 2021.The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. 165534-43-0, Name is Diethyl (4-oxobenzo[d][1,2,3]triazin-3(4H)-yl) phosphate, molecular formula is , belongs to benzoxazole compound. In a document, author is Song, Ming-Xia, Electric Literature of 165534-43-0.

A novel series of benzoxazole derivatives containing 1,2,4-triazolone (5a-m) was designed. These compounds were synthesized in order to screen their anticonvulsant activities by the maximal electroshock seizure (MES) model and the subcutaneous pentylenetetrazole (sc-PTZ) seizure model in mice. The rotarod test was used to evaluate their neurotoxicities. Most of the compounds showed anti-MES activities at 100 and 300 mg/kg. Compound 5f, which showed potential anticonvulsant activity in the MES model with ED50 values of 22.0 mg/kg, was considered as the most promising one in this study. It exhibited greater safety than that of carbamazepine and valproate regarding neurotoxicity. The efficacy of compound 5f in inhibiting the tonic seizures and death induced by the convulsants 3-mercaptopropionic acid and BIC was also verified. In an enzyme-linked immunosorbent assay, compound 5f and the positive drug phenytoin significantly increased the gamma-aminobutyric acid (GABA) level in the mouse brain. Further, pretreatment with an inhibitor of the GABA synthesizing enzyme dramatically raised the ED50 value of 5f in the MES model. These results confirmed that the compound 5f plays its anticonvulsive action via regulating the GABA function in the brain. Also, a docking study of the compound 5f in the benzodiazepine (BZD) binding site of the GABA(A) receptor confirmed possible binding of the compound 5f with BZD receptors.

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