Tag: M.W=300-400

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. 148893-10-1, Name is O-(7-Azabenzotriazol-1-yl)-N,N,N,N-tetramethyl uronium hexafluorophosphate, molecular formula is , belongs to benzoxazole compound. In a document, author is Sadaf, Haseeba, Product Details of 148893-10-1.

Five palladium(II) complexes (1-5) with benzimidazole and 2-methylbenzimidazole were prepared and characterized by thermal analysis and, IR and NMR spectroscopy. The crystal structures of two of them, trans-IPd(benzimidazole)(2)Br-2]center dot 2DMSO (1) and trans-[Pd(2-methylbenzimidazole)(2)I-2] (5) were determined by X-ray crystallography, which describe a square planar coordination environment around the Pd(II) ions. Compound 1 crystallizes as a DMSO solvate. The solid state structures of both complexes are stabilized by hydrogen bonding interactions. The biological evaluation of the complexes showed that they exhibited moderate antimicrobial activities but their antidiabetic properties were momentous with respect to the standard drug. (C) 2019 Elsevier Ltd. All rights reserved.

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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 Yoneyama-Hirozane, Mariko, once mentioned the application of 423-39-2, Name: Perfluorobutyliodide, category is benzoxazole. Now introduce a scientific discovery about this category.

Ghrelin O-acyl transferase (GOAT; MBOAT4) catalyzes O-acylation at serine-3 of des-acyl ghrelin. Acyl ghrelin is secreted by stomach X/A-like cells and plays a role in appetite and metabolism. Therefore, GOAT has been expected to be a novel antiobesity target because it is responsible for acyl ghrelin production. Here, we report homogeneous time-resolved fluorescence (HTRF) and enzyme-linked immunosorbent assay (ELISA) methods utilizing human GOAT-expressing microsomes as a novel high-throughput assay system for the discovery of hit compounds and optimization of lead compounds. Hit compounds exemplified by compound A (2-[(2,4-dichlorobenzyl)sulfanyl]-1,3-benzoxazole-5-carboxylic acid) were identified by high-throughput screening using the HTRF assay and confirmed to have GOAT inhibitory activity using the ELISA. Based on the hit compound information, the novel lead compound (compound B, (4-chloro-6-{[2-methyl-6-(trifluoromethyl)pyridin-3-yl]methoxy}-1-benzothiophen-3-yl)acetic acid) was synthesized and exhibited potent GOAT inhibition with oral bioavailability. Both the hit compound and lead compound showed octanoyl-CoA competitive inhibitory activity. Moreover, these two compounds decreased acyl ghrelin production in the stomach of mice after their oral administration. These novel findings demonstrate that GOAT is a druggable target, and its inhibitors are promising antiobesity drugs.

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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. 148893-10-1, Name is O-(7-Azabenzotriazol-1-yl)-N,N,N,N-tetramethyl uronium hexafluorophosphate, molecular formula is C10H15F6N6OP. In an article, author is Dadashpour, Sakineh,once mentioned of 148893-10-1, Application In Synthesis of O-(7-Azabenzotriazol-1-yl)-N,N,N,N-tetramethyl uronium hexafluorophosphate.

Background: Receptor Tyrosine Kinases (RTK) are the main family of cell surface receptors for growth factors, hormones and cytokines which are responsible for cell growth and differentiation and are considered as an important therapeutic target in cancer. Objective: The aim of this study was to design, synthesise and conduct the biological evaluation of benzimidazole/benzoxazole substituted triazolotriazines as new anticancer agents. Methods: A series of benzimidazolyl and benzoxazolyl-linked triazolotriazines 8a-e and 9a-e were synthesized as receptor tyrosine kinase inhibitors. Target compounds were evaluated in HGF-induced cell proliferation assay in A549, MCF-7, HepG2 and MDA-MB-231 cancer cells. Results: Hepatocellular carcinoma was the most sensitive cell line towards the tested compounds and 8e was the most potent one on HepG2 cells with an IC50 value of 5.13 mu M which was close to crizotinib (HepG2 IC50 = 4.35 mu M) as a standard c-Met kinase inhibitor. c-Met kinase assay of 8e showed that this compound is not capable of inhibiting this enzyme and subsequently molecular docking confirmed the low affinity of 8e towards cMet active site and its possible anticancer mechanism through VEGFR-2 inhibition. Conclusion: Further in silico predictions revealed that 8e can be a drug candidate with favorable pharmacokinetic properties.

But sometimes, even after several years of basic chemistry education, it is not easy to form a clear picture on how they govern reactivity! 148893-10-1, you can contact me at any time and look forward to more communication. Application In Synthesis of O-(7-Azabenzotriazol-1-yl)-N,N,N,N-tetramethyl uronium hexafluorophosphate.

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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 Sharghi, Hashem, once mentioned the application of 307-24-4, Recommanded Product: 307-24-4, category is benzoxazole. Now introduce a scientific discovery about this category.

The Fe(III)-salen complex has been applied successfully as a catalyst for the novel, simple, efficient, and one-pot multicomponent synthesis of benzoxazole derivatives from catechols, ammonium acetate as the nitrogen source, and aldehydes (nontoxic and cheap alternatives of amines) for the first time. Using this procedure, a wide range of benzoxazoles was successfully synthesized in the presence of a catalyst in EtOH under mild conditions, and all products were obtained in excellent yields. To the best of our knowledge, this method is the first example of the multicomponent synthesis of benzoxazole derivatives using these starting materials. The notable features such as the use of air that is considered as a benign oxidant and EtOH as a green solvent, ease of product separation, readily available and inexpensive aldehydes, and mild conditions make our procedure more efficient and practical for organic synthesis. Moreover, the current protocol is successfully applied to synthesize desirable products on a large scale.

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Benzoxazole – Wikipedia,
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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. 423-39-2, Name is Perfluorobutyliodide, molecular formula is C4F9I. In an article, author is Zeyrek, C. T.,once mentioned of 423-39-2, Safety of Perfluorobutyliodide.

Spectroscopic properties and DFT studies (optimized geometry, vibrational band assignment, MEP analysis, frontier molecular orbitals, NLO effects, and thermodynamic functions) of 5-ethylsulphonyl-2-phenyl-benzoxazole are reported. The DFT calculations are performed by Hartree-Fock (HF) and B3LYP and BYLP functionals with the 6-311++G(d,p) basis set. The compared frequencies are compatible in both theoretical and experimental spectra. HOMO and LUMO levels have been defined. The first order hyperpolarizability of 5-ethylsulphonyl-2-phenyl-benzoxazole is calculated and the promising application in OLED devices is identified for the compound.

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Benzoxazole – Wikipedia,
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Research speed reading 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. 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, molecular formula is , belongs to benzoxazole compound. In a document, author is Savchenko, Olga A., Reference of 6825-20-3.

The reaction of 2-chloro-N-(3-oxoalkenyl)acetamides with 1,3-benzothiazole-2(3H)-thione, 1,3-benzoxazole-2(3H)-thione, and 1-methyl-1,3-dihydro-2H-benzimidazole-2-thione led to the formation of 2-(heteroarylsulfanyl)-N-(3-oxoalkenyl)acetamides. By the action of a base, these compounds were converted into pyridin-2(1H)-ones containing a divalent sulfur atom in position C-3 bonded to a heterocyclic ring. Bromination, nitration, alkylation of 3-(1,3-benzothiazol-2-ylsulfanyl)pyridin-2(1H)-ones have been studied. The action of zinc in acetic acid transformed these compounds into 3-sulfanylpyridin-2(1H)-ones.

Reference of 6825-20-3, 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 6825-20-3.

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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. 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, molecular formula is , belongs to benzoxazole compound. In a document, author is Benzekri, Zakaria, Safety of 3,6-Dibromo-9H-carbazole.

In this work, the condensation of aromatic aldehydes with different two-substituted aniline catalyzed by NH3(CH2)(5)NH3BiCl5 as heterogeneous and recyclable catalyst was reported. It was demonstrated that NH3(CH2)(5)NH3BiCl5 can act as an efficient and active catalyst and is reusable for six runs without a significant loss of their catalytic activity. Simple preparation of the catalyst, high catalytic activity and good reusability are noteworthy advantages of this catalytic system in the synthesis of benzoxazole, benzimidazole and benzothiazole heterocycles at room temperature under solvent-free conditions.

A reaction mechanism is the microscopic path by which reactants are transformed into products. Each step is an elementary reaction. In my other articles, you can also check out more blogs about 6825-20-3. Safety of 3,6-Dibromo-9H-carbazole.

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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. 423-39-2, Name is Perfluorobutyliodide, molecular formula is C4F9I. In an article, author is Huang, Jun,once mentioned of 423-39-2, Name: Perfluorobutyliodide.

Both the inhibition of inflammatory flares and the treatment of hyperuricemia itself are included in the management of gout. Extending our efforts to development of gout therapy, two series of benzoxazole deoxybenzoin oxime derivatives as inhibitors of innate immune sensors and xanthine oxidase (XOD) were discovered in improving hyperuricemia and acute gouty arthritis. In vitro studies revealed that most compounds not only suppressed XOD activity, but blocked activations of NOD-like receptor (NLRP3) inflammasome and Toll-like receptor 4 (TLR4) signaling pathway. More importantly, (E)-1-(6-methoxybenzo[d]oxazol-2-yl)-2-(4-methoxyphenyl)ethanone oxime (5d) exhibited anti-hyperuricemic and antiacute gouty arthritis activities through regulating XOD, NLRP3 and TLR4. Compound 5d may serve as a tool compound for further design of anti-gout drugs targeting both innate immune sensors and XOD. (c) 2018 Elsevier Ltd. All rights reserved.

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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. 105832-38-0, Name is 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouronium tetrafluoroborate, molecular formula is , belongs to benzoxazole compound. In a document, author is Wanjari, Poonam M., Formula: https://www.ambeed.com/products/105832-38-0.html.

A series of N-(benzo[d]oxazol-2-ylcarbamothioyl)-2/4-substituted benzamides were synthesized by the reaction of 2-aminobenzoxazole with apposite benzoyl isothiocyanate. The structure of the newly synthesized compounds was confirmed by chemical tests, elemental (C, H, N, and S), and spectral (IR, H-1 NMR, C-13 NMR, and mass) analysis. All the synthesized compounds were evaluated experimentally for their antibacterial activity against Gram-positive and Gram-negative bacteria. The test results show moderate to potent antibacterial activity compared to the standard drug. The binding interactions of newly synthesized ligand and protein were correlated using a molecular docking study using a binding pocket of GlcN-6-P synthase. [GRAPHICS] .

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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. 105832-38-0, Name is 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouronium tetrafluoroborate, molecular formula is C9H16BF4N3O3. In an article, author is Bai, Xuguan,once mentioned of 105832-38-0, Application In Synthesis of 2-(2,5-Dioxopyrrolidin-1-yl)-1,1,3,3-tetramethylisouronium tetrafluoroborate.

An unexpected BF3.OEt2-catalyzed Michael addition/cyclization/dehydration sequence of ortho-hydroxyenaminones with aromatic or aliphatic aldehyde-derived beta,gamma -unsaturated alpha -ketoesters has been achieved to afford a wide range of fused hydrogenated benzoxazole polycycles in 67-95% yields in a highly diastereoselective manner. When isatin-derived beta,gamma -unsaturated alpha -ketoesters were employed as substrates, completely different reactivities were observed, delivering an array of new atropisomers with an oxindole-substituted N-C axially chiral pyrrole-phenol backbone in up to 97% yield. Moreover, DFT calculations were conducted to account for the possible reaction pathway and the stereochemistry.

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