Category: 6825-20-3

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A new cuprous coordinating polymer constructed by bridging 2,2-(1,4-butanediyl)bis-1,3-benzoxazole ligand: synthesis, structure, and properties

A new cuprous coordination polymer (CP) with 2,2-(1,4-butanediyl)bis-1,3-benzoxazole (BBO) and triphenylphosphine sulfide (SPPh3) ligands, {[Cu(BBO)(SPPh3)]ClO4}(n) (1), has been characterized by elemental analysis, UV-Vis, infrared spectra and single-crystal X-ray diffraction. The structural analysis revealed that 1 exhibits a one-dimensional CP and is in a three-coordinate slightly distorted trigonal planar environment in which the total angle around the copper(I) atom is 359.2 degrees. Solid luminescence properties investigation showed that 1 had one emission peak at 428 nm (lambda(ex) = 355 nm, blue luminescence), which may be attributed to MLCT [(d(10)(Cu)->pi*]. The cyclic voltammogram of 1 represents irreversible Cu2+/Cu+ pairs. The antioxidant activity experiment shows that 1 has the potential ability to scavenge hydroxyl and superoxide radical in vitro studies. [GRAPHICS] .

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

Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , Name: 3,6-Dibromo-9H-carbazole, 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, molecular formula is C12H7Br2N, belongs to benzoxazole compound. In a document, author is Chalansonnet, Valerie, introduce the new discover.

Fluorogenic 7-azidocoumarin and 3/4-azidophthalimide derivatives as indicators of reductase activity in microorganisms

A series of fluorogenic heterocyclic azides were prepared and assessed as reductase substrates across a selection of Gram-negative and Gram-positive microorganisms. The majority of these azides showed similar activity profiles to nitroreductase substrates. Microorganisms that do not produce hydrogen sulfide reduced the azides, indicating reductase activity was not linked to hydrogen sulfide production.

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. Name: 3,6-Dibromo-9H-carbazole.

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

Electric Literature of 6825-20-3, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, SMILES is C3=C2C1=C(C=CC(=C1)Br)[NH]C2=CC=C3Br, belongs to benzoxazole compound. In a article, author is Savchenko, Olga A., introduce new discover of the category.

Intramolecular cyclization of 2-(heteroarylsulfanyl)-N-(3-oxoalkenyl)acetamides: synthesis of 3-(heteroarylsulfanyl)- and 3-sulfanylpyridin-2(1H)-ones

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.

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

Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Felouat, Abdellah, once mentioned the application of 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, molecular formula is C12H7Br2N, molecular weight is 325, MDL number is MFCD00004961, category is benzoxazole. Now introduce a scientific discovery about this category, Recommanded Product: 6825-20-3.

Oligo(ethylene glycol) (OEG) functionalized 2-(2 ‘-Hydroxy benzofuranyl) benzoxazole (HBBO) derivatives: Synthesis, photophysical properties and biomolecules binding studies

Two molecular fluorophores based on a 2-(2’-Hydroxybenzofuranyl) benzoxazole (HBBO) scaffold and presenting an Excited-State Intramolecular Proton Transfer (ESIPT) process are reported herein. These dyes incorporate strongly electrodonating aromatic amino groups on the benzofuranyl side, enabling the appearance of a dual fluorescence emission corresponding to the radiative decay of the excited enol (E*) and keto (K*) tautomers at high and low energy respectively. It was previously demonstrated that dual E*/K* emission could originate from a beneficial decrease of phenolic acidity upon absorption of light leading to a thermodynamic stabilization of the first excited-state. The innovation within these dyes lies in the double functionalization of the aniline moiety with 2-(2-methoxyethoxy)ethyl units which allowed a better solubilization in protic solvents, as compared to their butyl analogs while keeping strong electrodonating capacity. Their intrinsic amphiphilic character leads to a good vectorization in a wide range of solvents from toluene to PBS buffer. The investigation of the photophysical properties of these dyes in solution showed a clear dual emission in apolar solvents with the E* band gradually red-shifting along with the dipole moment of the solvent. Dual emission is also observed in the solid-state when these dyes are doped as 1% wt in PMMA or PS films. Finally, the interactions of one dye with calf-thymus (ct)-DNA and Bovine Serum Albumin (BSA) have been explored and reveal pronounced modifications of the UV-Vis profile of the dye. Additionally, a gradual hypsofluorochromic shift and narrowing of the K* band along with the appearance of the E* fluorescence band upon addition of ct-DNA or BSA is also observed, presumably evidencing an intercalation mode of binding.

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

Electric Literature of 6825-20-3, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C¨CH bond functionalisation has revolutionised modern synthetic chemistry. 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, SMILES is C3=C2C1=C(C=CC(=C1)Br)[NH]C2=CC=C3Br, belongs to benzoxazole compound. In a article, author is Kiran, Kuppalli R., introduce new discover of the category.

Acid-Catalyzed Condensation of o-Phenylenediammines and o-Aminophenols with alpha-Oxodithioesters: A Divergent and Regio-selective Synthesis of 2-Methylthio-3-aryl/Heteroarylquinoxalines and 2-Acylbenzoxazoles

o-Phenylenediammines ando-aminophenols were reacted with alpha-oxodithioesters in a highly regioselective fashion to give 2-methylthio-3-aryl/heteroarylquinoxalines and 2-acylbenzoxazoles in 55-94% and 45-86%, respectively, in the presence ofp-toluene sulfonic acid catalyst. Control experiments involving reaction of aniline with a alpha-oxodithioester indicated that the thiocarbonyl group is more reactive than the carbonyl group. Based on this, probable mechanisms for the formation of quinoxalines and benzoxazoles are given. Biological targets of the quinoxalines and benzoxazoles were identified by bioinformatics. It was found that quinoxalines have good binding affinity with human dual-specificity tyrosine-phosphorylation-regulated kinase 1A and benzoxazoles with human carboxylesterase.

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

Electric Literature of 6825-20-3, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, SMILES is C3=C2C1=C(C=CC(=C1)Br)[NH]C2=CC=C3Br, belongs to benzoxazole compound. In a article, author is Nag, Aniruddha, introduce new discover of the category.

Dataset of various characterizations for novel bio-based plastic poly(benzoxazole-co-benzimidazole) with ultra-low dielectric constant

The data presented in this specified data article comprise of various characterization such as: structural, thermal, elemental etc. to understand the novel structure and specific properties of the bio-based plastic as described in the main research article High-performance poly (benzoxazole/benzimidazole)bio-based plastics with ultra-low dielectric constant from 3-amino-4-hydroxybenzoic acid [1]. The data of H-1 NMR spectra of two monomers and their HCl salt formation required for polymerization, FT-IR spectra of polymer formation before and after thermal ring-closing and additionally supported by the thermogravimetric plots where mass loss due to water is observed around 400 degrees C (thermal ring closing temperature). Solvent plays effective role to change dielectric properties significantly, complete removal of the remaining solvents was confirmed by X-ray photoelectron spectroscopy (XPS) technique. Wide-angle XRD dataset was presented here to make an idea about degree of crystallinity of the prepared polymers. (C) 2019 The Authors. Published by Elsevier Inc.

Electric Literature of 6825-20-3, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about 6825-20-3 is helpful to your research.

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

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Synthesis and Biological Activity of 6-(1,3-Benzoxazol-2-Yl)-5-Methylthieno-[2,3-d]Pyrimidines

An approach to the synthesis of new 6-(1,3-benzoxazol-2-yl)-5-methylthieno[2,3-d]pyrimidin-4(3H)-ones and their 4-thioanalogs was developed. Some of the synthesized compounds exhibited antimicrobial activity against strains of Bacillus subtilis bacteria and Candida albicans fungi.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – 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. 6825-20-3, Name is 3,6-Dibromo-9H-carbazole, molecular formula is C12H7Br2N. In an article, author is Dadmal, Tulshiram L.,once mentioned of 6825-20-3, Product Details of 6825-20-3.

Synthesis and biological evaluation of triazole and isoxazole-tagged benzothiazole/benzoxazole derivatives as potent cytotoxic agents

Cancer is a major health problem and the most upsetting disease in humans, leading to death in both developed and developing countries. Proper treatment of the disease is still a challenge. Chemotherapy is considered one of the regimens to cure this disease. In this study, a series of 1,2,3-triazole and isoxazole-linked benzothiazole/benzoxazole derivatives were synthesized and evaluated for their anticancer activity against human cancer cell lines, such as HeLa (cervical), and A549 (lung) cell lines, with HEK-293 cell line used as a control. Among them, conjugates 8a, 8f, 13g, 13h and 13j displayed significant cytotoxic activity against human cancer cell lines. Furthermore, these active conjugates induced an increase in the expression of key apoptotic genes that are involved in the intrinsic pathway of apoptosis such as caspase-9, caspase-3, BAX and cytochrome-c. This study may provide possible anti-cancer therapeutics against HeLa and lung cancer cells.

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

Chemistry, like all the natural sciences, SDS of cas: 6825-20-3, begins with the direct observation of nature¡ª in this case, of matter.6825-20-3, Name is 3,6-Dibromo-9H-carbazole, SMILES is C3=C2C1=C(C=CC(=C1)Br)[NH]C2=CC=C3Br, belongs to benzoxazole compound. In a document, author is Luo, Shuangjiang, introduce the new discover.

Triptycene-containing poly(benzoxazole-co-imide) membranes with enhanced mechanical strength for high-performance gas separation

Herein, a series of novel triptycene-containing thermally rearranged poly(benzoxazole-co-imide) membranes (TPI-PBOs) with enhanced mechanical properties and gas separation performance are reported. The effects of chemical structures and poly(benzoxazole-co-imide) composition on the fractional free volume, polymer chain packing, microcavity size and size distribution, mechanical properties, and gas transport properties have been comprehensively investigated. Due to the incorporation of triptycene-containing non-TR-able polyimide segments, the resulting poly(benzoxazole-co-imide) films exhibited good mechanical properties even after being treated at 450 degrees C. The incorporation of bulky and rigid triptycene units led to significantly improved fractional free volume and gas transport properties compared to previously reported poly(benzoxazole-co-imide)s. Several triptycene-containing poly(benzoxazole-co-imide) films displayed excellent gas separation performance for H-2/CH4, H-2/N-2, and CO2/CH4 gas pairs that exceeded the 2008 upper bounds.

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