Tag: M.W:100-200

In an article, author is Naikwade, Altafhusen, once mentioned the application of 409071-16-5, Category: benzoxazole, Name is Lithium difluoro(oxalato)borate, molecular formula is C2BF2LiO4, molecular weight is 143.7678, MDL number is MFCD27952543, category is benzoxazole. Now introduce a scientific discovery about this category.

Intramolecular O-arylation using nano-magnetite supported N-heterocyclic carbene-copper complex with wingtip ferrocene

Nano-magnetite supported N-heterocyclic carbene-copper complex with wingtip ferrocene has been prepared via multi-step procedure. The complex has been characterized by various analytical techniques such as fourier transform infrared (FT-IR), fourier transform Raman (FT-Raman), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM) analysis. The catalytic activity of the complex has been exploited in intramolecular O-arylation of o-iodoanilides under heterogeneous conditions. The complex could be successfully recycled up to twelve consecutive cycles.

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

Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 392-56-3, Name is Hexafluorobenzene, molecular formula is C6F6, belongs to benzoxazole compound. In a document, author is Mao, Shanshan, introduce the new discover, Application In Synthesis of Hexafluorobenzene.

Synthesis, crystal structure, fluorescence and electrochemical properties of two Ag(I) complexes based on 2-(4 ‘-pyridyl)-benzoxazole/SPPh3 ligands

To explore the luminescence properties of silver complexes in the solid state, two Ag(I) complexes, [Ag(4-PBO)(2)(NO3)] {di[2-(4 ‘-pyridyl)-benzoxazole]silver(I) nitrate} (1) and [Ag-2(SPPh3)(4)](ClO4)(2) {[tetra(triphenylphosphine sulfide)disilver(I)] diperchlorate} (2) (4-PBO =2-(4 ‘-pyridyl)-benzoxazole, SPPh3 = triphenylphosphine sulfide), have been synthesized and characterized by elemental analysis, FT-IR and UV-Vis spectroscopy. Single-crystal X-ray diffraction revealed that 1 is three-coordinate by two nitrogen atoms from two 4-PBO ligands and an oxygen atom from the coordinated nitrate anion forming a triangular plane configuration. In 2, the SPPh3 ligands adopt a monodentate coordinated and monoatomic bridging mode to connect two Ag(I) ions, resulting in a three-coordinate symmetrical binuclear structure. In the solid state, the luminescence properties of the ligands 4-PBO, SPPh3 and their complexes were investigated. The results demonstrated that 1 results in the fluorescence quenching of aggregates due to the strong pi-pi stacking effect. The fluorescence enhancement of 2 may be attributed to the aggregation-induced emission (AIE) effect of restricted intramolecular rotations of the peripheral phenyl rings against the central core. In addition, cyclic voltammograms of 1 and 2 indicated an irreversible Ag+/Ag couple.

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 392-56-3. Application In Synthesis of Hexafluorobenzene.

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

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 319-03-9, Name is 5-Fluoroisobenzofuran-1,3-dione, SMILES is O=C1OC(C2=C1C=CC(F)=C2)=O, in an article , author is Zomorodian, Kamiar, once mentioned of 319-03-9, Product Details of 319-03-9.

SYNTHESIS AND ANTIFUNGAL ACTIVITY OF BENZOXAZOLE DERIVATIVES WITH THEIR SAR ANALYSIS BY SAS-MAP

A simple and efficient method has been developed for the synthesis of benzoxazole derivatives. In the first step, 2-aminophenols reacted with various aldehydes in the presence of titanium supported nano-silica to produce an imine intermediate. Then the imine was oxidized to get the final azole compounds. Eleven derivatives were synthesized (c)-(m) via this simple and environmentally friendly procedure with high yields. The simple methodology (only 2 steps) with high yields for the reactions and easy procedure are the advantages of the newly developed method. The identification and characterization of all the synthesized compounds were confirmed by melting point, thin layer chromatography, FT-IR, H-1 NMR and C-13 NMR spectral data. Also elemental analysis was applied for five compounds. All the compounds were screened for antimicrobial activity by broth microdilution methods as recommended by CLSI. Of the tested compounds 2-(2,4-dichlorophenyl)-1,3-benzoxazole (g), and 2-( 4-chlorophenyl)-1,3-benzoxazole (f) inhibited the growth of all examined fungi, while 2-(4-nitrophenyl)-1,3-benzoxazole (c) exhibited inhibitory activities only against the tested yeasts.

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

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, 108-32-7, Name is 4-Methyl-1,3-dioxolan-2-one, SMILES is O=C1OCC(C)O1, in an article , author is Shang, Yuying, once mentioned of 108-32-7, Application In Synthesis of 4-Methyl-1,3-dioxolan-2-one.

Measurement and Correlation of Solubility of 2,2 ‘-(1,2-Ethenediyldi-4, 1-phenylene) Bis-benzoxazole in Monosolvents and Binary Solvent Mixtures at 323.15-383.15 K

The solubility of 2,2’-(1,2-ethenediyldi-4,1-phenylene) bis-benzoxazole (OB-1) in four monosolvents (chlorobenzene, N-methyl-2-pyrrolidone (NMP), N,N-dimethylformamide (DMF), and water) and four different binary solvents (chlorobenzene-DMF, NMP-water, DMF-water, and chlorobenzene-NMP) was measured by a dynamic method at temperatures ranging from 323.15-383.15 K under an atmospheric pressure of 0.101 MPa. The experimental data shows that the solubility of fluorescent agent OB-1 increases with an increase in temperature in both the pure and binary solvents. The solubility of the fluorescent agent OB-1 in four pure solvents increases in the following order: chlorobenzene > NMP > DMF > water. The modified Apelblat equation, lambda h equation, nonrandom two-liquid (NRTL) model, and Wilson equation were used to correlate the experimental data, and the experimental solubility and correlation equations in this work can be used as essential data and models in the industrial manufacture process of OB-1.

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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 Wang, Dan-Dan, once mentioned the application of 409071-16-5, Name is Lithium difluoro(oxalato)borate, molecular formula is C2BF2LiO4, molecular weight is 143.7678, MDL number is MFCD27952543, category is benzoxazole. Now introduce a scientific discovery about this category, Application In Synthesis of Lithium difluoro(oxalato)borate.

Heteroleptic [Cu(NN)P-2](+)-type cuprous complexes and their structural modulation on phosphorescent color: Synthesis, structural characterization, properties, and theoretical calculations

Four new heteroleptic [Cu(NN)P-2](+)-type cuprous complexes-1-TPP, 2-POP, 3-Xantphos, and 4-DPPF-were designed and synthesized using a diimine ligand 2-(2 ‘-pyridyl)benzoxazole (2-PBO) and different phosphine ligands (TPP, triphenylphosphine; POP, bis[2-(diphenylphosphino)phenyl]ether; Xantphos, 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; DPPF, 1,1 ‘-bis(diphenylphosphino)-ferrocene). All complexes were characterized using single-crystal X-ray diffraction, spectroscopic analysis (infrared, UV-Vis.), elemental analysis, and photoluminescence (PL). Single-crystal X-ray diffraction revealed complexes 1-4 as isolated cation complex structures with a tetrahedral CuN2P2 coordination geometry and diverse P-Cu-P angles. Their UV-Vis. absorption spectra exhibited a blue-shift sequence in wavelength with an enlarged P-Cu-P angle from 4 to 2 then to 3 and then to 1. The PL emission peaks of 1-3 also exhibited a similar blue-shift sequence (2 -> 3 -> 1). Their PL lifetime in microseconds (7.5, 5.1, and 4.7 mu s for 1, 2, and 3, respectively) indicated that their PL behavior represents phosphorescence. Time-dependent density functional theory (TD-DFT) calculation and wavefunction analysis revealed that S-1 and T-1 states of 1-3 should be assigned as metal-ligand and ligand-ligand charge-transfer (ML + L’L)CT states. Their UV-Vis. absorption and phosphorescence should be attributed to the charge transfer from the P-Cu-P segment to the 2-PBO ligand. Therefore, as the P-Cu-P angle increased (lower HOMO), the energy of S-1 and T-1 states also increased, following the change of PL color.

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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 Wang, Mei-Yan, once mentioned the application of 2892-51-5, Name is 3,4-Dihydroxy-3-cyclobutene-1,2-dione, molecular formula is C4H2O4, molecular weight is 114.06, MDL number is MFCD00001334, category is benzoxazole. Now introduce a scientific discovery about this category, SDS of cas: 2892-51-5.

Synthesis and biological evaluation of novel N-aryl-omega-(benzoazol-2-yl)-sulfanylalkanamides as dual inhibitors of alpha-glucosidase and protein tyrosine phosphatase 1B

alpha-Glucosidase is known to catalyze the digestion of carbohydrates and release free glucose into the digestive tract. Protein tyrosine phosphatase 1B (PTP1B) is engaged in the dephosphorylation of the insulin receptor and regulation of insulin sensitivity. Therefore, dual antagonists by targeting both -glucosidase and PTP1B may be potential candidates for type 2 diabetes therapy. In this work, three series of novel N-aryl–(benzoazol-2-yl)-sulfanylalkanamides were synthesized and assayed for their -glucosidase and PTP1B inhibitory activities, respectively. Compound 3l, exhibiting the most effective -glucosidase inhibitory activity (IC50=10.96m (3l), IC50=51.32m (Acarbose), IC50=18.22m (Ursolic acid)) and potent PTP1B inhibitory activity (IC50=13.46m (3l), IC50=14.50m (Ursolic acid)), was identified as a novel dual inhibitor of -glucosidase and PTP1B. Furthermore, 3l is a highly selective PTP1B inhibitor because no inhibition was showed by 3l at 100m against PTP-MEG2, TCPTP, SHP2, or SHP1. Subsequent kinetic analysis revealed 3l inhibited -glucosidase in a reversible and mixed manner. Molecular docking study indicated that hydrogen bonds, van der Waals, charge interactions and Pi-cation interactions all contributed to affinity between 3l and -glucosidase/PTP1B.

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

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 637031-93-7, Name is 3,3-difluorocyclobutanamine hydrochloride, molecular formula is C4H8ClF2N. In an article, author is Mao, Shanshan,once mentioned of 637031-93-7, Computed Properties of C4H8ClF2N.

Synthesis, crystal structure, fluorescence and electrochemical properties of two Ag(I) complexes based on 2-(4 ‘-pyridyl)-benzoxazole/SPPh3 ligands

To explore the luminescence properties of silver complexes in the solid state, two Ag(I) complexes, [Ag(4-PBO)(2)(NO3)] {di[2-(4 ‘-pyridyl)-benzoxazole]silver(I) nitrate} (1) and [Ag-2(SPPh3)(4)](ClO4)(2) {[tetra(triphenylphosphine sulfide)disilver(I)] diperchlorate} (2) (4-PBO =2-(4 ‘-pyridyl)-benzoxazole, SPPh3 = triphenylphosphine sulfide), have been synthesized and characterized by elemental analysis, FT-IR and UV-Vis spectroscopy. Single-crystal X-ray diffraction revealed that 1 is three-coordinate by two nitrogen atoms from two 4-PBO ligands and an oxygen atom from the coordinated nitrate anion forming a triangular plane configuration. In 2, the SPPh3 ligands adopt a monodentate coordinated and monoatomic bridging mode to connect two Ag(I) ions, resulting in a three-coordinate symmetrical binuclear structure. In the solid state, the luminescence properties of the ligands 4-PBO, SPPh3 and their complexes were investigated. The results demonstrated that 1 results in the fluorescence quenching of aggregates due to the strong pi-pi stacking effect. The fluorescence enhancement of 2 may be attributed to the aggregation-induced emission (AIE) effect of restricted intramolecular rotations of the peripheral phenyl rings against the central core. In addition, cyclic voltammograms of 1 and 2 indicated an irreversible Ag+/Ag couple.

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

Related Products of 409071-16-5, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 409071-16-5, Name is Lithium difluoro(oxalato)borate, SMILES is O=C(O[B-](F)(F)O1)C1=O.[Li+], belongs to benzoxazole compound. In a article, author is Yatam, Satyanarayana, introduce new discover of the category.

Design, Synthesis and Biological Evaluation of 2 (((5-aryl-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazoles: New Antiinflammatory and Antioxidant Agents

The oxadiazole linked benzoxazoles derivatives were designed using scaffold hopping approach and their molecular level interactions with both isoforms of cyclooxygenases, Cyclo OXygenase-1 (COX-1) and CycloOXygenase-2 (COX-2), were carried out using docking protocols. Mini library of oxadiazole linked benzoxazoles derivatives were synthesized and tested for their COX inhibitory activity by invitro enzyme assay. The results indicated that compound 2-(((5-(2,4-dichlorophenyl)-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazole (5h), 2-(((5-(4-nitrophenyl)-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazole (5j) and 2-(((5-(4-(trifluoromethyl)phenyl)-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazole (5k) selectively inhibited COX-2 enzyme. The compound 5j exhibited strong selective COX-2 inhibition (IC50=4.83 mu M) followed by compound 5h (IC50=5.10 mu M) and 5k (IC50=6.70 mu M). The invivo anti-inflammatory activity of compound 5j was found to have better efficiency than the standard drug Ibuprofen at both 3h and 5h intervals. The significant molecular level interactions with respect to position of benzoxazole, 1,2,4-oxadiazole and substituted aryl groups in both COX-1 and COX-2 active sites were discussed. Subsequently, 2,2-diphenyl-2-picrylhydrazyl (DPPH) anti-oxidant activity was also checked for all the compounds and the compound 5j was found to be good anti-oxidant among the series with an IC50 of 34.5 mu M.

Related Products of 409071-16-5, 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 409071-16-5 is helpful to your research.

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

Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 392-56-3, Name is Hexafluorobenzene. In a document, author is Xiao, Yan, introducing its new discovery. Recommanded Product: 392-56-3.

Metal-free C-H mercaptalization of benzothiazoles and benzoxazoles using 1,3-propanedithiol as thiol source

A facile and effective C-H functionalization strategy for the synthesis of 2-mercaptobenzothiazoles and 2-mercaptobenzoxazoles is described. 1,3-Propanedithiol was employed to convert benzothiazoles and benzoxazoles to the corresponding heteroarylthiols in the presence of potassium hydroxide and DMSO. This novel protocol is featured by direct C-H mercaptalization of heteroarenes and a simple reaction system.

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

Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 530-62-1, Name is Di(1H-imidazol-1-yl)methanone. In a document, author is Barros, Helio L., introducing its new discovery. COA of Formula: C7H6N4O.

Water-Soluble Benzazole Dyes Fluorescent by ESIPT: Structural Characterization, Photophysical Properties and Its Application as a Probe for Direct Staining of Helminths

A series of four water-soluble benzazole dyes that emit fluorescence by the excited state intramolecular proton transfer (ESIPT) mechanism were structurally characterized by Fourier transform infrared spectroscopy (FTIR), H-1 and C-13 nuclear magnetic resonance (NMR) attached proton test (APT) and mass spectrometry. Their photophysical properties were systematically studied by UV-absorption and fluorescence emission. Some photophysical parameters were obtained by semi-empirical PM3 and ZINDO methods, and related to experimental photophysical data. Changes in the absorption and fluorescence emission spectra as well as conformational equilibrium between different species were investigated in solvents of different polarities and under different pH conditions. These benzazole dyes emit dual fluorescence emission in the blue-orange region with a Stokes shift between 2617-12337 cm(-1). In general, these dyes are potentially interesting for studies of biological systems in an aqueous environment due to the presence of groups that increase aqueous solubility and reactivity with biomolecules. The present dyes were successfully used as new probes by means of direct staining of larvae. The obtained results indicate that these fluorescent dyes permit a quick, easy and selective visualization of larvae.

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