Category: 405-50-5

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2. In an article, author is Asatkar, Archana,once mentioned of 405-50-5, Quality Control of 2-(4-Fluorophenyl)acetic acid.

Facile protocol for the synthesis of benzothiazole, benzoxazole and N-benzimidazole derivatives using rice husk derived chemically activated carbon

Here, we have demonstrated rice husk derived chemically activated carbon catalyzed synthesis of benzothiazole, benzoxazole and N-benzimidazole derivatives at room temperature in aqueous ethanol by the condensation of 2-aminothiophenol, 2-amino phenol and ortho-phenylene diamine with aromatic aldehydes respectively. The activated carbon showed excellent catalytic activity and furnished superior to excellent yields of desired products (95-98%). The catalyst was separated from reaction combination by simply filtration, washed with ethanol, dried and recycled able to at least eight runs. (C) 2019 Elsevier Ltd. All rights reserved.

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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. , Application In Synthesis of 2-(4-Fluorophenyl)acetic acid, 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2, belongs to benzoxazole compound. In a document, author is Vodnala, Nagaraju, introduce the new discover.

Facile Protocols towards C2-Arylated Benzoxazoles using Fe(III)-Catalyzed C(sp(2)-H) Functionalization and Metal-Free Domino Approach

Considering their growing attention in the field of medicinal chemistry and drug-discovery research, the facile and convenient approaches towards the preparation of 2-aryl benzoxazole derivatives have been described. The transformation is accomplished by using Fe(III)-catalyzed C-H activation of benzoxazoles with boronic acids to obtain a wide range of C2-arylated benzoxazoles in high yields. The developed method excludes the formation of self-coupling compounds as side products. On the other hand, the synthesis of the products is also achieved via a metal-free domino protocol by the reaction between 1-nitroso-2-naphthol and acetophenones using catalytic amounts of CBr4 in the presence of Cs2CO3 as base. The devised tandem method avoids the use of pre-activated alpha-haloketones as substrates. Due to their immense impact in marketed drugs and molecules under clinical trial, the described method can be a powerful tool for their synthesis which restricts the use of precious metals as catalyst.

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 405-50-5. Application In Synthesis of 2-(4-Fluorophenyl)acetic acid.

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. 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, SMILES is C1=C(C=CC(=C1)F)CC(O)=O, in an article , author is Thiriveedhi, Arunkumar, once mentioned of 405-50-5, Category: benzoxazole.

Novel Pyrazolyl Benzoxazole Conjugates: Design, Synthesis, Molecular Docking Studies and in vitro Anticancer Activities

Nowadays, hybrid drugs have gained a significant role in the treatment of different health problems. Most of the hybrid molecules with different heterocyclic moieties were proved to be potent anti-tumor agents in cancer chemotherapy. Hence, the present study is aimed at the evaluation of in vitro anticancer activity of novel hybrid molecules (pyrazolyl benzoxazole conjugates) and to investigate their anticancer activity by molecular docking studies. Designed, synthesized and characterized the novel pyrazolyl benzoxazole conjugates. Anticancer activity of these compounds was determined by SRB assay. Then molecular docking studies were carried out against proto-oncogene tyrosine-protein kinase (ATP-Src, PDB: 2BDF), a putative target for cancer. All the synthesized compound derivatives were evaluated against MCF-7, KB, Hop62 and A549 cancer cell lines. Compounds 9b and 9c exhibited excellent anticancer activities with GI(50) values of <0.1 mu M against MCF-7 and A549 cell lines. Compound 9e exhibited good antitumor activity on MCF-7 and A-549 with GI(50) values of 0.12 mu M and 0.19 mu M respectively. Compound 9g showed better anticancer activity on A-549 cancer cell line with GI(50) of 0.34 mu M. The two-hybrid molecules 9b and 9c are found to be comparably potent with the standard drug doxorubicin and may act as drug lead compounds in medicinal chemistry aspect. The present docking investigation proved that having benzoxazole of compound 9c at the position of benzofuran of reference compound (N-acetyl pyrazoline derivative) might be valid for contributing to anti-cancer activity. Interested yet? Read on for other articles about 405-50-5, you can contact me at any time and look forward to more communication. Category: benzoxazole.

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. 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2, belongs to benzoxazole compound. In a document, author is Bradford, Shayna T. J., introduce the new discover, HPLC of Formula: C8H7FO2.

High-throughput screens for agonists of bone morphogenetic protein (BMP) signaling identify potent benzoxazole compounds

Bone morphogenetic protein (BMP) signaling is critical in renal development and disease. In animal models of chronic kidney disease (CKD), re-activation of BMP signaling is reported to be protective by promoting renal repair and regeneration. Clinical use of recombinant BMPs, however, requires harmful doses to achieve efficacy and is costly because of BMPs’ complex synthesis. Therefore, alternative strategies are needed to harness the beneficial effects of BMP signaling in CKD. Key aspects of the BMP signaling pathway can be regulated by both extracellular and intracellular molecules. In particular, secreted proteins like noggin and chordin inhibit BMP activity, whereas kielin/chordin-like proteins (KCP) enhance it and attenuate kidney fibrosis or CKD. Clinical development of KCP, however, is precluded by its size and complexity. Therefore, we propose an alternative strategy to enhance BMP signaling by using small molecules, which are simpler to synthesize and more cost-effective. To address our objective, here we developed a small-molecule high-throughput screen (HTS) with human renal cells having an integrated luciferase construct highly responsive to BMPs. We demonstrate the activity of a potent benzoxazole compound, sb4, that rapidly stimulated BMP signaling in these cells. Activation of BMP signaling by sb4 increased the phosphorylation of key second messengers (SMAD-1/5/9) and also increased expression of direct target genes (inhibitors of DNA binding, Id1 and Id3) in canonical BMP signaling. Our results underscore the feasibility of utilizing HTS to identify compounds that mimic key downstream events of BMP signaling in renal cells and have yielded a lead BMP agonist.

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 405-50-5. HPLC of Formula: C8H7FO2.

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 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid. In a document, author is Wang, Junfeng, introducing its new discovery. Product Details of 405-50-5.

Efficient synthesis of NIR emitting bis [2-(2 ‘-hydroxylphenyl)benzoxazole] derivative and its potential for imaging applications

Unassymetric bis[2-(2’-hydroxyphenylbenzoxole)] bis(HBO) derivatives with a DPA functionality for zinc binding have been developed with an efficient synthetic route, using the retrosynthetic analysis. Comparison of bis(HBO) derivatives with different substitution patterns allows us to verify and optimize their unique fluorescence properties. Upon binding zinc cation, bis(HBO) derivatives give a large fluorescence turn-on in both visible (lambda(em) approximate to 536 nm) and near-infrared (NIR) window (lambda(em) approximate to 746 nm). The probes are readily excitable by a 488 nm laser, making this series of compounds a suitable imaging tool for in vitro and in vivo study on a confocal microscope. The application of zinc binding-induced fluorescence turn-on is successfully demonstrated in cellular environments and thrombus imaging.

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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. 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2. In an article, author is Bucki, Adam,once mentioned of 405-50-5, Quality Control of 2-(4-Fluorophenyl)acetic acid.

Multifunctional 6-fluoro-3-[3-(pyrrolidin-1-yl)propyl]-1,2-benzoxazoles targeting behavioral and psychological symptoms of dementia (BPSD)

Patients suffering from dementia experience cognitive deficits and 90% of them show non-cognitive behavioral and psychological symptoms of dementia (BPSD). The spectrum of BPSD includes agitation, depression, anxiety and psychosis. Antipsychotics, e.g. quetiapine, have been commonly used off-label to control the burdensome symptoms, though they cause serious side effects and further cognitive impairment. Therefore, the development of targeted therapy for BPSD, suitable for elderly patients, remains relevant. A multitarget-directed ligand, acting on serotonin 5-HT2A and dopamine D-2 receptors (R) and thus exerting anti-aggressive and antipsychotic activity, as well as on 5-HT(6)Rs and 5-HT(7)Rs ( potential procognitive, antidepressant and anxiolytic activity), poses a promising strategy for the treatment of BPSD. Antitargeting muscarinic M3R and hERG channel is expected to reduce the risk of side effects. We obtained a series of stereoisomeric compounds by combining 6-fluoro-1,2-benzoxazole moiety and arylsulfonamide fragment through pyrrolidin-1-yl-propyl linker. N-[(3R)-1-[3-(6-fluoro-1,2-benzoxazol-3-yl)propyl]pyrrolidin-3-yl]-1-benzothiophene-2-sulfonamide showed a substantial affinity for the targets of interest (pK(i) = 8.32-9.35) and no significant interaction with the antitargets. Functional studies revealed its antagonist efficacy (pK(B) = 7.41-9.03). The lead compound showed a promising profile of antipsychotic-like activity in amphetamine- and MK-801-induced hyperlocomotion (MED = 2.5 mg/kg), antidepressant-like, as well as anxiolytic-like activity in mice (MED = 0.312 and 1.25 mg/kg in the forced swim and four-plate tests, respectively). Notably, the novel compound didn’t affect spontaneous locomotor activity, nor induced catalepsy or memory deficits (step-through passive avoidance test) in therapeutically relevant doses, which proved its benign safety profile. The overall pharmacological characteristics of the lead compound outperformed the reference drug quetiapine, making it a promising option for evaluation in the treatment of BPSD. (c) 2020 The Authors. Published by Elsevier Masson SAS. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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

Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2, belongs to benzoxazole compound, is a common compound. In a patnet, author is Song, Yan, once mentioned the new application about 405-50-5, Recommanded Product: 405-50-5.

Synthesis and application of benzoxazole derivative-based fluorescent probes for naked eye recognition

A fluorescent probe to detect biothiols (GSH/Hcy/Cys) was synthesized with benzothiazole as the fluorophore and nitromethane as the recognition group. The recognition mechanism of the fluorescent probe was deduced. It was found that a nitroalkene in the molecule was used as the recognition site for this probe and reacted with the mercapto group of the biothiols by electrophilic addition, significantly enhancing the fluorescent signal. Experimental results showed that the fluorescent probe had a low detection limit, good selectivity, strong anti-interference ability, and good naked eye recognition. The probe could detect biothiols (GSH/Hcy/Cys) in 20% organic solvent, with detection limits of 0.33 mu M, 0.70 mu M, and 0.87 mu M, respectively. The probe will be applied further in biosensors and other fields.

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

Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics, Recommanded Product: 2-(4-Fluorophenyl)acetic acid, 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, SMILES is C1=C(C=CC(=C1)F)CC(O)=O, belongs to benzoxazole compound. In a document, author is Katlenok, Eugene A., introduce the new discover.

Supramolecular Assembly of Metal Complexes by (Aryl)I…dz2 [Pt-II] Halogen Bonds

The theoretical data for the half-lantern complexes [{Pt(CN<^>)(mu-SN<^>)}(2)] [1-3; CN<^> is cyclometalated 2-Ph-enzothiazole; SN<^> is 2-SH-pyridine (1), 2-SH-benzoxazole (2), 2-SH-tetrafluorobenzothiazole (3)] indicate that the Pt…Pt orbital interaction increases the nucleophilicity of the outer dz2 orbitals to provide assembly with electrophilic species. Complexes 1-3 were co-crystallized with bifunctional halogen bonding (XB) donors to give adducts (1-3)(2).(1,4-diiodotetrafluorobenzene) and infinite polymeric [1.1,1 ‘-diiodoperfluorodiphenyl](n). X-ray crystallography revealed that the supramolecular assembly is achieved through (Aryl)I…dz2[Pt-II] XBs between iodine sigma-holes and lone pairs of the positively charged (Pt-II)(2) centers acting as nucleophilic sites. The polymer includes a curved linear chain…Pt-2…I(arene(F))I…Pt-2… involving XB between iodine atoms of the perfluoroarene linkers and (Pt-II)(2) moieties. The Pt-195 NMR, UV/Vis, and CV studies indicate that XB is preserved in CH(D)(2)Cl-2 solutions.

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 405-50-5. Recommanded Product: 2-(4-Fluorophenyl)acetic acid.

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

In an article, author is Chen, Kelvin H-C, once mentioned the application of 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2, molecular weight is 154.14, MDL number is MFCD00004343, category is benzoxazole. Now introduce a scientific discovery about this category, Quality Control of 2-(4-Fluorophenyl)acetic acid.

Cyclometalated Iridium(III) Complexes Containing Benzoxazole Derivatives and Different Ancillary Ligands for Catalytic Oxidation of Toluene

A series of cyclometalated iridium(III) complexes that have the general formula [((CN)-N-boolean AND)(2)Ir(NR)(X)] ((CN)-N-boolean AND = monoanionic bidentate cyclometalating ligands; NR = pyridine derivatives; X = Cl- or I-) are designed, prepared, and applied for the transformation of toluene to benzaldehyde using a clean, highly efficient, and environmentally-friendly process. The activation energies that are needed for the catalytic oxidation of toluene when using these complexes as catalysts are quite low: between 22.9 and 30.8 kcal mol(-1). The catalytic frequencies (TOF) are fairly high (up to 7.0 x 10(2) h(-1)) with excellent reliability, and the turnover number (TON) can reach 4.2 x 10(3) after 6 h of processing time. Catalytic tests, X-ray absorption near-edge structure (XANES), and kinetic modeling are used to derive detailed insights into the characteristics of the catalysts and their effects on the reactions that are featured in the catalytic oxidation of toluene.

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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. 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2. In an article, author is Yang, Xiaofeng,once mentioned of 405-50-5, Safety of 2-(4-Fluorophenyl)acetic acid.

A through-bond energy transfer-based ratiometric fluorescent pH probe: For extreme acidity and extreme alkaline detection with large emission shifts

A ratiometric fluorescence pH probe 1 based on through-bond energy transfer (TBET) with a 2-(2-hydroxyphenyl)benzoxazole (HBO) as donor and a Rhodamine derivative as acceptor is developed through simple condensation reaction. The probe exhibits a ratiometric fluorescence emission (I-593/I-422) characteristics and linear response to extreme acidity range of 5.00-2.88, and a ratiometric fluorescence emission (I-555/I-422) characteristics and linear response to extreme alkaline range of 10.00-13.78, respectively. Moreover, 1 possesses highly selective response to pH over metal ions, good reversibility and excellent photostability. Probe 1 is cellpermeable and can distinguish near pH 5.55 fluctuations in Hela cells. Furthermore, 1 can be immobilized on a test paper, which shows a rapid and reversible colorimetric response to HCl/NH3 vapor by the naked-eye.

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