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Asymmetric benzoin condensation was performed using recombinant benzaldehyde lyase (BAL) from Pseudomonas fluorescens Biovar I. To enable the conversion of hydrophobic substrates, the enzyme was entrapped in polyvinyl alcohol and suspended in hexane. Compared to the reported application of the biocatalyst in an aqueous phase containing 20% DMSO, the productivity of the resulting gel-stabilised two-phase system was 3-fold better. The entrapment process had an efficiency of >90%, no enzyme or cofactor was lost during reaction or storage. The entrapped enzyme was stable in hexane for 1 week at 4C and more than 1 month at -20C. Without preceding optimisation the novel benzoins (R)-1,2-di(3-furanyl)-2-hydroxyethanone, (R)-2-hydroxy-1,2-di(3- thienyl) ethanone, (R)-1,2-di(4-ethoxyphenyl)-2-hydroxyethanone, (R)-1,2-di(3-ethoxyphenyl)-2-hydroxyethanone, (R)-2-hydroxy-1,2-di(3-tolyl) ethanone, and (R)-1,2-di(benzofuran-2-yl)-2-hydroxyethanone were prepared with yields up to 31.8% and enantiomeric excess >99%.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H851O – PubChem

Electric Literature of 4265-16-1, 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.In a document type is Article, and a compound is mentioned, 4265-16-1, Benzo[b]furan-2-carboxaldehyde, introducing its new discovery.

A novel series of combretastatin A-4 heterocyclic analogues was prepared by replacement of the B ring with indole, benzofurane or benzothiophene, attached at the C2 position. These compounds were evaluated for their abilities to inhibit tubulin assembly: derivative cis 3b, having a benzothiophene, showed an activity similar to those of colchicine or deoxypodophyllotoxine. The antiproliferative and antimitotic properties of cis 3b against keratinocyte cancer cell lines were also evaluated and the intracellular organization of microtubules in the cells after treatment with both stereoisomers of 3b was also determined, using confocal microscopy.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H972O – PubChem

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. category: benzofuran. Introducing a new discovery about 4265-16-1, Name is Benzo[b]furan-2-carboxaldehyde

The synthesis and the pharmacological activity of a series of 1,5-diarylimidazoles developed as potent and selective cyclooxygenase-2 (COX-2) inhibitors are described. The new compounds were evaluated both in vitro (COX-1 and COX-2 inhibition in human whole blood) and in vivo (carrageenan-induced paw edema, air-pouch, and hyperalgesia tests). Modification of all the positions of two regioisomeric imidazole cores led to the identification of 4-[4-chloro-5-(3-fluoro4-methoxyphenyl)imidazol-1-yl]benzenesulfonamide (UR-8880, 51f) as the best candidate, which is now undergoing Phase I clinical trials.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H727O – PubChem

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Computed Properties of C9H6O2, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 4265-16-1, Name is Benzo[b]furan-2-carboxaldehyde, molecular formula is C9H6O2

The combination of the HIV protease inhibitor Compound A and one or more nucleoside reverse transcriptase inhibitors, non-nucleoside reverse transcriptase inhibitors, or protease inhibitors is useful in the inhibition of HIV protease, the inhibition of HIV reverse transcriptase, the prevention or treatment of AIDS, either as compounds, pharmaceutically acceptable salts or esters, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H679O – PubChem

Application of 4265-16-1, 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. 4265-16-1, Name is Benzo[b]furan-2-carboxaldehyde, molecular formula is C9H6O2. In a Article，once mentioned of 4265-16-1

A self diastereoselective, simple metal free and efficient branch domino reaction gave multiple heteroaryl substituted (±) cyclohexanols with five chiral centres in >95% yields. The reactions that occur are Claisen Schmidt condensation followed by Michael addition and Aldol reactions of heteroaryl carbaldehydes and acetyl pyridine derivatives. Mechanistic study of the reactions shows excellent self diastereoselectivity (dr > 99%) in the intermediate steps which results selectively in the formation of one set of enantiomers out of sixteen possible enantiomeric pairs. The self diastereoselectivity of reaction in all the steps dominates due to the steric hindrance induced by the bulky heteroaryl groups. The stereochemistry of the synthesized compounds is established using single crystal XRD.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H985O – PubChem

Application of 4265-16-1, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 4265-16-1, Name is Benzo[b]furan-2-carboxaldehyde,introducing its new discovery.

Facile reduction of aryl halides with a combination of 5% Pd/C, B2(OH)4, and 4-methylmorpholine is reported. Aryl bromides, iodides, and chlorides were efficiently reduced. Aryl dihalides containing two different halogen atoms underwent selective reduction: I over Br and Cl, and Br over Cl. Beyond these, aryl triflates were efficiently reduced. This combination was broadly general, effectuating reductions of benzylic halides and ethers, alkenes, alkynes, aldehydes, and azides, as well as for N-Cbz deprotection. A cyano group was unaffected, but a nitro group and a ketone underwent reduction to a low extent. When B2(OD)4 was used for aryl halide reduction, a significant amount of deuteriation occurred. However, H atom incorporation competed and increased in slower reactions. 4-Methylmorpholine was identified as a possible source of H atoms in this, but a combination of only 4-methylmorpholine and Pd/C did not result in reduction. Hydrogen gas has been observed to form with this reagent combination. Experiments aimed at understanding the chemistry led to the proposal of a plausible mechanism and to the identification of N,N-bis(methyl-d3)pyridin-4-amine (DMAP-d6) and B2(OD)4 as an effective combination for full aromatic deuteriation. (Figure presented.).

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H891O – PubChem

In heterogeneous catalysis, the catalyst is in a different phase from the reactants. COA of Formula: C9H6O2, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 4265-16-1, name is Benzo[b]furan-2-carboxaldehyde. In an article，Which mentioned a new discovery about 4265-16-1

We demonstrate that newly synthesised 7-acetamido-3-hydroxychromones, as well as their parent 3-hydroxychromone (3HC) analogues, exhibit excited-state intramolecular proton transfer reaction in polar protic media including water, resulting in well-resolved two-band fluorescence. Among all 3HCs reported so far, the new compounds show the highest quantum yields ever reported in water (4-13%), while maintaining the sensitive ratiometric response to solvent polarity. This makes them very promising precursors for the development of two-band fluorescent labels and probes, operating in water and other protic media.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H886O – PubChem

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N-Heterocyclic carbene (NHC) catalysis has been widely used for the umpolung of aldehydes, and recently for the umpolung of Michael acceptors. Described herein is the umpolung of aldimines catalyzed by NHCs, and the reaction likely proceeds via aza-Breslow intermediates. The NHC-catalyzed intramolecular cyclization of aldimines bearing a Michael acceptor resulted in the formation of biologically important 2-(hetero)aryl indole 3-acetic-acid derivatives in moderate to good yields. The carbene generated from the bicyclic triazolium salt was found to be efficient for this transformation.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H990O – PubChem

Related Products of 4265-16-1, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 4265-16-1, Name is Benzo[b]furan-2-carboxaldehyde,introducing its new discovery.

Hydrazones are important classes of compounds found in many synthetic products. Due to their importance in synthetic chemistry, the present article reports the synthesis of twelve new hydrazone derivatives based on the coupling of 2,5-difluorobenzohydrazide with different benzaldehydes and screened for their antibacterial activities at the concentration 250 mug/mL with reference to the standard antibacterial drug Ampicillin. The screening results revealed that hydrazone derivatives 4d, 4e, 4f and 4h having fluorine substitution showed significant antibacterial activity comparable to that of standard drug Ampicillin.

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H970O – PubChem

Application of 4265-16-1, 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.In a document type is Article, and a compound is mentioned, 4265-16-1, Benzo[b]furan-2-carboxaldehyde, introducing its new discovery.

Various C-aryl and C-alkyl-nitrones were synthesized within 0.5-2 h via condensation of an equimolar amount of aldehydes and N-substituted-hydroxylamines under solvent-free conditions in a ball-mill apparatus. Reactions can be performed without the need of excluding air and moisture and yields the expected products with no need for further purification. The study has been complemented by Differential Scanning Calorimetry (DSC) and solid-state 13C MAS nuclear magnetic resonance experiments. We have also studied the temperature profile during the reaction. A comparative study with the corresponding solvent-free microwave activated reaction showed the superiority of the ball-milling method; 31 examples are described, including the synthesis of the anti-aging agent C-phenyl-N-tert-butyl nitrone (PBN) and one of its analogues C-2-pyridyl-N-tert-butylnitrone (2-PyBN).

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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H786O – PubChem