Category: 4923-87-9

4923-87-9, Name is 5-Bromobenzothiophene, belongs to benzothiophene compound, is a common compound. Recommanded Product: 4923-87-9In an article, once mentioned the new application about 4923-87-9.

The invention relates to compounds of formula (I), wherein Ra, Rb, Rc, Rd, R3, R4, R5, A1, A2, T and W are as defined in the description. The invention also relates to drugs containing same.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Related Products of 4923-87-9, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.4923-87-9, Name is 5-Bromobenzothiophene, molecular formula is C8H5BrS. In a article，once mentioned of 4923-87-9

Divergent synthesis that enables a catalytic reaction to selectively produce different products from common substrates will allow the charting of wider chemical space and the unveiling of distinct mechanistic paradigms. A common strategy for it employs different ligands to modulate organometallic catalysts. Dramatic developments in photocatalysis have enabled previously inaccessible transformations. In particular, photoredox catalysis modulates the oxidation state of transition-metal complexes, offering enormous opportunities for methodology development. Herein, we developed a photo-mediated divergent ethylene difunctionalization via modulating oxidation states of the nickel catalyst by using different photoredox catalysts. This work will inspire new perspectives for value-added chemical synthesis using ethylene as a feedstock and shed light on photoredox-catalyst-based divergent synthesis, which fundamentally differs from ligand-controlled transition-metal catalysis.Divergent synthesis represents a powerful strategy for directly accessing different molecular scaffolds originating from the same starting materials. Access to different end products via transition-metal catalysis is conventionally achieved by ligand control. We herein demonstrate the use of ethylene feedstock and commercially available aryl halides to accomplish the divergent synthesis of 1,2-diarylethanes, 1,4-diarylbutanes, or 2,3-diarylbutanes in a highly selective fashion through the synergistic combination of nickel and photoredox catalysis. Mechanistic studies suggest that the observed selectivity was due to different active states of Ni(I) and Ni(0) modulated by Ru- and Ir-based photoredox catalysts, respectively. The ability to access different organometallic oxidation states via photoredox catalysis promises to inspire new perspectives for synergistic transition-metal-catalyzed divergent synthesis.Functionalization of ethylene without polymerization is challenging under photo-irradiation conditions. We have demonstrated that the photo-transformation of ethylene can be controllable by merging photoredox and transition-metal catalysis. In our study, the use of different photoredox catalysts was able to modulate the oxidation state of the nickel catalyst. Through different oxidation states, the nickel-catalyzed couplings proceeded via distinct pathways to generate divergent ethylene difunctionalization products selectively from the same feedstock.

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 4923-87-9

Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Electric Literature of 4923-87-9, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 4923-87-9, Name is 5-Bromobenzothiophene,introducing its new discovery.

Early process development toward a triple reuptake inhibitor is described. Three different routes were evaluated; one of them was optimized and scaled up to generate 470 g of API as this route minimized the formation of undesired side products. The selected route featured Eatons reagent-mediated cyclization of a phenyl acetamide, copper-mediated Buchwald-Hartwig coupling to install a morpholine moiety, and palladium-catalyzed alpha-arylation of a dihydroisoquinolinone to construct the core structure.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Synthetic Route of 4923-87-9, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 4923-87-9, Name is 5-Bromobenzothiophene,introducing its new discovery.

The enzyme aryl/alkenyl malonate decarboxylase (AMDase) catalyses the enantioselective decarboxylative protonation (EDP) of a range of disubstituted malonic acids to give homochiral carboxylic acids that are valuable synthetic intermediates. AMDase exhibits a number of advantages over the non-enzymatic EDP methods developed to date including higher enantioselectivity and more environmentally benign reaction conditions. In this report, AMDase and engineered variants have been used to produce a range of enantioenriched heteroaromatic alpha-hydroxycarboxylic acids, including pharmaceutical precursors, from readily accessible alpha-hydroxymalonates. The enzymatic method described here represents an improvement upon existing synthetic chemistry methods that have been used to produce similar compounds. The relationship between the structural features of these new substrates and the kinetics associated with their enzymatic decarboxylation is explored, which offers further insight into the mechanism of AMDase. Versatile decarboxylase: Aryl malonate decarboxylase (AMDase) and engineered variants have been shown to catalyse the enatioselective decarboxylative protonation of a range of alpha-heteroaryl alpha-hydroxy malonates with excellent yields and enantioselectivity (see scheme).

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Chemistry is traditionally divided into organic and inorganic chemistry. Recommanded Product: 5-Bromobenzothiophene, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 4923-87-9

The synthesis and utilization of a class of 2,1-borazaronaphthyltrifluoroborate reagents that provide a general solution to the challenge of N-functionalization of the 2,1-borazaronaphthalene core is described. By adorning the nitrogen of this core with a trifluoroboratomethyl unit, a suite of odd-electron processes can be executed, installing motifs that would otherwise be inaccessible using a two-electron approach. In addition, this process enables rapid annulation, furnishing a heretofore unknown polycyclic B-N species.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Reference of 4923-87-9, Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 4923-87-9, molcular formula is C8H5BrS, introducing its new discovery.

The G protein-coupled receptor 40 (GPR40)/free fatty acid receptor 1 (FFA1) has emerged as an attractive target for a novel insulin secretagogue with glucose dependency. We previously identified phenylpropanoic acid derivative 1 (3-{4-[(2?,6?-dimethylbiphenyl-3-yl)methoxy]-2-fluorophenyl} propanoic acid) as a potent and orally available GPR40/FFA1 agonist; however, 1 exhibited high clearance and low oral bioavailability, which was likely due to its susceptibility to beta-oxidation at the phenylpropanoic acid moiety. To identify long-acting compounds, we attempted to block the metabolically labile sites at the phenylpropanoic acid moiety by introducing a fused-ring structure. Various fused-ring alkanoic acids with potent GPR40/FFA1 activities and good PK profiles were produced. Further optimizations of the lipophilic portion and the acidic moiety led to the discovery of dihydrobenzofuran derivative 53 ((6-{[4?-(2-ethoxyethoxy)-2?,6?-dimethylbiphenyl-3-yl]methoxy} -2,3-dihydro-1-benzofuran-3-yl)acetic acid), which acted as a GPR40/FFA1 agonist with in vivo efficacy during an oral glucose tolerance test (OGTT) in rats with impaired glucose tolerance.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 4923-87-9 is helpful to your research. Reference of 4923-87-9

Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Chemistry, like all the natural sciences, begins with the direct observation of nature— in this case, of matter. COA of Formula: C8H5BrS, C8H5BrS. A document type is Article, introducing its new discovery., COA of Formula: C8H5BrS

Reaction conditions for the three-component synthesis of aryl 1,3-diketones are reported applying the palladium-catalyzed carbonylative alpha-arylation of ketones with aryl bromides. The optimal conditions were found by using a catalytic system derived from [Pd(dba)2] (dba=dibenzylideneacetone) as the palladium source and 1,3-bis(diphenylphosphino)propane (DPPP) as the bidentate ligand. These transformations were run in the two-chamber reactor, COware, applying only 1.5 equivalents of carbon monoxide generated from the CO-releasing compound, 9-methylfluorene-9-carbonyl chloride (COgen). The methodology proved adaptable to a wide variety of aryl and heteroaryl bromides leading to a diverse range of aryl 1,3-diketones. A mechanistic investigation of this transformation relying on 31P and 13C NMR spectroscopy was undertaken to determine the possible catalytic pathway. Our results revealed that the combination of [Pd(dba)2] and DPPP was only reactive towards 4-bromoanisole in the presence of the sodium enolate of propiophenone suggesting that a [Pd(dppp)(enolate)] anion was initially generated before the oxidative-addition step. Subsequent CO insertion into an [Pd(Ar)(dppp)(enolate)] species provided the 1,3-diketone. These results indicate that a catalytic cycle, different from the classical carbonylation mechanism proposed by Heck, is operating. To investigate the effect of the dba ligand, the Pd0 precursor, [Pd(eta3-1-PhC 3H4)(eta5-C5H5)], was examined. In the presence of DPPP, and in contrast to [Pd(dba)2], its oxidative addition with 4-bromoanisole occurred smoothly providing the [PdBr(Ar)(dppp)] complex. After treatment with CO, the acyl complex [Pd(CO)Br(Ar)(dppp)] was generated, however, its treatment with the sodium enolate led exclusively to the acylated enol in high yield. Nevertheless, the carbonylative alpha-arylation of 4-bromoanisole with either catalytic or stoichiometric [Pd(eta3-1-PhC3H4) (eta5-C5H5)] over a short reaction time, led to the 1,3-diketone product. Because none of the acylated enol was detected, this implied that a similar mechanistic pathway is operating as that observed for the same transformation with [Pd(dba)2] as the Pd source. CO-operation is the key! The first palladium-catalyzed carbonylative alpha-arylation of aryl bromides is described. A wide array of different aryl 1,3-diketones can be isolated in good-to-excellent yields using only stoichiometric amounts of CO (see scheme). A mechanistic study is presented that suggests the need for enolate coordination prior to oxidative addition when [Pd(dba)2] is employed as the precatalyst. Copyright

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Chemistry is traditionally divided into organic and inorganic chemistry. SDS of cas: 4923-87-9, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 4923-87-9

Provided is a bicyclic compound having an acetyl-CoA carboxylase inhibitory action. A compound represented by the formula: wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an acetyl-CoA carboxylase inhibitory action, is useful for the prophylaxis or treatment of cancer, inflammatory diseases and the like, and has superior efficacy.

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

4923-87-9, Name is 5-Bromobenzothiophene, belongs to benzothiophene compound, is a common compound. Computed Properties of C8H5BrSIn an article, once mentioned the new application about 4923-87-9.

The present invention provides compounds of Formula (I), or a pharmaceutically acceptable salt thereof, where R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds of the present invention have been found to be useful as 17alpha-hydroxylase/C17,20-lyase inhibitors

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Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Reference of 4923-87-9, 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 Patent, and a compound is mentioned, 4923-87-9, 5-Bromobenzothiophene, introducing its new discovery.

The present invention relates to novel dihydropyridine derivatives of formula (I): as modulators of nuclear receptors selected from androgen receptor and glucocorticoid receptor, to processes for their preparation, to pharmaceutical compositions comprising said compounds and to the use of said for manufacturing a medicament for the treatment of pathological conditions or diseases that can improve by modulation of androgen receptor and/or glucocorticoid receptor, selected from cancer, metastasizing cancers, benign prostate hyperplasia, polycystic ovary syndrome (PCOS), hair loss, hirsutism, acne, hypogonadism, muscle wasting diseases, cachexia, Cushing’s syndrome, anti-psychotic drug induced weight gain, obesity, post-traumatic stress disorder and alcoholism.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Reference of 4923-87-9. In my other articles, you can also check out more blogs about 4923-87-9

Reference：
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem