Category: 55687-23-5

New Advances in Chemical Research, May 2021. Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction.Application of 55687-23-5, In a article, mentioned the application of 55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O

The title reactions give 1-hydroxy-4-methylquinoxaline-2,3-diones (4) together with a variety of mono- and bi-cyclic byproducts. All of these may result from a common intermediate, viz. a 1-hydroxy-4-methyl-3,4-dihydro-1H-2,1,4-benzoxadiazine-3-carboxylate ester (18).

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N438 | ChemSpider

Synthetic Route of 55687-23-5, New research progress on 55687-23-5 in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O. In a Article，once mentioned of 55687-23-5

An efficient electrochemical approach for the C(sp2)-H phosphonation of quinoxalin-2(1H)-ones and C(sp3)-H phosphonation of xanthenes has been developed. The chemistry was performed in an undivided cell under constant current conditions and features a wide range of substrates, up to 99% yield and it is free of transition-metal catalysts- A nd external oxidants, thereby providing a straightforward approach for dehydrogenative C-H/P-H cross-coupling. In addition, control experiments disclose that some of the reactions may involve a radical pathway.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N442 | ChemSpider

Application of 55687-23-5, New Advances in Chemical Research in 2021. 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.55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O. In a article，once mentioned of 55687-23-5

A novel visible-light-driven decarboxylative coupling of alkyl N-hydroxyphthalimide esters (NHP esters) with quinoxalin-2(1H)-ones has been developed. This C(sp2)?C(sp3) bond-forming transformation exhibits excellent substrate generality with respect to both the coupling partners. Of note, a series of 3-primary alkyl-substituted quinoxalin-2(1H)-ones that were difficult to synthesize by previous methods could be obtained in moderate to excellent yields. Additionally, the mild conditions, easy availability of substrates, wide functional group tolerance and operational simplicity make this protocol practical in the synthesis of 3-alkylated quinoxalin-2(1H)-ones.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N447 | ChemSpider

New Advances in Chemical Research, May 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry.Application In Synthesis of 6-Fluoroquinoxalin-2(1H)-one, In a article, mentioned the application of 55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O

Hepatitis C virus inhibitors having the general formula (I) are disclosed. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N431 | ChemSpider

New Advances in Chemical Research, May 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry.SDS of cas: 55687-23-5, In a article, mentioned the application of 55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O

It has already been reported that 3-(indol-2-yl)quinoxalin-2-ones 1)? have a potent inhibitory effect on the growth of tumor cells based on anti-angiogenesis activity. We have also carried out a structure-activity relationship (SAR) study of 3-(indol-2-yl)quinoxalin-2-ones, which showed a potent inhibitory activity toward the vascular endothelial growth factor (VEGF)-induced proliferation of human mesangial cells and the VEGF-induced auto-phosphorylation of human umbilical vein endothelial cells.2) Moreover, one of these compounds has a potent medicinal effect based on anti-angiogenic action, by oral administration2) (Chart 1, 9). However, since the existing synthetic methods1) for the preparation of 3-(indol-2-yl)quinoxalin-2-ones consist of multiple steps some of which require strict anhydrous conditions, a convenient and simple synthetic method in place of the existing method is desirable. As a result of the investigations into the synthetic procedures, 3-(3-substituted indol-2-yl)quinoxalin-2-ones can be easily prepared by the condensation of 3-substituted indoles with quinoxalin-2-ones in the presence of trifluoroacetic acid (TFA). Herein, we report the examination of these reaction conditions and the application of this new synthetic method to the synthesis of the derivatives as VEGF inhibitors.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N434 | ChemSpider

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. Related Products of 55687-23-5, In a article, mentioned the application of 55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O

A straightforward palladium-catalyzed oxidative C-3 arylation of quinoxalin-2(1H)-ones with arylboronic acids is reported. This protocol is compatible with a wide range of functional groups and allows construction of various biologically important quinoxalin-2(1H)-one backbones.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N436 | ChemSpider

Related Products of 55687-23-5, New Advances in Chemical Research in 2021. 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.55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O. In a article，once mentioned of 55687-23-5

An efficient protocol for the synthesis of 3-aminoquinoxalinones via the electrochemical dehydrogenative C-3 amination of quinoxalin-2(1H)-ones was developed. With aliphatic amines and azoles as the nitrogen sources, a series of 3-aminoquinoxalinones was obtained in up to 99% yield. This direct electrolytic method avoids the use of transition metals and external oxidants, and represents an appealing alternative for the synthesis of 3-aminoquinoxalinones. (Figure presented.).

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N443 | ChemSpider

New Advances in Chemical Research, May 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing theoretical assessments of solvent structures and their interactions with reaction intermediates. Related Products of 55687-23-5, We’ll be discussing some of the latest developments in chemical about CAS: 55687-23-5, name is 6-Fluoroquinoxalin-2(1H)-one. In an article，Which mentioned a new discovery about 55687-23-5

The relationship between chemical structure and gelation ability was examined for a series of nine Hg-containing compounds. Both solid-state properties (dissolution enthalpies/entropies and packing structure) and gel properties (strength, morphology, cation selectivity, and anion tolerance) were examined. Overall, the results reveal a complex relationship between chemical structure and properties. The remediation potential of these Hg-triggered gelations was also investigated, revealing that >98% of the Hg2+ in water can be removed through gel formation.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N437 | ChemSpider

Application of 55687-23-5, New research progress on 55687-23-5 in 2021. 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.55687-23-5, Name is 6-Fluoroquinoxalin-2(1H)-one, molecular formula is C8H5FN2O. In a article，once mentioned of 55687-23-5

Facile one pot synthesis of 6-substituted 2(1H)-quinoxalinones and these reaction mechanisms are described.The intramolecular cyclization reaction of 4′-substituted 2′-nitroacetoacetanilides in aqueous basic medium and the reduction of 6-substituted 2(1H)-quinoxalinone-4-oxide wit sodium borohydride or sodium hydrogensulfite were studied in detail

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Quinoxaline – Wikipedia,
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New Advances in Chemical Research, May 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing theoretical assessments of solvent structures and their interactions with reaction intermediates. Quality Control of 6-Fluoroquinoxalin-2(1H)-one, We’ll be discussing some of the latest developments in chemical about CAS: 55687-23-5, name is 6-Fluoroquinoxalin-2(1H)-one. In an article，Which mentioned a new discovery about 55687-23-5

Quinoxalinones and dihydroquinoxalinones having inhibitory activity on RSV replication and having the formula (I) including addition salts, and stereochemically isomeric forms thereof; compositions containing these compounds as active ingredient and processes for preparing these compounds and compositions.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N433 | ChemSpider