Tag: M.W:100-200

Related Products of 1448-87-9, New Advances in Chemical Research in 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 1448-87-9, Name is 2-Chloroquinoxaline, molecular formula is C8H5ClN2. In a article，once mentioned of 1448-87-9

Cyclic voltammetry and controlled-potential electrolysis have been employed to examine the electrochemical behavior of some mono- and dichlorinated pyrazines, quinoxalines, and pyridazines at carbon and mercury cathodes in either acetonitrile or dimethylformamide containing a tetraalkylammonium salt. Unsubstituted pyrazine and pyridazine each exhibit a single reduction wave, whereas unsubstituted quinoxaline shows three cathodic waves. For the chlorinated compounds, an additional wave is seen for the reduction of each carbon-chlorine bond. Depending on the potential of the cathode, bulk electrolyses of dichlorinated pyrazines or quinoxalines afford either the monochlorinated or fully dechlorinated product, whereas the monochlorinated analogues undergo reduction to the dechlorinated species. Electrolyses of chlorinated pyridazines give dark colored solutions, but the products (apparently polymeric) cannot be detected or identified by means of conventional GC, GC-MS, and HPLC techniques.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N640 | ChemSpider

Quality Control of 2-Chloroquinoxaline, New research progress on 1448-87-9 in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. 1448-87-9, Name is 2-Chloroquinoxaline, molecular formula is C8H5ClN2. In a Article，once mentioned of 1448-87-9

Pyrrolo[2,1-f][1,2,4]triazine based inhibitors of p38alpha have been prepared exploring functional group modifications at the C6 position. Incorporation of aryl and heteroaryl ketones at this position led to potent inhibitors with efficacy in in vivo models of acute and chronic inflammation.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N577 | ChemSpider

New Advances in Chemical Research, May 2021. In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Recommanded Product: 1448-87-9, We’ll be discussing some of the latest developments in chemical about CAS: 1448-87-9, name is 2-Chloroquinoxaline. In an article，Which mentioned a new discovery about 1448-87-9

Described in this work is a catalyst-free, in most cases neat, preparation of heterocyclic thienyl sulfides. This method utilizes 2-thiophenethiol and various activated halogenated heterocycles in a substitution-type reaction to form an interesting array of sulfides. Yields obtained are comparable to other published methods, and the reaction requires milder conditions, has shorter reaction times, and most times eliminates the need for column chromatography during workup.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N522 | ChemSpider

Related Products of 18514-76-6, 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.18514-76-6, Name is 5-Nitroquinoxaline, molecular formula is C8H5N3O2. In a article，once mentioned of 18514-76-6

One-pot, four-step syntheses of indoles using both solid-supported heterogeneous and homogeneous palladium catalysts and reagents were carried out. Such a combination of these two-phase catalysts and reagents causes a dramatic increase in yield, and it is a simple process. The presented methodology is effective for four-step reactions to provide various functionalized indoles.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N902 | ChemSpider

New Advances in Chemical Research, May 2021. In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. 2213-63-0, In a article, mentioned the application of 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2

The invention relates to a compound and an organic electroluminescent device, containing the compound, and is characterized by: having a structural formula (1) as shown in a formula : One of the, dotted lines represents a benzene ring, on which the other side of the benzene ring is fused, to the other benzene ring via Z and Z ?, and, Z is connected to two adjacent carbon Z ? ;R on the benzene ring. 1 -R5 Each independently selected from aryl or heteroaryl groups H, of alkyl, C1-C10-cyano, C3-C20 and adjacent R1 -R5 A ring ;L, which may be connected between the bond, C6-C30 and the arylene group or C3-C30-heteroarylene ;X, may be selected from O, S, CR ? R” or NR” ? ;Y. 1 -Y4 Each independently selected from C, CH or N, wherein Y1 -Y4 A case of C is R. 3 Of CH and H;Z in Z ? and only one is a single bond, and the other selected from CR ? R”, NR” ?, S or O;R ?, R” and R” ? are independently selected from H, C1-C10 alkyl, C3-C20 aryl or heteroaryl and R ? and R” may be linked to integers ;m,n,r,q of ring 0-4 of, p and integer 0-2 of. (by machine translation)

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1139 | ChemSpider

Synthetic Route of 2213-63-0, New research progress on 2213-63-0 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.2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a article，once mentioned of 2213-63-0

The invention features quinoxalinones, pharmaceutical compositions containing them and methods of using them to treat, for example, diabetes.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1135 | ChemSpider

Application of 2213-63-0, New Advances in Chemical Research in 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a article，once mentioned of 2213-63-0

We have developed a method for synthesis of N-(3-chloro-2-quinoxalyl)sulfonamides by reaction of 2,3-dichloroquinoxaline with substituted arylsulfonamides.Based on the IR spectra, we have established that in the solid state, the synthesized compounds exist in the form of amide tautomers.Alkylation of these compounds leads to N-methyl-N-(3-chloro-2-quinoxalyl)arylsulfonamides.We demonstrate the possibility of nucleophilic substitution of the halogen upon treatment with O- and N-nucleophiles.The use of bifunctional nucleophiles leads to condensed quinoxalines.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1431 | 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 of 59564-59-9, In a article, mentioned the application of 59564-59-9, Name is 3,4-Dihydroquinoxalin-2(1H)-one, molecular formula is C8H8N2O

The methyl ester (III) of quinoxaline-1-acetic acid (I) has been converted into the corresponding diketo compound (VI) by aerial oxidation in acetone.Decarboxylation and alkaline KMnO4 oxidation of I have also been studied.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N155 | ChemSpider

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.Reference of 130345-50-5, In a article, mentioned the application of 130345-50-5, Name is Quinoxaline-6-carbaldehyde, molecular formula is C9H6N2O

A series of 1-substituted-3(5)-(6-methylpyridin-2-yl)-4-(quinoxalin-6-yl) pyrazoles 14a-d, 15a-d, 17a, 17b, 18a-d, 19a, and 19b has been synthesized and evaluated for their ALK5 inhibitory activity in an enzyme assay and in a cell-based luciferase reporter assay. The 2-[3-(6-methylpyridin-2-yl)-4- (quinoxalin-6-yl)-1H-pyrazol-1-yl]-N-phenylethanethioamide (18a) inhibited ALK5 phosphorylation with an IC50 value of 0.013 muM and showed 80% inhibition at 0.1 muM in a luciferase reporter assay using HaCaT cells permanently transfected with p3TP-luc reporter construct.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N224 | ChemSpider

Related Products of 6298-37-9, New research progress on 6298-37-9 in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. 6298-37-9, Name is Quinoxalin-6-amine, molecular formula is C8H7N3. In a Article，once mentioned of 6298-37-9

A method for the Pd-catalyzed arylation of ammonia with a wide range of aryl and heteroaryl halides, including challenging five-membered heterocyclic substrates, is described. Excellent selectivity for monoarylation of ammonia to primary arylamines was achieved under mild conditions or at rt by the use of bulky biarylphosphine ligands (L6, L7, and L4) as well as their corresponding aminobiphenyl palladacycle precatalysts (3a, 3b, and 3c). As this process requires neither the use of a glovebox nor high pressures of ammonia, it should be widely applicable.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N77 | ChemSpider