Category: 2213-63-0

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

4-Chlorotetrazolo[1,5-a]quinoxaline (III) was synthesized by azide (2+3) cycloaddition of 2,3-dichloroquinoxaline (II). Compound (III) on further refluxing with hydrazine hydrate furnished 4-hydrazinotetrazolo[1,5- a]quinoxaline (IV). Further refluxing of (IV) with different aromatic aldehydes in methanol yielded corresponding Schiff’s bases V(a-j). Various 4-aminotetrazolo[1,5-a]quinoxaline based azetidinones VII(a-j) were synthesized by stirring the compounds V(a-j), at low temperature, with equimolar mixture of chloroacetylchloride & triethylamine in dry benzene, while 4-aminotetrazolo[1,5-a]quinoxaline based thiazolidinones VIII(a-j) were synthesized by refluxing Schiff’s bases V(a-j) with thioglycolic acid in oil-bath. The structures of all the compounds were confirmed on the basis of 1H-NMR & FT-IR spectral data. All the newly synthesized compounds were screened for in-vitro antimicrobial activity against E. coli, S. aureus, K. pneumoniae & P. aeruginosa & antifungal activity against C. albicans. Few of them have exhibited the promising activity.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1419 | 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.Recommanded Product: 2213-63-0, In a article, mentioned the application of 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2

The synthesis of new heterocyclic -oxo-acetic acid esters with the novel and easily available acylanion equivalent 5 is described.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1592 | 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.Safety of 2,3-Dichloroquinoxaline, In a article, mentioned the application of 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2

Condensation of 2-chloro- and 2,3-dichloroquinoxalines with alk-1-ynes in the presence of bis(triphenylphosphine)palladium(II) dichloride and copper(I) iodide gives mono- and di-alkynylquinoxalines.Addition of amines to these products gives stable enamines; hydration gives 2′-oxoalkyl compounds which exist predominantly in the intramolecularly hydrogen-bonded enol form.Condensation of the alkynylquinoxalines with diethyl sodiomalonate, and related compounds, yields pyrido<1,2-a>quinoxalin-4-one derivatives. 2-Alkynyl-3-chloroquinoxalines are intermediates for convenient syntheses of pyrrolo<2,3-b>quinoxalines.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1251 | 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. Synthetic Route of 2213-63-0, We’ll be discussing some of the latest developments in chemical about CAS: 2213-63-0, name is 2,3-Dichloroquinoxaline. In an article，Which mentioned a new discovery about 2213-63-0

This review imparts a survey on the synthesis and reactions of ethylidenethiosemicarbazides as well as their biological activities during the period from 2005 to 2015. The synthetic utilities of ethylidenethiosemicarbazides, as building blocks, for the synthesis of various heterocyclic compounds such as azoles, azines, and fused ring systems, have been demonstrated.

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Quinoxaline – Wikipedia,
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2213-63-0, New research progress on 2213-63-0 in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a Review，once mentioned of 2213-63-0

Methods for the synthesis of mono-, tri-, penta-and heptamethine cyanine dyes containing functional groups in N-substituents are considered. Approaches suitable for the preparation of both symmetrical and unsymmetrical cyanine dyes are presented. Examples of the practical use of this type of cyanine dyes as fluorescent labels and probes in biology and medicine, as well as of components of photoactive supramolecular structures, photosensitizers and photo-and electroluminescent materials are given.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1329 | ChemSpider

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

Condensation of 4-amino-5-mercapto-3-(m-chlorophenyl)-s-triazole 1 with cyanogen bromide gives 6-amino-3-(m-chlorophenyl)-s-triazolo [3,4-6]-1,3,4-thiadiazole 2 which on condensation with chloranil yields 3,9-di-(m-chlorophenyl)-6,14-dioxo-bis-(s-triazolo [3,4-b]-1,3,4-thiadiazolo [3,2-b] [imidazo [4,5-b] cyclohexane]-5a, 6a-diene) 3. 3-(m-Chlorophenyl)-s- triazolo [3,4-b]-1,3,4-thiadiazolo [3,2-b] imidazo [4,5-b] quinoxaline 4 is obtained by a similar condensation of 2 with 2,3-dichloroquinoxaline. The reaction of 2 with alpha-haloketones followed by bromination affords 7-aryl-3-(mchlorophenyl)-imidazo [2,1-b]-1,3,4-thiadiazolo [2,3-c]-s-triazoles 5 and their 6-bromo analogues 6 respectively. The antibacterial and antifungal activities of some of the compounds have also been evaluated.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1463 | 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. Safety of 2,3-Dichloroquinoxaline, In a article, mentioned the application of 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2

5,6-Dichloropyrazine-2,3-dicarbonitrile (1), 2,3-dichloroquinoxaline (2), and pyrazine-2,3-dicarbonitrile (3) were photolyzed in acetonitrile in the presence of N-acyl-N-trimethylsilylmethylanilines (4 or 5).The photolysis is proposed to give an N-acylanilinomethyl radical by an electron transfer followed by the rupture of a trimethylsilyl cation.The anilinomethyl radical thus formed couples with the radical anion from the diazines to give the substitution products (6-9 and 11-14) of 1-3.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1364 | ChemSpider

New Advances in Chemical Research, May 2021. In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Application of 2213-63-0, We’ll be discussing some of the latest developments in chemical about CAS: 2213-63-0, name is 2,3-Dichloroquinoxaline. In an article，Which mentioned a new discovery about 2213-63-0

[From equivalent EP1661889A1] The present invention relates to a compound represented by formula (I), a salt thereof, an N-oxide thereof, a solvate thereof or a prodrug thereof, and medical use thereof (the symbols in the formula are as described in the specification). The compound represented by formula (I) has chemokine receptor (especially in CCR4 and/or CCR5) antagonistic activity. Therefore it is useful for prevention and/or treatment of a chemokine receptor-mediated disease such as inflammatory and/or allergic diseases [systemic inflammatory response syndrome (SIRS), anaphylaxis, anaphylactoid reaction, allergic angiitis, transplant rejection reaction, hepatitis, nephritis, nephropathy, pancreatitis, rhinitis, arthritis, inflammatory ocular disease, inflammatory bowel disease, disease in cerebro and/or circulatory system, respiratory disease, dermatosis, autoimmune disease, and the like], infection [viral disease (human immunodeficiency virus infection, acquired immunodeficiency syndrome, SARS, etc.), and the like], and the like.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1190 | ChemSpider

New Advances in Chemical Research, May 2021. The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. COA of Formula: C8H4Cl2N2, We’ll be discussing some of the latest developments in chemical about CAS: 2213-63-0, name is 2,3-Dichloroquinoxaline. In an article，Which mentioned a new discovery about 2213-63-0

The synthesis of some new 3-(alkylthio)-1-phenyl-1H-[1,3,4]thiadiazino[5,6- b]quinoxalines 4 have been achieved by cyclocondensation reaction of the alkyl-2-phenylhydrazinecarbodithioates 1 with 2,3-dichloroquinoxaline 2 in basic N,N-dimethylformamide. Copyright Taylor & Francis Inc.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1263 | ChemSpider

Electric Literature 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

Unsaturated nitrogen heterocyclic compounds of formula (I): (I), as defined in the specification, compositions containing them, and processes for preparing such compounds. Provided herein also are methods of treating disorders or diseases treatable by inhibition of PDE10, such as obesity, Huntington’s Disease, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1131 | ChemSpider