Category: 2213-63-0

Chemistry is traditionally divided into organic and inorganic chemistry. Application In Synthesis of 2,3-Dichloroquinoxaline, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 2213-63-0

Synthesis of 1-(3-phenylpropyl)-4-(pyridinylmethoxy)-[1,2,4]triazolo[4,3-a] quinoxalines

Starting from 2,3-dichloroquinoxaline, a synthetic strategy for the preparation of 1-(3-phenylpropyl)-4-(pyridinylmethoxy)[1,2,4]triazolo[4,3-a]quinoxalines is described.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1564 | ChemSpider

Application of 2213-63-0, 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. 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a Article，once mentioned of 2213-63-0

HETEROARYLATION OF ACETONITRILES. 3. HETREOARYLATION OF PYRIDIN-2-YL AND QUINOLIN-2-YLACETONITRILES BY CHLOROQUINOXALINES

It has been shown that alpha-chloroquinoxalines heteroarylate pyridin-2-yl and quinolin-2-ylacetonitriles primarily at the methylene group.A method has been developed for synthesizing 1-R-2-amino-3-heteroarylpyrrolo<2,3-b>quinoxalines permitting the preparation of compounds containing the pyridine and quinoline nuclei.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Application of 2213-63-0. In my other articles, you can also check out more blogs about 2213-63-0

Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1407 | ChemSpider

Application of 2213-63-0, 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.2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a article，once mentioned of 2213-63-0

Synthesis and evaluation of new sterol derivatives as potential antitumor agents

The current optimization of tetrazanbigen (TNBG) on the C-ring provided a series of new sterol derivatives 2a-2n. All new synthesized compounds were screened for their anti-proliferation activities against five human cancer cell lines (HepG2, QGY-7701, SMMC-7721, A-431 and NCI-H23 cell lines) in vitro. Among them, 2a, 2b, 2c, 2m and 2n exhibited high anti-proliferation activities on SMMC-7721, and their IC50 values approach that of the positive control drug cisplatin. Compound 2a not only showed strong anti-proliferation activities against QGY-7701 and HepG2 cell lines, with IC50 values (IC50: 6.81 ± 0.24 muM, 7.69 ± 0.87 muM) better than that of cisplatin (IC50: 8.75 muM, 18.89 ± 2.01 muM), but also exhibited good aqueous solubility (0.15-15 mg mL-1 at pH 7.4 and 2.0). On the most sensitive QGY-7701 cell line, Oil red O staining and western blot analysis were performed. The results suggested that 2a can inhibit the growth of cancer cells possibly by interfering with the lipid metabolism balance of tumor cells, resulting in lipid accumulation and cell apoptosis (lipotoxicity). Moreover, after being treated with 2a, lipid accumulation of QGY-7701 cell was increased in a time and dose dependent manner. Based on these promising results, 2a was selected for drug formulation and further pre-clinical development.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1293 | ChemSpider

Reference of 2213-63-0, 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.2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a article，once mentioned of 2213-63-0

Heterocyclic systems containing bridgehead nitrogen atom: Synthesis and evaluation of biological activity of imidazo[2,1-b]-1,3,4-thiadiazolo [2,3-c]-s-triazoles, s-Triazolo[3,4-b]-1,3,4-thiadiazolo[3,2-b]imidazo[4,5-b] quinoxaline and bis-(s-Triazolo[3,4-b]-1,3,4-thiadiazolo[3,2-b][imidazo[4,5-b]- cyclohexane]-5a,6a-diene)

Condensation of 4-amino-5-mercapto-3-(alpha-naphthyl)-s-triazole (1) with cyanogen bromide gives 6-amino-3-(alpha-naphthyl)-s-triazolo[3,4-b]-1,3,4- thiadiazole (2) which on condensation with chloranil yields 3,9-di-(alpha- naphthyl)-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-(alpha-naphthyl)- 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 a-haloketones followed by bromination affords 7-aryl-3-(alpha- naphthyl)-imidazo[2,1-b]-1,3,4-thiadiazolo[2,3-c]-s-triazoles (5) and their 6-bromo analogues 6 respectively. The structures of all newly synthesized compounds were established on the basis of elemental analyses, IR, 1H-NMR. The antibacterial and antifungal activities of all newly synthesized compounds have also been evaluated.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1418 | ChemSpider

In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Computed Properties of C8H4Cl2N2, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 2213-63-0, name is 2,3-Dichloroquinoxaline. In an article，Which mentioned a new discovery about 2213-63-0

Condensed bridgehead nitrogen heterocyclic system: Microwave assisted synthesis and bioactivity of s-triazolo[3,4-b][1,3,4]thiadiazoles, s-triazolo[3,4-b][1,3,4]thiadiazines and s-triazolo [3′,4′:2,3]thiadiazino[5,6- b]quinoxaline

N-[3-(4-Amino-5-mercapto-4H-[1,2,3]triazol-3-yl)-4,5,6,7-tetrahydro- benzo[b] thiophen-2-yl]benzamide (1) on condensation with chloroacetic acid, alpha-haloketone and benzoin furnishes [1,2,4]triazolo[3,4-b][1,3,4] thiadiazine derivatives (2), (3) and (4) respectively, while condensation with 2,3-dichloroquinoxaline, carbon disulphide, aromatic carboxylic acid and aromatic carboxaldehydes yield the cyclic products, [1,2,4] triazolo[3,4-b][1,3, 4]thiadiazole derivatives (5), (6), (7), (8) respectively. The compounds have been characterized on the basis of elemental analysis and spectral data. The antibacterial, antifungal and antitubercular activities of the compounds have also been evaluated.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1513 | ChemSpider

Synthetic Route of 2213-63-0, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a Article，once mentioned of 2213-63-0

[1,2,4]Triazolo[4,3-a]quinoxalin-4-amines: A new class of A1 receptor selective adenosine antagonists

Several [1,2,4]triazolo[4,3-a]quinoxalines that were reported as antidepressants in the patent literature were found to possess moderate affinity for the adenosine A1 and A2 receptors. On the basis of structural parallels with adenine and adenosine, the N-cyclopentyl derivative was synthesized and found to have improved affinity and selectivity for the A1 receptor. In the N-cyclopentyl series, affinity was optimal with trifluoromethyl substitution at the 1-position, resulting in a compound (9) with 7.3 nM A1 affinity and 138-fold selectivity for the A1 receptor.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1580 | ChemSpider

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, COA of Formula: C8H4Cl2N2, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2

2, 3-Bis(dialkylphosphino)pyrazine derivative, process of producing the same, and metal complex having the same as ligand

An optically active 2,3-bis(dialkylphosphino)pyrazine derivative represented by formula (1) is disclosed. The pyrazine derivative is preferably a quinoxaline derivative represented by formula (2). In formula (1) and (2), R1 is preferably a t-butyl or adamantyl group, and R2 is preferably a methyl group. wherein R1 is a substituted or unsubstituted, straight chain or branched alkyl group having 2 to 10 carbon atoms; R2 is a substituted or unsubstituted, straight chain or branched alkyl group having fewer carbon atoms than R1; and R3 and R4, which may be the same or different, are each a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, or R3 and R4 are taken together to form a saturated or unsaturated ring. wherein R1 and R2 are as defined above; and R5 is a monovalent substituent.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1167 | ChemSpider

Reference of 2213-63-0, 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, 2213-63-0, molcular formula is C8H4Cl2N2, introducing its new discovery.

Synthesis and properties of 2,3-heteroannulated thiochromones – hetero analogs of thioxanthone

[Figure not available: see fulltext.] This article provides generalized and systematic data on the synthesis and some properties of 2,3-heteroannulated thiochromones that can be viewed as hetero analogs of thioxanthone. The main emphasis is on various methods for the preparation of compounds that are arranged according to the starting material structures. Analysis of literature data shows that the most valuable and commonly used starting materials for obtaining hetero analogs of thioxanthone are substituted thiophenols, 2(3)-functionalized thiochromone derivatives, as well as 4-hydroxydithiocoumarins and (?-haloaroyl)thioacetamides. Azathioxanthones (thiochromenopyridines) are the most studied examples of 2,3-heterothiochromones. This review is concluded with some basic facts about 2,3-carboannulated thiochromones. A total of 99 references are given.

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 2213-63-0 is helpful to your research. Reference of 2213-63-0

Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1557 | ChemSpider

In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 2213-63-0, name is 2,3-Dichloroquinoxaline, introducing its new discovery. Recommanded Product: 2,3-Dichloroquinoxaline

Phosphatidylinositol 3-Kinase Inhibitors for the Treatment of Lymphoproliferative Malignancies

Methods are provided for treating a lymphoproliferative malignancy to a patient in need of such treatment, comprising administering to the patient an effective amount of compound A as described herein.

We’ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, the role of 2213-63-0, and how the biochemistry of the body works.Recommanded Product: 2,3-Dichloroquinoxaline

Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1160 | ChemSpider

Reference of 2213-63-0, 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.2213-63-0, Name is 2,3-Dichloroquinoxaline, molecular formula is C8H4Cl2N2. In a article，once mentioned of 2213-63-0

CONDENSED HETEROCYCLES WITH A THIAZOLE RING. 13. AZINOTHIAZOLOQUINOXALINIUM SALTS

The condensation of 2,3-dichloroquinoxaline with 2-mercaptopyridines and 2-mercaptoquinolines gave the corresponding derivatives of new heterocyclic systems, viz., azino<1',2':3,2>thiazolo<4,5-b>quinoxalinium salts, which can be used for the synthesis of cyanine dyes.

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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1486 | ChemSpider