Category: 82-76-8

In an article, author is Dore, Antonio, once mentioned the application of 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, molecular formula is C16H13NO3S, molecular weight is 299.3443, MDL number is MFCD00003998, category is naphthyridines. Now introduce a scientific discovery about this category, Safety of 8-(Phenylamino)naphthalene-1-sulfonic acid.

Synthesis, molecular modeling and SAR. study of novel pyrazolo[5,1-f] [1,6]naphthyridines as CB2 receptor antagonists/inverse agonists

Pyrazolo[5,1-f][1,6]naphthyridine-carboxamide derivatives were synthesized and evaluated for the affinity at CB1 and CB2 receptors. Based on the AgOTf and proline-cocatalyzed multicomponent methodology, the ethyl 5-(p-tolyl)pyrazolo[5,1-f][1,6]naphthyridine-2-carboxylate (12) and ethyl 5-(2,4-dichlorophenyl)pyrazolo[5,1-f][1,6]naphthyridine-2-carboxylate (13) intermediates were synthesized from the appropriate o-alkynylaldehydes, p-toluenesulfonyl hydrazide and ethyl pyruvate. Most of the novel compounds feature a p-tolyl (8a-i) or a 2,4-dichlorophenyl (8j) motif at the C-5-position of the tricyclic pyrazolo[5,1-f][1,6]naphthyridine scaffold. Structural variation on the carboxamide moiety at the C-2-position includes basic monocyclic, terpenoid and adamantine-based amines. Among these derivatives, compound 8h (N-adamant-1-yl-5-(p-tolyl)pyrazolo[5,1-f][1,6]naphthyridine-2-carboxamide) exhibited the highest CB2 receptor affinity (K-i= 33 nM) and a high degree of selectivity (KiCB1/KiCB2= 173:1), whereas a similar trend in the near nM range was seen for the bornyl analogue (compound 8f, K-i; = 53 nM) and the myrtanyl derivative 8j (K-i = 67 nM). Effects of 8h, 8f and 8j on forskolin-stimulated cAMP levels were determined, showing antagonist/inverse agonist properties for such compounds. Docking studies conducted for these derivatives and the reference antagonist/inverse agonist compound 4 (SR144528) disclosed the specific pattern of interactions probably related to the pyrazolo[5,1-f][1,6]naphthyridine scaffold as CB2 inverse agonists. (C) 2016 Published by Elsevier Ltd.

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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, SMILES is O=S(C1=C2C(NC3=CC=CC=C3)=CC=CC2=CC=C1)(O)=O, in an article , author is Siddiqui, Mohammad N., once mentioned of 82-76-8, Recommanded Product: 8-(Phenylamino)naphthalene-1-sulfonic acid.

Synthesis and characterization of functionalized polythiophene for polymer-sensitized solar cell

The synthesis of Poly[1,5-naphthyridine-(3-hexylthiophene)] (1) semi-conducting polymer has been accomplished by adopting both conventional and microwave-assisted Suzuki-Miyaura cross-coupling reaction between 3-hexylthiophene-2,5-diboronic ester and 2,6-dibromo-1,5-naphthyridine. The synthesized copolymer was characterized by modern spectroscopic techniques including percent reflectance (%R), gel permeation chromatography (GPC), cyclic voltammetry (CV), Raman spectroscopy, thermogravimetric analysis (TGA), FTIR and NMR. The morphology of copolymer was examined via FESEM. Optical bandgap was calculated from the absorption edge of %R and found 2.26 eV. The electrochemical and transport properties of 1 were investigated both in the bulk as well as in thin film form. Cyclic voltammetry (CV) results of 1 as a bulk form in H2SO4 solution indicated that the concentration of the polymer in the solution is not well defined because of polymer poor solubility in aqueous solutions. On the other hand, the sulfur group which works as electron donating makes the system more electron-rich. This can be explained by the absence of the reduction peak. For the thin film, two single oxidation peaks were obtained at around 0 V and 0.3 V for both cases. Different solvents can tune the transport properties of the polymer as can be seen from the two CVs where BF3 exhibited enhanced transport properties over ACN. This polymer was also employed in dye-sensitized solar cells as a photosensitizer. The solar cell under AM 1.5 G illumination at 100 mW/cm(2) shows power conversion efficiency of 0.67% with an open circuit voltage of 621 mV, a short circuit current of 2.0 mA/cm(2), and a fill factor of 55%. (C) 2017 Elsevier Ltd. All rights reserved.

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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Related Products of 82-76-8, 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. 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, SMILES is O=S(C1=C2C(NC3=CC=CC=C3)=CC=CC2=CC=C1)(O)=O, belongs to naphthyridines compound. In a article, author is Fun, Hoong-Kun, introduce new discover of the category.

2,7-Bis(trichloromethyl)-1,8-naphthyridine

The complete molecule of the title compound, C10H4Cl6N2, is generated by crystallographic twofold symmetry, with two C atoms lying on the rotation axis; the 1,8-naphthyridine ring is almost planar with an r.m.s. deviation of 0.0002 angstrom. In the crystal structure, the molecules are stacked in an antiparallel manner along [001]. Short Cl center dot center dot center dot Cl [3.3502 (4)] and Cl center dot center dot center dot N [3.2004 (11)-3.2220 (10) angstrom] contacts are observed in the crystal structure.

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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Chemistry, like all the natural sciences, begins with the direct observation of nature¡ª in this case, of matter.82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, SMILES is O=S(C1=C2C(NC3=CC=CC=C3)=CC=CC2=CC=C1)(O)=O, belongs to naphthyridines compound. In a document, author is Oyama, Dai, introduce the new discover, HPLC of Formula: C16H13NO3S.

Stereospecific synthesis and redox properties of ruthenium(II) carbonyl complexes bearing a redox-active 1,8-naphthyridine unit

Two stereoisomers of cis-[Ru(bpy)(pynp)(CO)Cl]PF(6) (bpy = 2,2′-bipyridine, pynp 2-(2-pyridyl)-1,8-naphthyridine) were selectively prepared. The pyridyl rings of the pynp ligand in [Ru(bpy)(pynp)(CO) Cl](+) are situated trans and cis, respectively, to the CO ligand. The corresponding CH(3)CN complex ([Ru(bpy)(pynp)(CO) (CH(3)CN)](2+)) was also prepared by replacement reactions of the chlorido ligand in CH(3)CN. Using these complexes, ligand-centered redox behavior was studied by electrochemical and spectroelectrochemical techniques. The molecular structures of pynp-containing complexes (two stereoisomers of [Ru(bpy)(pynp) (CO)Cl]PF(6) and [Ru(pynp)(2)(CO)Cl]PF(6)) were determined by X-ray structure analyses. (C) 2010 Elsevier B.V. All rights reserved.

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 82-76-8 is helpful to your research. HPLC of Formula: C16H13NO3S.

Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, molecular formula is C16H13NO3S, belongs to naphthyridines compound. In a document, author is Awasaguchi, Ken-ichiro, introduce the new discover, Product Details of 82-76-8.

Synthetic Protocols Mutually Applicable to 4-Oxoquinolines and 4-Oxo-1,8-naphthyridines: Synthesis of 1-Aryl-2-substituted and 1-Aryl-3-fluoro-4-oxoquinolines and 4-Oxo-1,8-naphthyridines

We have achieved the synthesis of 1-aryl-2-substituted 4-oxoquinoline and 4-oxo-1,8-naphthyridine derivatives, which cannot be synthesized by known methods, via two useful synthons, 2-formyl-4-oxoquinoline and 2-methylsulfonyl-4-oxo-1,8-naphthyridine. We also succeeded in the synthesis of 1-aryl-3-fluoro-4-oxoquinoline by fluorocyclization of N-arylenaminone with Selectfluor (R) and potassium carbonate in DMF in a one-pot procedure. To the best of our knowledge, this is the first synthesis of 3-fluoro-4-oxoquinoline derivatives. We confirmed that these protocols were mutually applicable to the synthesis of 4-oxoquinoline and 4-oxo-1,8-naphthyridine derivatives.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 82-76-8. Product Details of 82-76-8.

Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Chemistry, like all the natural sciences, begins with the direct observation of nature¡ª in this case, of matter.82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, SMILES is O=S(C1=C2C(NC3=CC=CC=C3)=CC=CC2=CC=C1)(O)=O, belongs to naphthyridines compound. In a document, author is Kounalis, Errikos, introduce the new discover, Application In Synthesis of 8-(Phenylamino)naphthalene-1-sulfonic acid.

Cooperative H-2 Activation on Dicopper(I) Facilitated by Reversible Dearomatization of an Expanded PNNP Pincer Ligand

A naphthyridine-derived expanded pincer ligand is described that can host two copper(I) centers. The proton-responsive ligand can undergo reversible partial and full dearomatization of the naphthyridine core, which enables cooperative activation of H-2 giving an unusual butterfly-shaped Cu4H2 complex.

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 82-76-8 is helpful to your research. Application In Synthesis of 8-(Phenylamino)naphthalene-1-sulfonic acid.

Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Application of 82-76-8, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, SMILES is O=S(C1=C2C(NC3=CC=CC=C3)=CC=CC2=CC=C1)(O)=O, belongs to naphthyridines compound. In a article, author is Xue, Jia, introduce new discover of the category.

A novel ratiometric fluorescent probe based on coumarin derivative for the recognition of Al(III) and its application on test strips

A novel ratiometric probe (L) which was composed of chromone and coumarin moieties has been designed and synthesized for sensing Al3+ in EtOH in view of the internal charge transfer (ICT) mechanism. The free probe L exhibited a strong fluorescence emission at 477 nm, and the fluorescence emission here almost disappeared after adding Al3+ (10 equiv.) while a new peak appeared at 524 nm. This may be due to the enhancement of intramolecular electron transfer efficiency from donor to acceptor. In addition, this probe L could be form a 1:1 complex with Al3+, which could be explained by the ESI-MS spectra, and L had a low detection limit for Al3+ with a binding constant of 1.32 x 10(4) M-1 More importantly, L could be applied to a solid probe for rapid detection of Al3+ with a significant color change. (C) 2019 Elsevier Ltd. All rights reserved.

Application of 82-76-8, Consequently, the presence of a catalyst will permit a system to reach equilibrium more quickly, but it has no effect on the position of the equilibrium as reflected in the value of its equilibrium constant.I hope my blog about 82-76-8 is helpful to your research.

Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, molecular formula is C16H13NO3S, belongs to naphthyridines compound, is a common compound. In a patnet, author is Zhao, Shixian, once mentioned the new application about 82-76-8, Name: 8-(Phenylamino)naphthalene-1-sulfonic acid.

Organometallic chemistry of bis(N-heterocyclic carbene) ligands containing a heteroarene spacer

Heteroarene-linked bis(N-heterocyclic carbenes) constitute an important family of ligands in transition metal chemistry and homogeneous catalysis. These ligands are used as multidentate ligands for the construction of mononuclear and multinuclear complexes that show unique physical properties and that are efficient catalysts for many organic transformations. A number of transition metal complexes of heteroarene-linked bis(N-heterocyclic carbene) ligands have been synthesized and structurally characterized in recent decades. In this review, we summarize the recent developments in metal complexes supported by heteroarene-linked bis(N-heterocyclic carbene) ligands and their applications. The ligands and their complexes are categorized by the linkers between the two NHCs, such as pyridine, bipyridine, phenanthroline, naphthyridine, pyrazole, thiophene, and pyridazine. (C) 2017 Elsevier B.V. All rights reserved.

We¡¯ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, 82-76-8. The above is the message from the blog manager. Name: 8-(Phenylamino)naphthalene-1-sulfonic acid.

Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

Application of 82-76-8, 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. 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, SMILES is O=S(C1=C2C(NC3=CC=CC=C3)=CC=CC2=CC=C1)(O)=O, belongs to naphthyridines compound. In a article, author is Shi, Yong Gang, introduce new discover of the category.

1,8-Naphthyridine Modified Naphthalimide Derivative: Ratiometric and Selective Sensor for Hg2+ in Organic Aqueous Solution

A bottom-modified (4-position) naphthalimide derivative 1 with 1,8-naphthyridine as binding site has been designed and synthesized. Compound 1 is the first 1,8-naphthyridine-modified naphthalimide-based sensor that can detect Hg2+ selectively with respect to ratiometric fluorescent change and blue shift in organic aqueous solution. The Job’s plot and FAB mass indicate that 1 formed a 1:1 complex with Hg2+. A top-modified naphthalimide derivative 2 with 1,8-naphthyridin as binding site has also been synthesized for comparison.

Application of 82-76-8, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about 82-76-8 is helpful to your research.

Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 82-76-8, Name is 8-(Phenylamino)naphthalene-1-sulfonic acid, SMILES is O=S(C1=C2C(NC3=CC=CC=C3)=CC=CC2=CC=C1)(O)=O, in an article , author is Guleli, Muge, once mentioned of 82-76-8, Recommanded Product: 82-76-8.

A three-component, one-pot synthesis of 1,8-naphthyridine and isoxazole derivatives and computational elucidation of the mechanism

An efficient and general method for the synthesis of substituted 3,4-dimethylisoxazolo[5,4-b]pyridine-5-carboxamide and benzo[b][1,8]naphthyridine-3-carboxamide derivatives by using 2,2,6-trimethyl-4H-1,3-dioxin-4-one, benzyl amine, aromatic aldehydes, 2-aminoquinoline, or 5-amino-3-methylisoxazole in the presence of a catalytic amount of p-toluenesulfonic acid or iodine is described. The formation of the products was investigated and the results obtained were also supported by theoretical calculations.

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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem