Day: September 20, 2022

Pyridine is diamagnetic and has a diamagnetic susceptibility of −48.7 × 10−6 cm3·mol−1.The molecular electric dipole moment is 2.2 debyes. 5315-25-3, formula is C6H6BrN, Name is 2-Bromo-6-methylpyridine. TThe standard enthalpy of formation is 100.2 kJ·mol−1 in the liquid phase and 140.4 kJ·mol−1 in the gas phase. Application In Synthesis of 5315-25-3.

Duan, Zhe;Liu, Jingqiu;Niu, Liping;Wang, Jun;Feng, Mingqian;Chen, Hua;Luo, Cheng research published 《 Discovery of DC_H31 as potential mutant IDH1 inhibitor through NADPH-based high throughput screening》, the research content is summarized as follows. IDH1 mutations are early events in the development of IDH-mutant gliomas and leukemias and are associated with various regulation of mol. process. Mutations of active site in IDH1 could lead to high levels of 2-HG and the suppression of cellular differentiation, while these changes can be reversed by mol. inhibitors target mutant IDH1. Here, through inhouse developed enzymic assay-based high throughput screening platform, we discovered DC_H31 as a novel IDH1-R132H/C inhibitor, with the IC₅₀ value of 0.41 μmol/L and 2.7 μmol/L resp. In addition, saturable SPR binding assay indicated that DC_H31 bound to IDH1-R132H/C due to specific interaction. Further computational docking studies and structure-activity relationship (SAR) suggest that DC_H31 could occupy the allosteric pocket between the two monomers of IDH1-R132H homodimer, which accounts for its inhibitory ability. And it is possible to conclude that DC_H31 acts via an allosteric mechanism of inhibition. At the cellular level, DC_H31 could inhibit cell proliferation, promote cell differentiation and reduce the production of 2-HG with a dose-dependent manner in HT1080 cells. Taken together, DC_H31 is a potent selective inhibitor of IDH1-R132H/C both in vitro and in vivo, which can promote the development of more potent pan-inhibitors against IDH1-R132H/C through further structural decoration and provide a new insight for the pharmacol. treatment of gliomas.

Application In Synthesis of 5315-25-3, 2-Bromo-6-methylpyridine (2BMPy) is a bromopyridine derivative. It is formed when 2-chloro-6-methylpyridine is heated with bromotrimethylsilane. Its synthesis from various methods have been reported.
2-Bromo-6-methylpyridine is a building block in the preparation of nitrogen containing heterocyclic compounds.
2-Bromo-6-methylpyridine is an organic compound that belongs to the group of pyridinium halides. It is soluble in common solvents such as water, ethanol, and acetone. 2BMPy has been shown to act as a glutamate receptor antagonist and has been used in the study of glutamate receptors, including their subtypes. This chemical has also been shown to have antioxidant properties and can be used in the prevention of atherosclerosis., 5315-25-3.

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom. 1603-41-4, formula is C6H8N2, Name is 2-Amino-5-methylpyridine. It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell. Safety of 2-Amino-5-methylpyridine.

Duan, Xin-E.;Zhang, Xiao-Xia;Liu, Tian;Bai, Sheng-Di;Tong, Hongbo;Chao, Jian-Bin;Sun, Wen-Hua research published 《 Structural diversity in substituted aminosilyl-aminopyridinate metal (Zr or Fe) complexes: Synthesis, structures, and ethylene polymerization》, the research content is summarized as follows. Seven examples of chlorozirconium N-[(N,N-dimethylamino)dimethylsilyl]-2-pyridylaminates, mononuclear monoligand Zr[(RC₅H₄N)NSiMe₂NMe₂]Cl₃LiCl(Et₂O)₂ (R = 4-Me, Zr1; R = 5-Me, Zr2; R = 5-Cl, Zr3), chloro-bridged dinuclear diligand [Zr{(RC₅H₄N)NSiMe₂NMe₂}Cl₃]₂ (R = 5-Cl, Zr4; R = 4-Cl, Zr5), and mononuclear triligand Zr[(RC₅H₄N)NSiMe₂NMe₂]₃Cl (R = 6-Me, Zr6; R = H, Zr7), were prepared by the individual reactions of zirconium tetrachloride with the corresponding lithium N-[(N,N-dimethylamino)dimethylsilyl]-2-pyridylaminates of (RC₅H₄N)NHSiMe₂NMe₂ (R = 4-Me, 1a; 5-Me, 1b; 5-Cl, 1c; 4-Cl, 1d; 6-Me, 1e; H, 1f), resp. Besides seven coordination around zirconium core, Zr1-Zr5 adopt a distorted pentagonal bipyramid geometry with the ligand acting as a monoanionic η²:η¹-tridentate fashion; Zr6-Zr7 present capped trigonal prism geometry with the ligand as η²-coordination with a pendant N (CH₃)₂ free. Extensively, the reactions of FeCl₂ with lithiated (RC₅H₄N)NHSiMe₂NMe₂ (R = 4-Me, 1a; 5-Cl, 1c; 6-Me, 1e) afford the corresponding dimeric complexes (R = 4-Me, Fe1; 5-Cl, Fe2; 6-Me, Fe3), in which Fe1 and Fe2 exhibit C₂ symmetry with each iron unit as a distorted trigonal bipyramidal geometry, while Fe3 specially possesses a centrosym. hour-glass-shaped core with each iron center as a distorted tetrahedral geometry. Upon activation with methylaluminoxane (MAO), zirconium complexes exhibit moderate to good activities toward ethylene polymerization and produce the polyethylenes with high mol. weight and broad dispersity.

1603-41-4, 2-Amino-5-methylpyridine, also known as 2-Amino-5-methylpyridine, is a useful research compound. Its molecular formula is C6H8N2 and its molecular weight is 108.14 g/mol. The purity is usually 95%.
2-Amino-5-methylpyridine is a chemical compound that belongs to the group of methyl ketones. It has a nitrogen atom and an oxygen atom in its structure, which allows it to form hydrogen bonds with other molecules. 2-Amino-5-methylpyridine can be obtained by reacting hydrochloric acid and xanthone in the presence of a base. The compound is highly reactive and has been shown to have antiinflammatory properties. This can be attributed to its ability to inhibit prostaglandin synthesis. 2-Amino-5-methylpyridine also has fluorescence properties that are sensitive to pH changes and can be used as a probe for metal ions. 2-Amino-5-methylpyridine is an organic compound that contains a methyl group, two nitrogen atoms, and one oxygen atom in its chemical structure. This molecule can form hydrogen bonds with other molecules due to its nitrogen atoms and oxygen atom,, Safety of 2-Amino-5-methylpyridine

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

At 25 °C pyridine has a viscosity of 0.88 mPa/s and thermal conductivity of 0.166 W·m−1·K−1. 5315-25-3, formula is C6H6BrN, Name is 2-Bromo-6-methylpyridine. The enthalpy of vaporization is 35.09 kJ·mol−1 at the boiling point and normal pressure.The enthalpy of fusion is 8.28 kJ·mol−1 at the melting point. SDS of cas: 5315-25-3.

Duan, Jindian;Choy, Pui Ying;Gan, Kin Boon;Kwong, Fuk Yee research published 《 N-Difluoromethylation of N-pyridyl-substituted anilines with ethyl bromodifluoroacetate》, the research content is summarized as follows. A general protocol for N-difluoromethylation of aniline derivatives was developed. Com. available Et bromodifluoroacetate served as a difluorocarbene source in the presence of a base. This carbene surrogate was attractive owing to its favorable stability, environmental friendliness and inexpensiveness. This reaction system featured notable operational simplicity (bench top-grade solvents can be used without any pre-drying and do not require inert atm. protection). A wide range of functional groups in aniline derivatives were well-tolerated and good-to-excellent product yields were generally obtained.

5315-25-3, 2-Bromo-6-methylpyridine (2BMPy) is a bromopyridine derivative. It is formed when 2-chloro-6-methylpyridine is heated with bromotrimethylsilane. Its synthesis from various methods have been reported.
2-Bromo-6-methylpyridine is a building block in the preparation of nitrogen containing heterocyclic compounds.
2-Bromo-6-methylpyridine is an organic compound that belongs to the group of pyridinium halides. It is soluble in common solvents such as water, ethanol, and acetone. 2BMPy has been shown to act as a glutamate receptor antagonist and has been used in the study of glutamate receptors, including their subtypes. This chemical has also been shown to have antioxidant properties and can be used in the prevention of atherosclerosis., SDS of cas: 5315-25-3

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Pyridine is diamagnetic and has a diamagnetic susceptibility of −48.7 × 10−6 cm3·mol−1.The molecular electric dipole moment is 2.2 debyes. 31181-90-5, formula is C6H4BrNO, Name is 5-Bromopicolinaldehyde. TThe standard enthalpy of formation is 100.2 kJ·mol−1 in the liquid phase and 140.4 kJ·mol−1 in the gas phase. HPLC of Formula: 31181-90-5.

Du, Tian;Wang, Biwen;Wang, Chao;Xiao, Jianliang;Tang, Weijun research published 《 Cobalt-catalyzed asymmetric hydrogenation of ketones: A remarkable additive effect on enantioselectivity》, the research content is summarized as follows. A chiral cobalt pincer complex, when combined with an achiral electron-rich mono-phosphine ligand, catalyzes efficient asym. hydrogenation of a wide range of aryl ketones, affording chiral alcs. with high yields and moderate to excellent enantioselectivities (29 examples, up to 93% ee). Notably, the achiral mono-phosphine ligand showed a remarkable effect on the enantioselectivity of the reaction.

HPLC of Formula: 31181-90-5, 5-Bromopyridine-2-carbaldehyde is a useful research compound. Its molecular formula is C6H4BrNO and its molecular weight is 186.01 g/mol. The purity is usually 95%.

5-Bromopyridine-2-carbaldehyde is a water soluble organic molecule that has been shown to inhibit the mitochondrial respiratory chain. It is a structural analog of the natural substrate for mitochondrial cytochrome c oxidase, 5-aminolevulinic acid. This compound has been shown to be selective against cancer cells and has anti-viral properties. The photophysical properties of 5-bromopyridine-2-carbaldehyde have been studied extensively. The fluorescence quantum yield of this molecule in aqueous solution is 0.06%., 31181-90-5.

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

The critical parameters of pyridine are pressure 6.70 MPa, temperature 620 K and volume 229 cm3·mol−1. 31181-90-5, formula is C6H4BrNO, Name is 5-Bromopicolinaldehyde. In the temperature range 340–426 °C its vapor pressure p can be described with the Antoine equation.. Formula: C6H4BrNO.

Du, Luan;Gong, Yiliang;Han, Jingpeng;Xin, Xiaolan;Luo, Han;Tian, Yi;Li, You;Li, Baosheng research published 《 Cascade 8π Electrocyclization/Benzannulation to Access Highly Substituted Phenylpyridines》, the research content is summarized as follows. A cascade 8π electrocyclization/benzannulation reaction was developed to obtain the synthetically important highly substituted phenylpyridines. This method shows great potential in the rapid and inexpensive application of the scalable and operationally simple production of accessible substrates. On the basis of the resulting phenylpyridine products, a new Ru catalyst and bidentate ligand were designed and prepared, further demonstrating its high practicability.

Formula: C6H4BrNO, 5-Bromopyridine-2-carbaldehyde is a useful research compound. Its molecular formula is C6H4BrNO and its molecular weight is 186.01 g/mol. The purity is usually 95%.

5-Bromopyridine-2-carbaldehyde is a water soluble organic molecule that has been shown to inhibit the mitochondrial respiratory chain. It is a structural analog of the natural substrate for mitochondrial cytochrome c oxidase, 5-aminolevulinic acid. This compound has been shown to be selective against cancer cells and has anti-viral properties. The photophysical properties of 5-bromopyridine-2-carbaldehyde have been studied extensively. The fluorescence quantum yield of this molecule in aqueous solution is 0.06%., 31181-90-5.

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Pyridine has a conjugated system of six π electrons that are delocalized over the ring. 766-11-0, formula is C5H3BrFN, Name is 5-Bromo-2-fluoropyridine. The molecule is planar and, thus, follows the Hückel criteria for aromatic systems. Related Products of 766-11-0.

Dransfield, Paul J.;Pattaropong, Vatee;Lai, Sujen;Fu, Zice;Kohn, Todd J.;Du, Xiaohui;Cheng, Alan;Xiong, Yumei;Komorowski, Renee;Jin, Lixia;Conn, Marion;Tien, Eric;DeWolf, Walter E.;Hinklin, Ronald J.;Aicher, Thomas D.;Kraser, Christopher F.;Boyd, Steven A.;Voegtli, Walter C.;Condroski, Kevin R.;Veniant-Ellison, Murielle;Medina, Julio C.;Houze, Jonathan;Coward, Peter research published 《 Novel Series of Potent Glucokinase Activators Leading to the Discovery of AM-2394》, the research content is summarized as follows. Glucokinase (GK) catalyzes the phosphorylation of glucose to glucose-6-phosphate. We present the structure-activity relationships leading to the discovery of AM-2394, a structurally distinct GKA. AM-2394 activates GK with an EC₅₀ of 60 nM, increases the affinity of GK for glucose by approx. 10-fold, exhibits moderate clearance and good oral bioavailability in multiple animal models, and lowers glucose excursion following an oral glucose tolerance test in an ob/ob mouse model of diabetes.

Related Products of 766-11-0, 5-Bromo-2-fluoropyridine is a useful research compound. Its molecular formula is C5H3BrFN and its molecular weight is 175.99 g/mol. The purity is usually 95%.
5-Bromo-2-fluoropyridine is a boronic acid that has been shown to react with iodides and form 5-bromo-2-fluoroiodobenzene. The reaction of 5-bromo-2-fluoropyridine with benzene gives the same product as the reaction with 1,3,5-trioxane. The UV absorption of 5-bromo-2-fluoropyridine is found at 230 nm and 260 nm. It also has an absorption band in the infrared region at 1625 cm−1. Vibrational progressions have been observed for this molecule, which are due to dipole moments and electron density distributions in the molecule.
5-bromo-2-fluoropyridine is used in the synthesis of heteroaromatic and aniline derivatives of piperidines as potent ligands used for vesicular acetylcholine transport. , 766-11-0.

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Pyridine is colorless, but older or impure samples can appear yellow. 766-11-0, formula is C5H3BrFN, Name is 5-Bromo-2-fluoropyridine. The pyridine ring occurs in many important compounds, including agrochemicals, pharmaceuticals, and vitamins. Historically, pyridine was produced from coal tar. Category: pyridine-derivatives.

Dow, Robert L.;Ammirati, Mark;Bagley, Scott W.;Bhattacharya, Samit K.;Buckbinder, Leonard;Cortes, Christian;El-Kattan, Ayman F.;Ford, Kristen;Freeman, Gary B.;Guimaraes, Cristiano R. W.;Liu, Shenping;Niosi, Mark;Skoura, Athanasia;Tess, David research published 《 2-Aminopyridine-Based Mitogen-Activated Protein Kinase Kinase Kinase Kinase 4 (MAP4K4) Inhibitors: Assessment of Mechanism-Based Safety》, the research content is summarized as follows. Studies have linked the serine-threonine kinase MAP4K4 to the regulation of a number of biol. processes and/or diseases, including diabetes, cancer, inflammation, and angiogenesis. With a majority of the members of our lead series (e.g., 1) suffering from time-dependent inhibition (TDI) of CYP3A4, we sought design avenues that would eliminate this risk. One such approach arose from the observation that carboxylic acid-based intermediates employed in our discovery efforts retained high MAP4K4 inhibitory potency and were devoid of the TDI risk. The medicinal chem. effort that led to the discovery of this central nervous system-impaired inhibitor together with its preclin. safety profile is described.

Category: pyridine-derivatives, 5-Bromo-2-fluoropyridine is a useful research compound. Its molecular formula is C5H3BrFN and its molecular weight is 175.99 g/mol. The purity is usually 95%.
5-Bromo-2-fluoropyridine is a boronic acid that has been shown to react with iodides and form 5-bromo-2-fluoroiodobenzene. The reaction of 5-bromo-2-fluoropyridine with benzene gives the same product as the reaction with 1,3,5-trioxane. The UV absorption of 5-bromo-2-fluoropyridine is found at 230 nm and 260 nm. It also has an absorption band in the infrared region at 1625 cm−1. Vibrational progressions have been observed for this molecule, which are due to dipole moments and electron density distributions in the molecule.
5-bromo-2-fluoropyridine is used in the synthesis of heteroaromatic and aniline derivatives of piperidines as potent ligands used for vesicular acetylcholine transport. , 766-11-0.

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Pyridine is diamagnetic and has a diamagnetic susceptibility of −48.7 × 10−6 cm3·mol−1.The molecular electric dipole moment is 2.2 debyes. 5315-25-3, formula is C6H6BrN, Name is 2-Bromo-6-methylpyridine. TThe standard enthalpy of formation is 100.2 kJ·mol−1 in the liquid phase and 140.4 kJ·mol−1 in the gas phase. Category: pyridine-derivatives.

Dong, Jie;Yuan, Xiang-Ai;Yan, Zhongfei;Mu, Liying;Ma, Junyang;Zhu, Chengjian;Xie, Jin research published 《 Manganese-catalysed divergent silylation of alkenes》, the research content is summarized as follows. Transition-metal-catalyzed, redox-neutral dehydrosilylation of alkenes is a long-standing challenge in organic synthesis, with current methods suffering from low selectivity and narrow scope. The authors report a general and simple method for the Mn-catalyzed dehydrosilylation and hydrosilylation of alkenes, with Mn₂(CO)₁₀ as a catalyst precursor, by using a ligand-tuned metalloradical reactivity strategy. This enables versatility and controllable selectivity with a 1:1 ratio of alkenes and silanes, and the synthetic robustness and practicality of this method are demonstrated using complex alkenes and light olefins. The selectivity of the reaction was studied using d. functional theory calculations, showing the use of an ⁱPrPNP ligand to favor dehydrosilylation, while a JackiePhos ligand favors hydrosilylation. The reaction is redox-neutral and atom-economical, exhibits a broad substrate scope and excellent functional group tolerance, and is suitable for various synthetic applications on a gram scale. [graphic not available: see fulltext].

Category: pyridine-derivatives, 2-Bromo-6-methylpyridine (2BMPy) is a bromopyridine derivative. It is formed when 2-chloro-6-methylpyridine is heated with bromotrimethylsilane. Its synthesis from various methods have been reported.
2-Bromo-6-methylpyridine is a building block in the preparation of nitrogen containing heterocyclic compounds.
2-Bromo-6-methylpyridine is an organic compound that belongs to the group of pyridinium halides. It is soluble in common solvents such as water, ethanol, and acetone. 2BMPy has been shown to act as a glutamate receptor antagonist and has been used in the study of glutamate receptors, including their subtypes. This chemical has also been shown to have antioxidant properties and can be used in the prevention of atherosclerosis., 5315-25-3.

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Pyridine is diamagnetic and has a diamagnetic susceptibility of −48.7 × 10−6 cm3·mol−1.The molecular electric dipole moment is 2.2 debyes. 16133-25-8, formula is C5H4ClNO2S, Name is Pyridine-3-sulfonyl chloride. TThe standard enthalpy of formation is 100.2 kJ·mol−1 in the liquid phase and 140.4 kJ·mol−1 in the gas phase. HPLC of Formula: 16133-25-8.

Dong, Jiaqiang;Huang, Jingjie;Zhou, Ji;Tan, Ye;Jin, Jing;Tan, Xi;Wang, Bei;Yu, Tao;Wu, Chengde;Chen, Shuhui;Wang, Tie-Lin research published 《 Discovery of 3-Quinazolin-4(3H)-on-3-yl-2,N-dimethylpropanamides as Orally Active and Selective PI3Kα Inhibitors》, the research content is summarized as follows. Phosphoinositide 3-kinases (PI3Ks) mediate a series of events related to cell growth, proliferation, survival, and differentiation. Overexpression of PI3Ks can lead to the dysregulation of cell homeostasis and cause tumorigenesis. In this study, rationally designed compounds were investigated as PI3Kα-selective inhibitors. Our efforts culminated in the discovery of a series of quinazolin-4(3H)-one derivatives with 2-substituted-N-methylpropanamide substitutions as PI3Kα-selective inhibitors. The best compound, I, has PI3Kα enzymic and cellular IC₅₀ values of 1.8 and 12.1 nM, resp. It exhibits biochem. selectivities for PI3Kα over PI3Kβ/δ/γ of 150/7.72/7.67-fold and cellular selectivities of 115/15.1/>826-fold, resp. Compound I is 59% orally bioavailable with a dose-normalized AUC of 3090 nM. These effects translated into in vivo conditions, as I significantly time- and dose-dependently inhibited phosphorylation of Akt in BT-474 s.c. xenograft mice and inhibited tumor growth.

HPLC of Formula: 16133-25-8, Pyridine-3-sulfonyl chloride is a useful research compound. Its molecular formula is C5H4ClNO2S and its molecular weight is 177.61 g/mol. The purity is usually 95%.
Pyridine-3-sulfonyl chloride is a reagent used in the synthesis of pyrimidine derivatives with anti-proliferative activity against negative breast cancer cells.
Pyridine-3-sulfonyl chloride is a chemical compound that binds to the active site of cytochrome P450 enzymes. It can be used to study the effects of matrix effect on reaction solution. Pyridine-3-sulfonyl chloride has been shown to have an UV absorption spectrum with a maximum at 280 nm and a p450 activity that is proportional to the concentration of human serum. This compound has been shown to inhibit kinase domain in vitro assays, which may have clinical relevance in the treatment of obesity., 16133-25-8.

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem