Category: 144100-07-2

With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.144100-07-2, name is 2-Bromo-6-fluoropyridine, molecular formula is C5H3BrFN, molecular weight is 175.99, as common compound, the synthetic route is as follows.Computed Properties of C5H3BrFN

A mixture of 2-bromo-6-fluoropyridine (477 mg, 2.7 mmol), 1,4-diazepan-6-ol (350 mg,3 mmol), and DIPEA (1.94 g, 15 mmol) in ethanol (10 mL) was heated at 100 °C for 16 hours. After it was cooled, the reaction mixture was concentrated under reduced pressure. The residue was diluted with EtOAc (100 mL) and washed with brine. The organic layer was dried over Na2SO4 and concentrated under reduced pressure to afford 1-(6-bromopyridin-2-yl)-1,4-diazepan-6-ol as a colorless oil (400 mg, 48.9percent). MS (ESI) m/z: 272 [M+H]+.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,144100-07-2, 2-Bromo-6-fluoropyridine, and friends who are interested can also refer to it.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; GENENTECH, INC.; DO, Steven; HU, Huiyong; KOLESNIKOV, Aleksandr; TSUI, Vickie, H.; WANG, Xiaojing; WO2014/1377; (2014); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Synthetic Route of 144100-07-2, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 144100-07-2, name is 2-Bromo-6-fluoropyridine. This compound has unique chemical properties. The synthetic route is as follows.

Sodium hydrogen (909.07 mg, 22.73 mmol, 60% purity) was dissolved in anhydrous THF (5 mL), the reaction was placed in an ice bath, replaced with nitrogen for 3 times, 2-bromo-6-fluoropyridine (2 g, 11.36 mmol), and 1-methylimidazolidinone (2.28 g, 22.73 mmol) were added at 0C, the mixture was stirred at 70C for 16 hours. Water (20 mL) was added to quench the reaction, then extracted with EA (3×20 mL), the organic phase was washed by saturated brine (20 mL), dried over anhydrous sodium sulfate, the filtrate was concentrated to give the crude product, the crude product was purified by column to give the 56-1. 1H NMR (400MHz, CDCl3) delta = 8.23 (d, J=8.5 Hz, 1H), 7.43 (t, J=7.7 Hz, 1H), 7.05 (d, J=7.5 Hz, 1H), 4.10 – 3.93 (m, 2H), 3.53 – 3.40 (m, 2H), 2.95 – 2.85 (m, 3H), MS m/z:256.10 [M+H]+

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 144100-07-2, 2-Bromo-6-fluoropyridine.

Reference:
Patent; Shijiazhuang Sagacity New Drug Development Co., Ltd.; QIAN, Wenyuan; YANG, Chundao; LI, Zhengwei; LI, Jie; LI, Jian; CHEN, Shuhui; (137 pag.)EP3572413; (2019); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Adding a certain compound to certain chemical reactions, such as: 144100-07-2, 2-Bromo-6-fluoropyridine, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, Quality Control of 2-Bromo-6-fluoropyridine, blongs to pyridine-derivatives compound. Quality Control of 2-Bromo-6-fluoropyridine

A solution of 2-bromo-6-fluoropyridine (2.4 g, 13.64 mmol), o-tolylboronic acid (2.039 g, 15.00 mmol) and Tetrakis (0.158 g, 0.136 mmol) in Dioxane was degassed by nitrogen bubble for 10 min. A solution of Phosphoric acid, potassium salt (8.68 g, 40.9 mmol) in H20 (2ml) was then added and the solution heated to reflux for 18 h. The crude material was purified via silica gel chromatography (90g SiOi column, hexane:EtOAc 100:0 -> 90: 10) to afford 2-fluoro-6-(o-tolyl)pyridine, 2.41 g (94percent). NuMuRhonu (400 MHz, CDCb) delta 7.87 (q, J=8.2 Hz, 1H), 7.46 – 7.41 (m, 1H), 7.37 – 7.26 (m, 4H), 6.92 (dd, J=8.2, 2.9 Hz, 1H), 2.43 (s, 3H).

The synthetic route of 144100-07-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; VIIV HEALTHCARE UK (NO.5) LIMITED; BOWSHER, Michael S.; DESKUS, Jeffrey; EASTMAN, Kyle J.; GILLIS, Eric P; FRENNESSON, David B; IWUAGWU, Christiana; NAIDU, B. Narasimhulu; PARCELLA, Kyle E.; PEESE, Kevin M; SAULNIER, Mark G; SIVAPRAKASAM, Prasanna; (220 pag.)WO2018/127801; (2018); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Related Products of 144100-07-2 ,Some common heterocyclic compound, 144100-07-2, molecular formula is C5H3BrFN, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.

A mixture of 2-bromo-6-fluoropyridine (212 mg, 1.21 mmol), (R)-1-(tetrahydro-2H- pyran-4-yl)ethanamine (200 mg, 1.21 mmol), DIPEA (187 mg, 1.45 mmol) and DMSO (3 ml_) was heated in a sealed tube at 90 °C for 18 hrs. The reaction mixture was allowed to cool to room temperature, poured into water (30 ml_) and stirred for 20 min. The mixture was extracted with EtOAc (3x 15 ml_). The combined organic layers were washed with brine (100 ml_) and concentrated to dryness under reduced pressure. The residue was purified by column chromatography [silica gel] providing (R)-6-bromo-N-(1- (tetrahydro-2H-pyran-4-yl)ethyl)pyridin-2-amine (290 mg). LCMS (m/z): 285.0/286.9 [M+H]+; Rt = 0.91 min.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,144100-07-2, its application will become more common.

Reference:
Patent; NOVARTIS AG; BARSANTI, Paul A.; HU, Cheng; JIN, Xianming; NG, Simon C.; PFISTER, Keith B.; SENDZIK, Martin; SUTTON, James; WO2012/101063; (2012); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Electric Literature of 144100-07-2, Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 144100-07-2, name is 2-Bromo-6-fluoropyridine. A new synthetic method of this compound is introduced below.

A mixture of 2-bromo-6-fluoropyridine (225 mg, 1 .280 mmol), (S)-1 -(tetrahydro-2H- pyran-4-yl)ethanamine (212 mg, 1 .280 mmol), DIPEA (331 g, 2.5 mmol) and DMSO (5 mL) was heated in a sealed tube at 90 °C for 18 hrs. The reaction mixture was cooled to room temperature, poured into water (30 mL) and stirred for 20 min. The mixture was extracted with EtOAc (3x 15 mL). The combined organic layers were washed with brine (100 mL) and concentrated to dryness under reduced pressure. The residue was purified by column chromatography [silica gel] providing (S)-6-bromo-N-(1 -(tetrahydro-2H-pyran-4- yl)ethyl)pyridin-2-amine (270 mg). LCMS (m/z): 285.0/286.9 [M+H]+; Rt = 0.91 min.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,144100-07-2, its application will become more common.

Reference:
Patent; NOVARTIS AG; BARSANTI, Paul, A.; HU, Cheng; JIN, Xianming; NG, Simon, C.; PFISTER, Keith, B.; SENDZIK, Martin; SUTTON, James; WO2012/101064; (2012); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 144100-07-2, name is 2-Bromo-6-fluoropyridine. This compound has unique chemical properties. The synthetic route is as follows. COA of Formula: C5H3BrFN

2-Bromo-6-fluoropyridine (2 g, 11.36 mmol) and 3-hydroxyoxetane (926.05 mg, 12.50 mmol) were dissolved in anhydrous THF (10 mL), potassium tert-butoxide (1.65 g, 14.66 mmol) was added at 0C, and stirred at 0C for 2 h. The reaction mixture was added into water (20 mL), then extracted with EA (2×20 mL), the organic phase was washed by saturated brine (30 mL), dried over anhydrous sodium sulfate, and the filtrate was concentrated to give 53-1. 1H NMR (400 MHz, CDCl3) delta ppm 7.40 – 7.40 (m, 1H) 7.36 – 7.65 (m,1H) 7.11 (d, J=7.6 Hz, 1H) 5.60 – 5.71 (m,1H) 4.73 – 5.01 (m,2H) 4.60 – 4.79 (m,2H) MS m/z: 230.06 [M+H]+

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 144100-07-2, 2-Bromo-6-fluoropyridine.

Reference:
Patent; Shijiazhuang Sagacity New Drug Development Co., Ltd.; QIAN, Wenyuan; YANG, Chundao; LI, Zhengwei; LI, Jie; LI, Jian; CHEN, Shuhui; (137 pag.)EP3572413; (2019); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 144100-07-2, name is 2-Bromo-6-fluoropyridine, the common compound, a new synthetic route is introduced below. Recommanded Product: 2-Bromo-6-fluoropyridine

A mixture of 2-bromo-6-fluoropyridine (352mg, 2mmol), tert-butyl- 1 ,4-di azepane- 1- carboxylate (400mg, 2mmol), Pd2(dba)3 (91.5mg, 0.lmmol), BINAP (124.4mg, 0.2mmol), and tBuONa (3 84mg, 4mmol) in toluene (20 ml) was stirred at 80 C for 3h under N2 atmosphere. The mixture was then purified by chromatography (silica, PE/EtOAc = 5:1) to afford tert-butyl-4-(6- methylpyridin-2-yl)-1,4-diazepane-1-carboxylate (400mg, 1.3Smmol, 68%) as yellow oil. ESIMS (EI+, m/z): 296.1 [M+H]t

The synthetic route of 144100-07-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; NAVITOR PHARMACEUTICALS, INC.; O’NEILL, David John; SAIAH, Eddine; KANG, Seong Woo Anthony; BREARLEY, Andrew; BENTLEY, Jonathan; (565 pag.)WO2018/89433; (2018); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Reference of 144100-07-2 , The common heterocyclic compound, 144100-07-2, name is 2-Bromo-6-fluoropyridine, molecular formula is C5H3BrFN, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.

a) Under inert gas atmosphere 28.4 mL (56.8 mmol) of a sodium-bis-(trimethylsilyl)-amide solution in THF (c=2 mol/L) are chilled to ?17¡ã C. and dropwise charged with 2.00 g (11.3 mmol) 2-bromo-6-fluoropyridine. Afterwards 2.14 g (22.7 mmol) dimethyl sulfone are added and the reaction mixture is stirred at ?17¡ã C. for 1 h. The reaction is quenched by the addition of aq. sat.NaCl solution and extracted with EtOAc. The organic layer is dried over MgSO4, filtered and the solvent is removed in vacuo. [0496] C7H8BrN2O2S (M=250.1 g/mol) [0497] ESI-MS: 250/252 [M+H]+

The synthetic route of 144100-07-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; FLECK, Martin; HEINE, Niklas; NOSSE, Bernd; ROTH, Gerald Juergen; US2014/213568; (2014); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem