Category: 109306-86-7

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. 109306-86-7, name is 2-(2-Bromophenyl)pyridine. A new synthetic method of this compound is introduced below., Formula: C11H8BrN

Preparation method: under the environment of air, to 10 ml electrifying thrill tube by adding 0.2 mmol of 2 – (2 – bromophenyl) pyridine compound, 0.3 mmol of […], 0.02 mmol of cuprous iodide, 0.4 mmol potassium carbonate, N, N – dimethyl formamide 2 ml, 120 C reaction 12 hours; after the reaction, the use of ethyl acetate extraction, concentrated under reduced pressure chromatography (silica gel 200 – 300 mesh, eluent: ethyl acetate/petroleum ether gradient leaching, the proportion of 0/100 to 100/0), drying to obtain the yellow solid, yield 95%.

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, 109306-86-7, 2-(2-Bromophenyl)pyridine.

Reference:
Patent; Zhengzhou University; Zhu Xinju; Zhang Xiaojie; Wang Yagai; Liu Shuang; Tian Lulu; Zhao Xuemei; Hao Xinqi; Song Maoping; (10 pag.)CN109776574; (2019); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Application of 109306-86-7, 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.109306-86-7, name is 2-(2-Bromophenyl)pyridine, molecular formula is C11H8BrN, molecular weight is 234.09, as common compound, the synthetic route is as follows.

Example 20The boronic acid compound D was synthesized as described below. That is, 2-(2-bromophenyl)pyridine (J. Am. Chem. Soc., 2006, vol. 128, p. 6,790 and 6,791.) (4.0 mmol) was added in a flask of 50 mL filled with dry nitrogen together with toluene (6.4 mL) and tetrahydrofuran (1.6 mL) as a solvent and was cooled to -78 C. After a 1.5-M hexane solution of butyl lithium (3.1 mL, 4.8 mmol) was added to this solution dropwise, and the mixture was stirred at -78 C. for 30 minutes. To the reaction mixture was added triisopropyl borate (4.8 mL), and the mixture was stirred at room temperature for 19 hours. After the reaction mixture was concentrated under reduced pressure, the residue was purified by column chromatography (alumina, ethyl acetate-methanol=5:1), so that methyl ester of the boronic acid compound D was obtained. After this product was dissolved in a mixture of water and methanol, the solvent was removed at 50 C. to 60 C. under reduced pressure, so that the boronic acid compound D was obtained (669 mg, yield: 84%). The structure of the boronic acid compound D was identified by 1H NMR and 13C NMR. 1H NMR (CD3OD) delta 7.42 (dt, J=1.5, 7.5 Hz, 1H), 7.47 (dt, J=1.5, 7.5 Hz, 1H), 7.60 (ddd, J=0.9, 1.5, 7.5 Hz, 1H), 7.64 (ddd, J=1.5, 5.7, 7.5 Hz, 1H), 7.96 (ddd, J=1.2, 1.5, 7.5 Hz, 1H), 8.18 (ddd, J=1.2, 1.5, 8.1 Hz, 1H), 8.27 (ddd, J=1.5, 7.5, 8.1 Hz, 1H), 8.49 (ddd, J=0.9, 1.5, 5.7 Hz, 1H); 13C NMR (CD3OD) delta 119.3, 123.2, 125.0, 129.5, 131.7, 132.3, 138.9, 143.1, 144.7, 157.1.

The chemical industry reduces the impact on the environment during synthesis 109306-86-7, I believe this compound will play a more active role in future production and life.

Reference:
Patent; NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY; US2011/319620; (2011); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Application of 109306-86-7, 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.109306-86-7, name is 2-(2-Bromophenyl)pyridine, molecular formula is C11H8BrN, molecular weight is 234.09, as common compound, the synthetic route is as follows.

Example 20The boronic acid compound D was synthesized as described below. That is, 2-(2-bromophenyl)pyridine (J. Am. Chem. Soc., 2006, vol. 128, p. 6,790 and 6,791.) (4.0 mmol) was added in a flask of 50 mL filled with dry nitrogen together with toluene (6.4 mL) and tetrahydrofuran (1.6 mL) as a solvent and was cooled to -78 C. After a 1.5-M hexane solution of butyl lithium (3.1 mL, 4.8 mmol) was added to this solution dropwise, and the mixture was stirred at -78 C. for 30 minutes. To the reaction mixture was added triisopropyl borate (4.8 mL), and the mixture was stirred at room temperature for 19 hours. After the reaction mixture was concentrated under reduced pressure, the residue was purified by column chromatography (alumina, ethyl acetate-methanol=5:1), so that methyl ester of the boronic acid compound D was obtained. After this product was dissolved in a mixture of water and methanol, the solvent was removed at 50 C. to 60 C. under reduced pressure, so that the boronic acid compound D was obtained (669 mg, yield: 84%). The structure of the boronic acid compound D was identified by 1H NMR and 13C NMR. 1H NMR (CD3OD) delta 7.42 (dt, J=1.5, 7.5 Hz, 1H), 7.47 (dt, J=1.5, 7.5 Hz, 1H), 7.60 (ddd, J=0.9, 1.5, 7.5 Hz, 1H), 7.64 (ddd, J=1.5, 5.7, 7.5 Hz, 1H), 7.96 (ddd, J=1.2, 1.5, 7.5 Hz, 1H), 8.18 (ddd, J=1.2, 1.5, 8.1 Hz, 1H), 8.27 (ddd, J=1.5, 7.5, 8.1 Hz, 1H), 8.49 (ddd, J=0.9, 1.5, 5.7 Hz, 1H); 13C NMR (CD3OD) delta 119.3, 123.2, 125.0, 129.5, 131.7, 132.3, 138.9, 143.1, 144.7, 157.1.

The chemical industry reduces the impact on the environment during synthesis 109306-86-7, I believe this compound will play a more active role in future production and life.

Reference:
Patent; NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY; US2011/319620; (2011); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Reference of 109306-86-7, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 109306-86-7, name is 2-(2-Bromophenyl)pyridine, molecular formula is C11H8BrN, The compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.

General procedure: Process (i) A dry 50-mL two-necked round bottom flask equipped with a glass stopper and a three-way stopcock was charged with 2-(2-chlorophenyl)pyridine (1.20 g, 6.32mmol) and CH2Cl2 (10 mL). The resulting colorless solution was cooled to 0 C, and mCPBA (1.64 g, 9.50mmol) was added slowly. The temperature was gradually raised to rt, and the colorless solution was stirred for 6 h. Cooling again to 0 C, 1M aq NaOH (10 mL) was slowly added. The organic layer was washed with 1M aq NaOH (10 mL) and brine (10 mL), and then dried over Na2SO4 (10 g). Filtration followed by evaporation gave nearly pure 2-(2-chlorophenyl)-pyridine-N-oxide (1.28 g) as a yellow oil. This was used for the next reaction without further purification.

According to the analysis of related databases, 109306-86-7, the application of this compound in the production field has become more and more popular.

Reference:
Article; Tanaka, Shinji; Suzuki, Yusuke; Kimura, Takahiro; Kitamura, Masato; Bulletin of the Chemical Society of Japan; vol. 92; 10; (2019); p. 1707 – 1720;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Reference of 109306-86-7 , The common heterocyclic compound, 109306-86-7, name is 2-(2-Bromophenyl)pyridine, molecular formula is C11H8BrN, 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.

2- (2-bromophenyl) pyridine(40.7 g, 174.0 mmol) was dissolved in 500 ml of anhydrous THF and cooled to -78 C. 2.5 M n-BuLi (73.2 ml, 183 mmol) was slowly added thereto and stirred for 1 hour.To this reaction solution was added 9-chloro-11H-benzo [b] fluoreno [2,3-e] [1,4] dioxin-11-one (53.0 g, 165.4 mmol) obtained in the above Step 3 The temperature was then slowly raised to room temperature and stirred for 3 hours.Aqueous ammonium chloride solution was added to terminate the reaction, distilled water was added thereto, and the organic layer was extracted with ethyl acetate. The obtained organic layer was dried over Na2SO4, distilled under reduced pressure and then purified by column chromatography to obtain the compound 9-chloro-11- (2- (pyridin-2-yl) phenyl) -11H-indeno [ Benzo [b, e] [1,4] dioxin-11-ol (69.6 g, yield 80%).

The synthetic route of 109306-86-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Doosan Co., Ltd; Choi Tae-jin; Kim Yeong-bae; Kim Hoe-mun; (65 pag.)KR2019/30391; (2019); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

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. 109306-86-7, name is 2-(2-Bromophenyl)pyridine. A new synthetic method of this compound is introduced below., Formula: C11H8BrN

To a solution of 2-(2-bromophenyl)pyridine (0.48 g, 2 mmol) in THF (10 mL) cooled with a dry ice-acetone bath was added dropwise a solution of n-BuLi in hexanes (1.3 mL, 1.6 M, 2.08 mmol, Aldrich) via a syringe. After the reaction mixture was stirred at -78 C. for 30 min, a solution of ZnCl2 in ether (2 mL, 1.0 M, 2 mmol, Aldrich) was added slowly via a syringe. The cooling bath was removed and the reaction mixture was warmed to ca 0 C. to room temperature. The bromide-bridged dimer [Ir(ppy)2Br]2 (0.58 g, 0.5 mmol) was added to the reaction mixture in one portion and the mixture was stirred for 30 min. Dichloromethane (10 mL) was added to accelerate the reaction. After stirring for ca. 1 hour at room temperature, the mixture was transferred into a one-necked flask and remaining yellow precipitates were washed into the flask with dichloromethane. The solvent was evaporated and the residue was dissolved in dichloromethane and purified by flash chromatography on silica gel with dichloromethane. The product was obtained as isomerically pure mer-(ppy)3Ir, 0.51 g, 78%.

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, 109306-86-7, 2-(2-Bromophenyl)pyridine.

Reference:
Patent; Eastman Kodak Company; US6835835; (2004); B1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Synthetic Route of 109306-86-7 ,Some common heterocyclic compound, 109306-86-7, molecular formula is C11H8BrN, 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 solution of 117.5 mg of 2- (2-bromophenyl) pyridine (0.5 mmol)And 70.15 mg of potassium methoxide (1 mmol) were dissolved in 1 mL of deuterated acetonitrile, and 200 muL of hexamethyldisilane (1 mmol) was added dropwise to the mixture, and the mixture was stirred at room temperature for 12 h. After completion of the reaction, 10 mL of water was quenched and extracted with 30 mL of ether three times. The organic phase was collected and the solvent was removed under reduced pressure. The eluent was petroleum ether: ethyl acetate = 10: 1 (v / v) to give 68 mg of 2- (2-deuterated) pyridine (pale yellow liquid in 87% yield).

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 109306-86-7, 2-(2-Bromophenyl)pyridine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Wuhan University; Liu Wenbo; Wang Xin; Zhong Dayou; (23 pag.)CN106928117; (2017); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem