Category: 73918-56-6

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. 73918-56-6 name is 2-(4-Bromophenyl)ethanamine, This 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. 73918-56-6

General procedure: To a solution of neocrotocembraneic acid (150 mg, 0.50 mmol) in dry CH2Cl2 (10 mL) were added HOBt (81 mg, 0.60 mmol) and EDCI (115 mg, 0.60 mmol). The mixture was stirred at room temperature for 2 h, and then the corresponding amines (0.6 mmol 1.2 equiv.) were added. Upon completion, the reaction mixture was washed successively with 1M hydrochloric acid, saturated NaHCO3 and brine, then dried over Na2SO4 and concentrated in vacuo. The residue was purified by column chromatography to give the amide derivatives 8a-8r.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 2-(4-Bromophenyl)ethanamine, and friends who are interested can also refer to it.

Reference:
Article; Shang, Hai; Li, Ling-Yu; Cheng, Wei-Hua; Luo, Jun; Zhang, Hong-Wu; Zou, Zhong-Mei; Molecules; vol. 21; 11; (2016);,
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of 73918-56-6, These common heterocyclic compound, 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, 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.

General procedure: The appropriate aldehyde 6a-c and 12a-g (1 mmol) was dissolved in 5 mL of CH2Cl2 in a round bottom flask. Then AcOH (1 mmol) and the appropriate amine (1.1 mmol) were added to the stirring solution at room temperature. The mixture was allowed to stir at room temperature for 20 min before NaBH(AcO)3 (3 mmol) was added. The mixture was allowed to stir at room temperature for overnight. Then,after completion, the reaction was quenched with NaOH 1M solution(15 mL). The mixture was then allowed to stir for 30 min. The reaction mixture was then diluted with EtOAc (10 mL), washed two times with EtOAc (10 mL) and once with brine (20 mL). The organic extracts were collected and then dried over Na2SO4, and the solvent was evaporated to yield the crude compounds 7a-e, 13a-o, 14a-b and 15a which were purified by silica gel column chromatography.

Statistics shows that 2-(4-Bromophenyl)ethanamine is playing an increasingly important role. we look forward to future research findings about 73918-56-6.

Reference:
Article; Liu, Pingxian; Yang, Yang; Ju, Yuan; Tang, Yunxiang; Sang, Zitai; Chen, Lijuan; Yang, Tao; An, Qi; Zhang, Tianyu; Luo, Youfu; Bioorganic Chemistry; vol. 80; (2018); p. 422 – 432;,
Bromide – Wikipedia,
bromide – Wiktionary

73918-56-6, name is 2-(4-Bromophenyl)ethanamine, belongs to bromides-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Patent; INDIANA UNIVERSITY RESEARCH AND TECHNOLOGY CORPORATION; ASSEMBLY BIOSCIENCES, INC.; TURNER, William W.; ARNOLD, Lee Daniel; MAAG, Hans; ZLOTNICK, Adam; WO2015/138895; (2015); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Application of 73918-56-6, 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. 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, This compound has unique chemical properties. The synthetic route is as follows.

Step (i) of Reference Example 4: N-(4-Bromophenethyl)-2-nitrobenzenesulfonamide Triethylamine 0.7 ml (5.0 mmol) was added to a solution of 500 mg (2.5 mmol) of 2-(4-bromophenyl)ethanamine in tetrahydrofuran (5 ml). 2-Nitrobenzenesulfonyl chloride (664.6 mg, 3.0 mmol) was then added thereto, and the mixture was stirred at room temperature for one hr. Thereafter, a saturated aqueous sodium hydrogencarbonate solution was added thereto, and the mixture was then extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate and was then filtered. The filtrate was concentrated under the reduced pressure. The residue was purified by column chromatography on silica gel (hexane : ethyl acetate = 3 : 1) to give 915 mg (yield 95%) of the title compound. 1H-NMR (400 MHz, CDCl3) delta: 2.80 (2H, t, J = 6.8 Hz), 3.40 (2H, dt, J = 5.9, 6.8 Hz), 5.34 (1H, t, J = 5.8 Hz), 6.97 (2H, ddd, J = 1.9, 2.7, 8.3 Hz), 7.31 (2H, ddd, J = 1.9, 2.7, 8.3 Hz), 7.70 (1H, dt, J = 1.7, 7.6 Hz), 7.74 (1H, dt, J = 1.7, 7.6 Hz), 7.81-7.86 (1H, m), 8.01-8.05 (1H, m).

The chemical industry reduces the impact on the environment during synthesis 2-(4-Bromophenyl)ethanamine. I believe this compound will play a more active role in future production and life.

Reference:
Patent; Meiji Seika Kaisha Ltd.; EP2151447; (2010); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Reference of 73918-56-6,Some common heterocyclic compound, 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, molecular formula is C8H10BrN, 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.

Into a 1-L 3 -necked round-bottom flask was added 2-(4-bromophenyl)ethan-l -amine (80.0 g, 400 mrnol), anhydrous DCM (800 mL), and TEA (48.7 g, 67, 1 mL, 481mmol). The resulting mixture was cooled to 0 C’C and then a solution of benzyl chioroformate (68.3 g, 56.9 mL, 400 mrnol) in anhydrous DCM (20 mL) was added dropwise. The resulting solution was stirred for 2 h at 0 C and then concentrated in vacuo. The cmde product was purified via silica gel chromatography and eluted with ethyl acetate/petroleum ether (1 :3) to afford benzyl N-[2-(4- bromophenyi)ethylJcarbamate as a white solid (100 g, 75%). LCMS (ESI, m/z): 334 [M+H]+

The synthetic route of 73918-56-6 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; FORMA THERAPEUTICS, INC.; GUERIN, David Joseph; BAIR, Kenneth W.; CARAVELLA, Justin A.; IOANNIDIS, Stephanos; LANCIA, JR., David R.; LI, Hongbin; MISCHKE, Steven; NG, Pui Yee; RICHARD, David; SCHILLER, Shawn E.R.; SHELEKHIN, Tatiana; WANG, Zhongguo; (113 pag.)WO2017/139779; (2017); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Application of 73918-56-6, These common heterocyclic compound, 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, 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.

General procedure: To a solution of compound 31 (99 mg, 0.30 mmol) in anhydrous DMF (5.0 mL) were added EDC (75 mg, 0.39 mmol) and HOBt (45 mg, 0.33 mmol) and then stirred under ice water bath for 5 min, then the selected amine (0.36 mmol) were employed to the reaction mixture for another 15 min at 0 C and stirred at room temperature for 3 h. The mixture was extracted with ethyl acetate, washed with water and brine, and then dried over anhydrous Na2SO4. The crude product was purified by column chromatography (SiO2, petroether/ethyl acetate) to afford target compounds 32-44.

Statistics shows that 2-(4-Bromophenyl)ethanamine is playing an increasingly important role. we look forward to future research findings about 73918-56-6.

Reference:
Article; Wu, Jing; Yu, Linxi; Yang, Feifei; Li, Jingjie; Wang, Peng; Zhou, Wenbo; Qin, Liwen; Li, Yunqi; Luo, Jian; Yi, Zhengfang; Liu, Mingyao; Chen, Yihua; European Journal of Medicinal Chemistry; vol. 80; (2014); p. 340 – 351;,
Bromide – Wikipedia,
bromide – Wiktionary

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. 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, This compound has unique chemical properties. The synthetic route is as follows., Product Details of 73918-56-6

General procedure: To compound 5, 6 or 7 (1 equiv) and the appropriate alkylamine(1.3 equiv) in anhydrous DMF (10 mL/mmol) were added DIEA (3equiv) and PyBOP (1 equiv), and the reaction mixturewas stirred atroom temperature under argon. When the reaction was complete(2 h – 4 h), the solvents were removed under reduced pressure togive a residue that was taken up in CH2Cl2. The solution waswashed with saturated aqueous NaHCO3, then water. The organiclayer was dried over Na2SO4 and then evaporated in vacuo. Purificationby flash chromatography afforded the corresponding amidederivatives 8, 9 or 10 (yield: 40-76%).

According to the analysis of related databases, 73918-56-6, the application of this compound in the production field has become more and more popular.

Reference:
Article; Paoletti, Julie; Assairi, Liliane; Gelin, Muriel; Huteau, Valerie; Nahori, Marie-Anne; Dussurget, Olivier; Labesse, Gilles; Pochet, Sylvie; European Journal of Medicinal Chemistry; vol. 124; (2016); p. 1041 – 1056;,
Bromide – Wikipedia,
bromide – Wiktionary

Related Products of 73918-56-6, The chemical industry reduces the impact on the environment during synthesis 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, I believe this compound will play a more active role in future production and life.

Step 1 A solution of 4-bromophenethylamine (10 g, 50 mmol), di-tert-butyldicarbonate (21.82 g, 100 mmol), triethylamine (13.9 ml, 100 mmol), and anhydrous methanol (350 ml) was refluxed for 2 h. The reaction mixture was concentrated in vacuo and the residue was stirred with water, filtered, washed with water and air dried to give N-(tert-butoxycarbonyl)-4-bromophenethylamine (15 g).

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, 2-(4-Bromophenyl)ethanamine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Syntex (U.S.A.) LLC; US6323223; (2001); B1;,
Bromide – Wikipedia,
bromide – Wiktionary

Electric Literature of 73918-56-6, A common heterocyclic compound, 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, molecular formula is C8H10BrN, 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.

General procedure: The appropriate aldehyde 6a-c and 12a-g (1 mmol) was dissolved in 5 mL of CH2Cl2 in a round bottom flask. Then AcOH (1 mmol) and the appropriate amine (1.1 mmol) were added to the stirring solution at room temperature. The mixture was allowed to stir at room temperature for 20 min before NaBH(AcO)3 (3 mmol) was added. The mixture was allowed to stir at room temperature for overnight. Then,after completion, the reaction was quenched with NaOH 1M solution(15 mL). The mixture was then allowed to stir for 30 min. The reaction mixture was then diluted with EtOAc (10 mL), washed two times with EtOAc (10 mL) and once with brine (20 mL). The organic extracts were collected and then dried over Na2SO4, and the solvent was evaporated to yield the crude compounds 7a-e, 13a-o, 14a-b and 15a which were purified by silica gel column chromatography.

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Article; Liu, Pingxian; Yang, Yang; Ju, Yuan; Tang, Yunxiang; Sang, Zitai; Chen, Lijuan; Yang, Tao; An, Qi; Zhang, Tianyu; Luo, Youfu; Bioorganic Chemistry; vol. 80; (2018); p. 422 – 432;,
Bromide – Wikipedia,
bromide – Wiktionary

Adding a certain compound to certain chemical reactions, such as: 73918-56-6, name is 2-(4-Bromophenyl)ethanamine, belongs to bromides-buliding-blocks compound, 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 73918-56-6, HPLC of Formula: C8H10BrN

To a solution of 2-(4-bromophenyl)ethan-1-amine (5.0 g, 25.0 mmol) in dichloroethane (100 ml), triethylamine (7.0 mL) and trifluoroacetic acid anhydride (7.88 g, 37.5 mmol) were added under ice cooling, and the mixture was stirred for 1 hour. Thereafter, the mixture was stirred at room temperature for further 3 hours. Under ice cooling, water was added to the reaction solution and, after stirring for 20 minutes, the mixture was extracted with ethyl acetate. The organic layer was washed with a saturated aqueous solution of sodium bicarbonate, a saturated aqueous solution of ammonium chloride, and a saturated aqueous solution of sodium chloride, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was dissolved in acetic acid (15 mL), fuming nitric acid (30 mL) was slowly added dropwise under ice cooling, and, thereafter, the reaction mixture was stirred under ice cooling for 1 hour and at room temperature for 16 hours. The reaction solution was poured onto ice and extracted with ethyl acetate. The organic layer was washed with a saturated aqueous solution of sodium bicarbonate and a saturated aqueous solution of sodium chloride, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by flash column chromatography to obtain N-[2-(4-bromo-3-nitrophenyl)ethyl]-2,2,2-trifluoroacetamide (5.17 g)

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 2-(4-Bromophenyl)ethanamine, and friends who are interested can also refer to it.

Reference:
Patent; TEIJIN PHARMA LIMITED; US2012/46467; (2012); A1;,
Bromide – Wikipedia,
bromide – Wiktionary