Category: 58971-11-2

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. 58971-11-2, name is 3-Bromophenethylamine, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 58971-11-2

Intermediate (iv)N-[2-(3-Bromo-phenyl)-ethyl]-4-methyl-benzenesulfonamideTsCI (1 1 g, 57.5 mmol, 1 .15 eq.) was dissolved in DCM (150 ml_) and cooled to 0C. To this solution was added a solution of 3-bromo-phenethyamine (10 g, 50 mmol) in DCM (50 ml_), followed by Et3N (18 ml_). The solution was stirred at r.t. overnight when TLC (5% MeOH in DCM) showed that the reaction was complete. LCMS: t=4.158, MS 354/356. 3 g of polymer-supported-amine was added, stirred for 1 h at r.t. The solution was filtered through a Celite pad, rinsed with DCM and the solvent was evaporated to dryness, re-dissolved in DCM (100 mL) and water (20 mL). The two layers were separated, and the aqueous layer was extracted with DCM (20 mLx2). The combined DCM extracts were washed with 1 N H3PO4 (2 x 20 mL) and sodium bicarbonate (20 mL), and brine (15 mL x 2), dried (anhydrous potassium carbonate), filtered, and concentrated in vacuo. The crude product was purified on a silica gel column, eluted with DCM (TLC: DCM) to get 17.89 g (100%) of the title compound as a off-white solid, on standing.TLC (DCM): 0.7Rf.LCMS: RT = 3.72 minutes, MS: 356 (M+H).

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 58971-11-2.

Reference:
Patent; SANOFI; GAO, Zhongli; HARTUNG, Ryan; WO2011/143155; (2011); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Reference of 58971-11-2, 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. 58971-11-2, name is 3-Bromophenethylamine, This compound has unique chemical properties. The synthetic route is as follows.

4i was then obtained by following the general procedure. A solution of compound 3 (140 mg, 0.7 mmol) in n-BuOH (6 mL) was treated with DIEA (98.6 mg, 0.77 mmol) and 3-bromophenethylamine (154 mg, 0.77 mmol). Compound 4i was purified from this crude material by column chromatography (silicagel, n-hexane/EtOAc=3:1) (128.2 mg, 50.7%). 1H-NMR (400 MHz, CDCl3) delta 7.71-762 (m, 2H), 7.49 (d, J=8.4 Hz, 1H), 7.38-7.30 (m, 2H), 7.14-7.08 (m, 1H), 5.99 (s, 1H, -NH), 3.86 (dd, J=12.4, 6.8 Hz, 2H, -CH2-), 2.94 (t, J=7.2 Hz, 2H, -CH2-). 13C-NMR (100 MHz, CDCl3) delta 159.8, 156.7, 149.8, 147.2, 140.9, 139.9, 132.6, 130.9, 129.3, 128.9, 126.5, 125.3, 121.8, 119.6, 112.2, 41.3, 33.7. LC-MS (ESI) m/z: 362.0 ([M+H]+);

The chemical industry reduces the impact on the environment during synthesis 3-Bromophenethylamine. I believe this compound will play a more active role in future production and life.

Reference:
Patent; The Board of Regents of the University of Oklahoma; Wang, Weidong; Lee, Jae Wook; (35 pag.)US2019/47988; (2019); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Adding a certain compound to certain chemical reactions, such as: 58971-11-2, name is 3-Bromophenethylamine, 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 58971-11-2, Quality Control of 3-Bromophenethylamine

Di-tert-butyl dicarbonate (0.30 g, 1.38 mmol) and triethylamine (0.44 mL, 3.13 mmol) were added to a stirred solution of [2-(3-bromophenyl)ethyl]amine (0.25 g, 1.25 mmol) in tetrahydrofuran (2 mL) and the mixture was stirred at room temperature. After 3 hours ethyl acetate and water were added to the mixture. The organic layer was washed with brine, dried (Na2SO4) and evaporated. Purification of the residue by flash chromatography (8:2 hexanes/ethyl acetate) gave the title compound (0.29 g, 77%) as a solid.LRMS (m/z): 300/302 (M+1)+.1 H NMR (400 MHz, CHLOROFORM-d) delta ppm 1.44 (s, 9 H) 2.75-2.80 (m, 2 H) 3.36-3.41 (m, 2 H) 4.56 (br. s., 1 H) 7.10-7.20 (m, 2 H) 7.35 – 7.40 (m, 2 H)

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, 3-Bromophenethylamine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Almirall, S.A.; Vidal Juan, Bernat; Forns Berenguel, Maria Pilar; Castillo Mcquade, Marcos; Erra Sola, Montserrat; Mir Cepeda, Marta; EP2441755; (2012); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Adding a certain compound to certain chemical reactions, such as: 58971-11-2, name is 3-Bromophenethylamine, 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 58971-11-2, Application In Synthesis of 3-Bromophenethylamine

General procedure: Toa solution of 2a (20.0 g, 0.1 mol)and triethylamine (30.3 g, 0.3 mol) in DCM (350 mL) was added ethylchloroformate (12.9 g, 0.1 mol) dropwise at 0 oC and then stirred atroom temperature for 3 h. The reaction mixture was washed with 3M HCl (100 mL×2), dried over Na2SO4 and concentrated under reducedpressure. The residue was purified by silica gel column chromatography (PET/EA= 25:1, v/v) to afford compound 3a as colorless oil (22.3 g, 82.0%).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Bromophenethylamine, and friends who are interested can also refer to it.

Reference:
Article; Sun, Zhaozhu; Zhou, Tian; Pan, Xuan; Yang, Ying; Huan, Yi; Xiao, Zhiyan; Shen, Zhufang; Liu, Zhanzhu; Bioorganic and Medicinal Chemistry Letters; vol. 28; 18; (2018); p. 3050 – 3056;,
Bromide – Wikipedia,
bromide – Wiktionary

Application of 58971-11-2,Some common heterocyclic compound, 58971-11-2, name is 3-Bromophenethylamine, 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.

a) N-(3-bromophenethyl)-2-chloroacetamide (0164) To a suspension of 2-(3-bromophenyl)ethanamine (10 g, 48.5 mmol, CAS 58971-11-2) and NaHC03 (4.28 g, 50.9 mmol) in dichloromethane (60 mL) was added dropwise chloroacetyl chloride (4.66 mL, 58.2 mmol, CAS 79-04-9) at 0 C during 30 min. The reaction mixture was allowed to warm to room temperature overnight, before being quenched by slow addition of water at 0 C. The organic layer was separated, and washed successively with 10% aqueous HC1 solution and brine, dried (Na2S04), filtered and concentrated in vacuo to afford the title compound (9.38 g) as viscous yellow oil which was used in the next step without further purification.

The synthetic route of 58971-11-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; CECERE, Giuseppe; GALLEY, Guido; NORCROSS, Roger; PATINY-ADAM, Angelique; PFLIEGER, Philippe; (68 pag.)WO2016/30306; (2016); A1;,
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. 58971-11-2, name is 3-Bromophenethylamine, This compound has unique chemical properties. The synthetic route is as follows., Application In Synthesis of 3-Bromophenethylamine

To an ice-cooled solution of 2-(3-bromophenyl)ethanamine (30.0 g, 0.15 mol) in pyridine (100 mL) was added isobutyryl chloride (19.2 g, 0.18 mol) dropwise. Then the mixture was stirred at rt for 17 h. The mixture was poured into ice, filtered and dried in vacuum to give N-(3-bromophenethyl)isobutyramide (30.0 g, 74%) as a white solid. 1H NMR (CDC13 400 IVIHz): (57.39-7.33 (m, 2H), 7.18 (t, J 7.6 Hz, 1H), 7.12 (d, J= 7.6 Hz, 1H), 5.50 (brs, 1H), 3.52-3.45 (m, 2H), 2.80 (t, J= 7.2 Hz, 2H), 2.32-2.28 (m, 1H), 1.12 (d, J=6.8 Hz, 6H).

According to the analysis of related databases, 58971-11-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; VITAE PHARMACEUTICALS, INC.; CLAREMON, David, A.; DILLARD, Lawrence, Wayne; FAN, Yi; JIA, Lanqi; SINGH, Suresh, B.; TICE, Colin, M.; XU, Zhenrong; YUAN, Jing; ZHUANG, Linghang; (172 pag.)WO2017/87608; (2017); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Adding a certain compound to certain chemical reactions, such as: 58971-11-2, name is 3-Bromophenethylamine, 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 58971-11-2, Application In Synthesis of 3-Bromophenethylamine

[00981] Example 62. Preparation of N-(6-(3-fer?-butyl-5-(2,4-dioxo-3,4-dihydropyrimidin-l(2H)-yl)-2- methoxyphenyl)-3,4-dihydroisoquinolin-2(lH)-yl)methanesulfonamide (compound IB-LO-2.43).; [00982] Part A. Preparation of N-(3-bromophenethyl)-2,2,2-trifluoroacetamide.; [00983] To a solution of 2-(3-bromophenyl)ethanamine (1Og, 50.0mmol) in dichloromethane (200ml) atO0C were added 2,6-lutidine (6.40ml, 55.0mmol) and then trifluoroacetic anhydride (7.77ml, 55.0mmol) dropwise, and the reaction was stirred at room temperature overnight. Water was added at 00C and the reaction was washed with IM HCl, H2O, and sat NaHCO3. The organic was dried overmgSO4, filtered and concentrated to provide the title compound as a tan solid (14.7g, 99%).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Bromophenethylamine, and friends who are interested can also refer to it.

Reference:
Patent; ABBOTT LABORATORIES; WO2009/39134; (2009); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

These common heterocyclic compound, 58971-11-2, name is 3-Bromophenethylamine, 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. Application In Synthesis of 3-Bromophenethylamine

2-(3-Bromo-phenyl)-ethylamine (0.5 mmol) and formaldehyde (0.42 mmol) were mixed in 3 ml of 1,2-dichloroethane in a process vial, which was sealed with a septum. Sodium triacetoxyborohydride (0.84 mmol) was added under argon atmosphere. The suspension was subjected to microwave irradiating conditions (CEM Discover equipped with a CEM Explorer automated reaction handling module). The reaction mixture was heated for 5 min at 90C and then cooled. The crude was evaporated to dryness and then suspended in aqueous NaHCO3. The product was extracted with CH2Cl2 and washed with aqueous NaHCO3. The CH2Cl2 extract was dried with anhydrous Na2SO4, filtered and evaporated to dryness to give the crude product [2-(3-bromo-phenyl)-ethyl]-methyl-amine. The crude was purified by flash column chromatography (CH2Cl2-MeOH as eluents) by using a CombiFlash Companion system to yield the title compound (75%) as colourless oil.

The synthetic route of 3-Bromophenethylamine has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Laboratorios del Dr. Esteve S.A.; EP1935886; (2008); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Related Products of 58971-11-2,Some common heterocyclic compound, 58971-11-2, name is 3-Bromophenethylamine, 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.

To a solution of 2-(3-Bromophenyl) ethylamine (7.3 g, 36 mmol) and triethylamine(15 mL, 107 mmol) in dry dichloromethane (70 mL) is added trifluoroacetic anhydride drop- wise and the reaction mixture is stirred at room temperature for 2 h. The reaction mixture is diluted with dichloromethane, washed with water and brine, dried over sodium sulfate and concentrated. The crude product is purified by column chromatography (silica gel, 60-120 mesh) using 10% ethyl acetate in petroleum ether as eluent to obtain the product as light yellow solid (7.8 g, 72%).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Bromophenethylamine, its application will become more common.

Reference:
Patent; NOVARTIS AG; WO2008/76954; (2008); A2;,
Bromide – Wikipedia,
bromide – Wiktionary

Synthetic Route of 58971-11-2,Some common heterocyclic compound, 58971-11-2, name is 3-Bromophenethylamine, 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.

N-3-brornophenethyB-2,2,2-trifhioroacetamk1e. A vial was charged with 2(3bromophenyflethanamine (600 nig, 3 mnrol). methylene chloride (2.0 mL), and tri.tluoroacetie anhydride:0 4 niL 3 mmd) lrwthvlamine (0 X4 mL 6 mmd) xas carttull iddtd dtopxs ist I Ia rcxtmn n?is stirred for 1 h then concentrated. The residue was purified on silica gel (20% EtOAc/hexanes) to provide the hUe compound (773 mg, 87% yield). LCMS: Ri? 1.007 miii; M+H 296.2..

The synthetic route of 58971-11-2 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; VANDERBILT UNIVERSITY; CONN, Jeffrey, P.; HOPKINS, Corey, R.; LINDSLEY, Craig, W.; NISWENDER, Colleen, M.; EMMITTE, Kyle; BRONSON, Joanne; WU, Yong-Jin; PANARESE, Joe; ENGERS, Darren, W.; ENGERS, Julie; (136 pag.)WO2016/123627; (2016); A1;,
Bromide – Wikipedia,
bromide – Wiktionary