September 18, 2021 News Introduction of a new synthetic route about 58534-95-5

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 58534-95-5.

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. 58534-95-5, name is 3-Bromo-2-fluoroaniline, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 3-Bromo-2-fluoroaniline

A mixture of 2,2,2-Trichloroethane-1,1-diol (8.09 g, 49.33 mmol) and Na2SO4 (53 g, 370 mol) were dissolved in water and warmed to 35C. 3-bromo-2- fluorobenzenamine (7.77 g, 41.11 mmol) in water was added, followed by 35% aqueous HC1 (4.6 mL) and hydroxylamine hydrochloride (9.08 g, 131.6 mol). The resultingmixture was heated to 90C for 16 h and yellow precipitate was formed. The mixture was cooled to room temperature, the solid was filtered, washed with water, and dried in the air to afford the desired product (6.5 g, 61% yield)

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 58534-95-5.

Reference:
Patent; ARAXES PHARMA LLC; LI, Liansheng; FENG, Jun; LONG, Yun Oliver; LIU, Yuan; WU, Tao; REN, Pingda; LIU, Yi; (246 pag.)WO2017/87528; (2017); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

17-Sep-2021 News Some tips on 58534-95-5

According to the analysis of related databases, 58534-95-5, the application of this compound in the production field has become more and more popular.

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. 58534-95-5, name is 3-Bromo-2-fluoroaniline, This compound has unique chemical properties. The synthetic route is as follows., Application In Synthesis of 3-Bromo-2-fluoroaniline

The product from step 1 (200 mg, 0.7268 mmol), 3-bromo-2-fluoro-phenylamine (165 mg, 0.7268 mmol, 1 eq.), Na2CO3 (616 mg, 5.814 mmol. 8 eq.) and Pd(PPh3)4 (84 mg, 0.1 eq.) are partially dissolved in a mixture of DMF (10 mL) and H2O (2 mL). N2 gas is bubbled through this reaction mixture for 5 minutes. The resulting mixture is heated to 150 C. in a sealed tube under microwave irradiation for 10 min. The reaction is diluted with EtOAc and sequentially washed with H2O, 1 N NaOH (aq), and saturated aqueous NaCl. The organic solution is dried over Na2SO4 and concentrated. The resulting residue is purified on silica gel (2:1 hexanes/EtOAc) to afford the aniline product as a yellow oil. ESMS m/z 259.1 (M+H+).

According to the analysis of related databases, 58534-95-5, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Irm LLC; US2009/75996; (2009); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

9/16/2021 News Sources of common compounds: 58534-95-5

According to the analysis of related databases, 58534-95-5, the application of this compound in the production field has become more and more popular.

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 58534-95-5 as follows. category: bromides-buliding-blocks

Step 4: N-(3-bromo-2-fluoroph pane-l-sulfonamideTo a stirred solution of 3-bromo-2-fluoroaniline (3 g, 0.0158 mol) in dichloromethane (300 mL) were added dropwise pyridine (12.53 mL, 0.158 mol) and 3-fluoropropane-l-sulfonyl chloride (7.64 mL, 0.047 mol) at 0C. To the resulting mixture was added DMAP (0.387 g, 0.00317 mol) at 0C. The reaction mixture was stirred overnight at room temperature. Water (500 mL) was added and the reaction mixture was extracted with DCM (2×100 mL). The combined organic layers were washed with IN HCI (50 mL) followed by brine and dried over anhydrous sodium sulfate, then filtered. The filtrate was evaporated under reduced pressure and the crude product was purified using column chromatography (100-200 mesh silica gel, 10% EtOAc in hexane) to afford the title compound (3.4 g, 69%). *H NMR (400 MHz, DMSO-d6) : delta 9.99 (s, 1H), 7.54 (t, J = 7.6 Hz, 1H), 7.42 (t, J = 8.4 Hz, 1H), 7.16 (t, J = 8.4 Hz, 1H), 4.61 (t, J = 3.2 Hz, 1H), 4.49 (t, J = 4.0 Hz, 1H), 3.25 (t, J = 5.6 Hz, 2H), 2.16-2.03 (m, 2H) ; ESI-MS : Calculated mass: 312.96; Observed mass: 314.0 [M+H]+.

According to the analysis of related databases, 58534-95-5, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ASANA BIOSCIENCES, LLC; THOMPSON, Scott, K.; SMITH, Roger, A.; REDDY, Sanjeeva; JOHN, Tyler, M.; NYAVANANDI, Vijay, Kumar; SUBRAMANYA, Hosahalli; POTLURI, Vijay; PANIGRAHI, Sunil, Kumar; NADIPALLI, Prabhakara, Rao; SENGUPTA, Saumitra; WO2014/169167; (2014); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

September 14,2021 News Extended knowledge of 58534-95-5

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Bromo-2-fluoroaniline, and friends who are interested can also refer to it.

Synthetic Route of 58534-95-5, 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. 58534-95-5 name is 3-Bromo-2-fluoroaniline, 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.

To an ice cold solution of (2S,4R)-l-(tert-butoxycarbonyl)-4-fluoropyrrolidine-2- carboxylic acid (1 mmol) in 5 mL of CH2CI2, l-chloro-N,N,2-trimethyl-l-propenylamine 1.1 mmol) was added drop-wise with stirring. The stirring was continued for 3 hours, at same temperature. Then solid 3-bromo-2-fluoroaniline (1.1 mmol was added, followed by 3 mmol of Hiinig’s base. The cooling bath was removed and the reaction mixture was stirred overnight at RT. The solvent was co-evaporated with MeOH (1 mL). The residue was then purified by ISCO (eluent: 0-.5 % MeOH in CH2CI2) to afford the title compound.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Bromo-2-fluoroaniline, and friends who are interested can also refer to it.

Reference:
Patent; ACHILLION PHARMACEUTICALS, INC.; WILES, Jason, Allan; PHADKE, Avinash, S.; DESHPANDE, Milind; AGARWAL, Atul; CHEN, Dawei; GADHACHANDA, Venkat, Rao; HASHIMOTO, Akihiro; PAIS, Godwin; WANG, Qiuping; WANG, Xiangzhu; GREENLEE, William; (447 pag.)WO2017/35408; (2017); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

9/1/2021 News Sources of common compounds: 58534-95-5

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Bromo-2-fluoroaniline, its application will become more common.

Synthetic Route of 58534-95-5,Some common heterocyclic compound, 58534-95-5, name is 3-Bromo-2-fluoroaniline, molecular formula is C6H5BrFN, 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.

The mixture of 12 (30 g), 13 (60 g), K2CO3 (91 g) and Pd(dppf)2Cl2 (19.25 g) in solvent (dioxane 400 mL, H2O 100 mL) was purged with argon in a pressure vessel for 5 min and stirred for 15 h at 100 C. The solvent was removed under reduced pressure and the remaining residue was purified by flash column chromatography. The purified material was then dissolved in MeOH and treated with HCl/MeOH. The solvent was removed and the remaining solid was washed with IPA-heptane (1/1) to afford 14.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Bromo-2-fluoroaniline, its application will become more common.

Reference:
Patent; Achillion Pharmaceuticals, Inc.; Gadhachanda, Venkat Rao; Pais, Godwin; Hashimoto, Akihiro; Wang, Qiuping; Chen, Dawei; Wang, Xiangzhu; Agarwal, Atul; Deshpande, Milind; Phadke, Avinash S.; Wiles, Jason Allan; US2015/239920; (2015); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

The important role of C6H5BrFN

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Bromo-2-fluoroaniline, and friends who are interested can also refer to it.

Electric Literature of 58534-95-5, 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. 58534-95-5 name is 3-Bromo-2-fluoroaniline, 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.

A solution of 3-bromo-2-fluoroaniline (1.00 g, 5.26 mmol) in formic acid (1.99 mL, 52.6 mmol) was heated at 90 C. for 16 h. The mixture was cooled to room temperature and partitioned between EtOAc and water. The organic phase was washed sequentially with saturated aqueous NaHCO3 and brine, dried and concentrated to provide N-(3-bromo-2-fluorophenyl)formamide as a beige solid (1.02 g, 89% yield). Mass spectrum m/z 218, 220 (M+H)+. 1H NMR (400 MHz, CDCl3) delta 8.50 (s, 1H), 8.40-8.17 (m, 1H), 7.53-7.41 (m, 1H), 7.31 (ddd, J=8.0, 6.6, 1.4 Hz, 1H), 7.05 (td, J=8.2, 1.4 Hz, 1H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 3-Bromo-2-fluoroaniline, and friends who are interested can also refer to it.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; Liu, Qingjie; Watterson, Scott Hunter; Batt, Douglas G.; Ahmad, Saleem; Beaudoin Bertrand, Myra; Gong, Hua; Guo, Weiwei; Macor, John E.; Ngu, Khehyong; Tebben, Andrew J.; Tino, Joseph A.; (177 pag.)US2016/115126; (2016); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Simple exploration of 58534-95-5

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Bromo-2-fluoroaniline, its application will become more common.

Synthetic Route of 58534-95-5,Some common heterocyclic compound, 58534-95-5, name is 3-Bromo-2-fluoroaniline, molecular formula is C6H5BrFN, 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.

Step 4ATo a solution of 3-bromo-2-fluoroaniline 4a (228 mg) in DCM (5 ml) were added 2,6-difluorobenzene-1-sulfonyl chloride (280 mg), pyridine (120 mg) and DMAP (3 mg). The reaction mixture was stirred overnight at room temperature. iN HC1 was added toquench the reaction, and then the organic phase was washed with brine, dried over Na2504, filtered and concentrated. The residue was purified by chromatography to give desired product 4b (200 mg 47% yield).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Bromo-2-fluoroaniline, its application will become more common.

Reference:
Patent; ETERNITY BIOSCIENCE INC.; LIU, Dong; ZHANG, Minsheng; WO2014/182873; (2014); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Extended knowledge of 58534-95-5

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-Bromo-2-fluoroaniline, other downstream synthetic routes, hurry up and to see.

Reference of 58534-95-5, 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. 58534-95-5, name is 3-Bromo-2-fluoroaniline belongs to bromides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

A mixture of 3-bromo-2-fluoro-phenylamine (6.52 g, 33.63 mmol), bis(pinacolato)diboron (10.45 g, 41.14 mmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(ll), complex with dichloromethane (1 :1) (1.12 g, 1.37 mmol) and potassium acetate (10.1 g, 103.06 mmol) in dry DMF (65 mL) was heated at 100C under an atmosphere of nitrogen for 7 hours. The reaction was allowed to cool to room temperature, diluted with AcOEt and filtered through celite. The organic was washed with water, brine, dried over Na2SO4 and evaporated. The crude was purified by silica gel chromatography which was eluted with hexane:AcOEt = 8:2 to afford 2-fluoro-3-(4,4,5,5- tetramethyl-[1 ,3,2]dioxaborolan-2-yl)-phenylamine (6.90 g) as white solid.

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-Bromo-2-fluoroaniline, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; NERVIANO MEDICAL SCIENCES S.R.L.; BINDI, Simona; CARENZI, Davide; MOTTO, Ilaria; PULICI, Maurizio; (83 pag.)WO2017/220477; (2017); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Simple exploration of 58534-95-5

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-Bromo-2-fluoroaniline, other downstream synthetic routes, hurry up and to see.

Application of 58534-95-5, 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. 58534-95-5, name is 3-Bromo-2-fluoroaniline belongs to bromides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

To a solution of 3-bromo-2-fluorobenzenamine (1.9 g, 10 mmol) in DMF (10 mL) at RT, was added NCS (1.4 g, 10.5 mmol) and the resulting mixture was stirred at RT for 16 h. The mixture was poured into ice water and extracted with ethyl acetate. The organic layer was washed with brine, dried over Na2S04 and concentrated in vacuo. The residue was purified by column chromatography on silica gel (petroleum ether/ethyl acetate = 30: 1) to afford the desired product (1.15 g, 51% yield). ESI- MSm/z: 225.9 [M + 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-Bromo-2-fluoroaniline, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; ARAXES PHARMA LLC; LI, Liansheng; FENG, Jun; LONG, Yun, Oliver; LIU, Yuan; WU, Tao; REN, Pingda; LIU, Yi; (136 pag.)WO2017/15562; (2017); A1;,
Bromide – Wikipedia,
bromide – Wiktionary

Application of 3-Bromo-2-fluoroaniline

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-Bromo-2-fluoroaniline, other downstream synthetic routes, hurry up and to see.

Adding a certain compound to certain chemical reactions, such as: 58534-95-5, name is 3-Bromo-2-fluoroaniline, 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 58534-95-5, SDS of cas: 58534-95-5

A mixture of 3-bromo-2-fluoroaniline (111, 10 g), (3-chloropyridin-2-yl)boronic acid (121, 20 g), K2CO3 (30 g) and Pd(dppf Cl2 (6.42 g) in solvent (dioxane 130 mL, H2O 33 mL) was purged with argon in a pressure vessel for 5 min and stirred for 15 h at 100 C. The solvent was removed under reduced pressure and the residue was purified by flash column chromatography over silica gel. The purified material was then dissolved in MeOH and treated with HCl/MeOH. The solvent was removed and the solid was washed with IPA-heptane (1/1) to afford 3-(3-chloropyridin-2-yl)-2-fluoroaniline hydrochloride (122).

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-Bromo-2-fluoroaniline, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; ACHILLION PHARMACEUTICALS, INC.; WILES, Jason, Allan; PHADKE, Avinash, S.; DESHPANDE, Milind; AGARWAL, Atul; CHEN, Dawei; GADHACHANDA, Venkat, Rao; HASHIMOTO, Akihiro; PAIS, Godwin; WANG, Qiuping; WANG, Xiangzhu; (337 pag.)WO2017/35349; (2017); A1;,
Bromide – Wikipedia,
bromide – Wiktionary