Category: 2106-02-7

These common heterocyclic compound, 2106-02-7, name is 2-Chloro-4-fluoroaniline, 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. Product Details of 2106-02-7

Step 1: 2-Chloro-4-fluoroaniline (3.0 g, 20.6 mmol) and 4-fluoro-1-bromo benzene (3.6 g, 20.6 mmol) were added to NaOfBu (9.9 g, 103.0 mmol), Pd(OAc)2 (0.231 g, 1.03 mmol) and [HPtBu3][BF4] (0.42 g, 1.4 mmol) suspended in toluene (120 mL). The reaction was then heated to reflux for 18 h, allowed to cool and concentrated to remove toluene. The residue was extracted with dichloromethane (2 X 100 mL), dried (Na2S04), then filtered and the solvent removed under reduced pressure. The crude product was purified by column chromatography using silica gel 230-400 mesh to get the desired colorless product 2-chloro-4-fluoro-A-(4- fluorophenyl)aniline (2.0 g, 41%). GC MS: (Method B) 239.0 (M+H), RT- 4.73 min H NMR (400 MHz, DMSO-d6): delta 7.28 (s, 1H), 7.01-7.16 (m, 5H), 6.89-6.88 (m, 1 H), 5.84 (s, 1H).

The synthetic route of 2-Chloro-4-fluoroaniline has been constantly updated, and we look forward to future research findings.

Reference:
Patent; MERCK PATENT GMBH; SPANGENBERG, Thomas; (129 pag.)WO2016/827; (2016); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthetic Route of 2106-02-7,Some common heterocyclic compound, 2106-02-7, name is 2-Chloro-4-fluoroaniline, molecular formula is C6H5ClFN, 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 (S)-1-(1-(3-chlorophenyl)-2-hydroxyethyl)-3-(1-(2-chloropyrimidin-4-yl)-1H-pyrazol-4-yl)urea (0.02 g, 0.05 mmol), 2-chloro-4-fluoroaniline (0.009 g, 0.6 mmol), potassium carbonate (0.01 g, 0.075 mmol), and dioxane (2 mL) in a glass tube was purged with nitrogen gas for 20 min. Tris(dibenzylideneacetone)dipalladium(0) (0.002 g, 0.0025 mmol) and BINAP (0.003 g, 0.005 mmol) were added to the reaction mixture, which was purged with nitrogen gas for another 15 min. The tube was sealed and heated at 90 C. for 4 hours. Reaction mixture was filtered through Celite, and filtrate was evaporated; residue was suspended in water, and extracted with ethyl acetate. Organic layer was dried over sodium sulfate, evaporated, and the residue was purified by column chromatography over silica gel using 60% ethyl acetate in hexanes as eluent to give (S)-1-(1-(2-((2-chloro-4-fluorophenyl)amino)pyrimidin-4-yl)-1H-pyrazol-4-yl)-3-(1-(3-chlorophenyl)-2-hydroxyethyl)urea (0.003 g, 12%). 1HNMR (400 MHz, CDCl3, plus a few drops MeOD): 8.50 (s, 1H), 8.33 (d, J=5.2 Hz, 1H), 8.27-8.25 (m, 1H), 7.51 (s, 1H), 7.28-7.19 (m, 1H), 7.23-7.12 (m, 3H), 7.12-7.10 (m, 1H) 7.04-6.99 (m, 1H), 6.23 (d, J=6.8 Hz, 1H) 4.87-4.84 (m, 1H), 3.81-3.77 (m, 1H), 3.64-3.61 (m, 1H). LC-MS calcd exact mass 501.09, found m/z 502.3 [M+H]+. HPLC purity 98.17%.

The synthetic route of 2106-02-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Asana Biosciences, LLC; Venkatesan, Aranapakam M.; Thompson, Scott K.; Smith, Roger A.; Reddy, Sanjeeva P.; (166 pag.)US2016/362407; (2016); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Adding a certain compound to certain chemical reactions, such as: 2106-02-7, name is 2-Chloro-4-fluoroaniline, belongs to chlorides-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 2106-02-7, category: chlorides-buliding-blocks

To a solution of methyl 1-(2-chloro-5-methylpyrimidin-4-yl)-1H-pyrrole-3-carboxylate (0.3 g, 0.1195 mmol) in dioxane (10 mL) were added 2-chloro-4-fluoroaniline (0.17 g, 0.1195 mmol) and potassium carbonate (0.24 g, 1.17 mmol). The resulting reaction mixture was purged with nitrogen gas for 15 min, then 2,2′-bis(diphenylphosphino)-1,1′-binaphthyl(0.074 g, 0.119 mmol) and palladium(dibenzylidineacetone)dipalladium(0) (0.054 g, 0.059 mmol) were added. The reaction mixture was stirred at 100 C. for 12 h. The reaction mixture was diluted with ethyl acetate (200 mL) and filtered through Celite bed. The bed was washed with ethyl acetate (2*50 mL). The filtrate was washed several times with cold water and then with brine. The organic layer was dried over sodium sulfate, filtered and evaporated under reduced pressure. The residue was purified by gradient column chromatography using ethyl acetate in hexane as eluent to afford methyl 1-(2-((2-chloro-4-fluorophenyl)amino)-5-methylpyrimidin-4-yl)-1H-pyrrole-3-carboxylate as an off-white solid (0.25 g, 58%). 1HNMR (400 MHz, CDCl3): delta 8.40-8.36 (m, 2H), 7.95 (s, 1H), 7.51 (s, 1H), 7.40-7.34 (m, 1H), 7.19-7.16 (m, 1H), 7.07-6.99 (m, 1H), 6.77-6.76 (m, 1H), 3.86 (s, 3H), 2.40 (s, 3H). LC-MS calcd exact mass 360.08, found m/z 361.3 [M+H]+.

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

Reference:
Patent; Asana Biosciences, LLC; Venkatesan, Aranapakam M.; Thompson, Scott K.; Smith, Roger A.; Reddy, Sanjeeva P.; (166 pag.)US2016/362407; (2016); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Adding a certain compound to certain chemical reactions, such as: 2106-02-7, name is 2-Chloro-4-fluoroaniline, belongs to chlorides-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 2106-02-7, Product Details of 2106-02-7

[3452] A solution of 2-chloro-4-fluoroaniline ( 1.000 g, 6.870 mmol), methyl 4-(bromomethyl)-3-fluorobenzoate ( 1.867 g, 7.557 mmol) and potassium carbonate ( 1.899 g, 13.740 mmol) in acetonitrile ( 10 mL) was stirred at the room temperature for 15 hr, filtered to remove solids, and concentrated under the reduced pressure. The residue was chromatographed (Si02, 40 g cartridge; ethyl acetate / hexane = 0 % to 10 %) to give methyl 4-(((2-chloro-4-fluorophenyl)amino)methyl)-3-fluorobenzoate as green solid (0.974 g, 45.5 %).

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, 2-Chloro-4-fluoroaniline, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; CHONG KUN DANG PHARMACEUTICAL CORP.; LEE, Jaekwang; KIM, Yuntae; LEE, Chang Sik; SONG, Hyeseung; GWAK, Dal-Yong; LEE, Jaeyoung; OH, Jung Taek; LEE, Chang Gon; KIM, II Hyang; (1041 pag.)WO2017/23133; (2017); A2;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

These common heterocyclic compound, 2106-02-7, name is 2-Chloro-4-fluoroaniline, 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. Formula: C6H5ClFN

Preparation 38 2-Chloro-4-fluoro-N-(4-fluorophenyl)aniline A round bottom flask was charged with 1-bromo-4-fluorobenzene (6.011 g, 34.4 mmol), 2-chloro-4-fluoroaniline (5.000 g, 34.3 mmol), Xantphos (0.795 g, 1.4 mmol), anhydrous toluene (200 mL), and sodium tert-butoxide (4.952 g, 51.5 mmol). The mixture was degassed and filled with nitrogen, and then tris(dibenzylideneacetone)dipalladium(0) (0.944 g, 1.0 mmol) was added and the reaction was stirred under nitrogen at 100 C. for 16 hrs. After cooling to room temperature, the mixture was filtered through Celite and the filter cake washed with methylene chloride. The filtrate was concentrated and the residue purified by silica gel chromatography (0-20% ethyl acetate/hexanes) to afford a yellowish oil (5.63 g, 68%). 1H NMR (300 MHz, CDCl3) delta 7.14 (dd, 1H, J=8.4, 3.0 Hz), 7.12-6.98 (m, 5H), 6.88 (td, 1H, J=8.7, 3.0 Hz), 5.80 (br s, 1H).

The synthetic route of 2-Chloro-4-fluoroaniline has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Bersot, Ross; Humphries, Paul; US2013/303524; (2013); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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. 2106-02-7, name is 2-Chloro-4-fluoroaniline belongs to chlorides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Product Details of 2106-02-7

Step A: Into a 20-L 4-neck round flask was placed a solution of 2-chloro-4- fluorobenzenamine (1300 g, 8.82 mol, 1.00 equiv, 99%) in toluene (10 L), 4- methylbenzenesulfonic acid (3.1 g, 17.84 mmol, 99%), and hexane-2,5-dione (1222.5 g, 10.62 mol, 1.20 equiv, 99%). The resulting solution was heated to reflux for 1 h in an oil bath and cooled. The pH value of the solution was adjusted to 8 with sodium carbonate (1 mol/L). The resulting mixture was washed with 1×5000 mL of water and concentrated under vacuum. The crude product was purified by distillation and the fraction was collected at 140 0C to afford l-(2- chloro-4-fluorophenyl)-2,5-dimethyl-lH-pyrrole (1700 g, yield: 85%).

The synthetic route of 2106-02-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GENENTECH, INC.; ALIAGAS, Ignacio; GRADL, Stefan; GUNZNER, Janet; MATHIEU, Simon; PULK, Rebecca; RUDOLPH, Joachim; WEN, Zhaoyang; WO2011/25965; (2011); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Reference of 2106-02-7,Some common heterocyclic compound, 2106-02-7, name is 2-Chloro-4-fluoroaniline, molecular formula is C6H5ClFN, 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 microwave tube was charged with 2-(9-bromo-4,5-dihydro-6-oxa-1-thia-benzo[e]azulen-2-yl)-[1,3,4]oxadiazole (0.64 g; 1.83 mmol), 2-chloro-4-fluoroaniline (0.44 ml; 3.68 mmol), TFA (0.27 ml; 3.63 mmol) and toluene (5 ml). The mixture was heated in a microwave at 160 C. for 30 min., diluted with EtOAc (150 ml) and washed with satd. NaHCO3. The organic layer was dried (MgSO4), concentrated and purified by ISCO to give 267 as a cream-coloured solid (0.59 g; 68%). deltaH (400 MHz, CDCl3) 3.14 (t, J=5.2, 2H), 4.29 (t, J=5.2, 2H), 6.91 (d, J=8.4, 1H), 6.93 (s, 1H), 7.22-7.27 (m, 2H), 7.43-7.51 (m, 2H), 7.65 (d, J=2.4, 1H), 8.22 (s, 1H). [M+H]+: 478

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2-Chloro-4-fluoroaniline, its application will become more common.

Reference:
Patent; Genentech, Inc.; US2009/247567; (2009); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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. 2106-02-7, name is 2-Chloro-4-fluoroaniline, A new synthetic method of this compound is introduced below., Quality Control of 2-Chloro-4-fluoroaniline

Step 1 4-r2-Chloro-4-fluorophenylaminoV5.6.3′.4′.5′.6′-hexahvdro-2’H-?a’1bipyridinyl-2- one [l,r]-Bipiperidinyl-2,4-dione (2.00 g, 10.19 mmol) was dissolved in toluene (8 ml) and 2- chloro-4-fluorophenylamine (1.78 g, 12.23 mmol) was added. More toluene (5 ml) was added. The reaction mixture was boiled under reflux at 110 C for 17 h then allowed to cool. When the reaction mixture reached rt the product precipitated and it was collected by filtration to yield a beige solid (1.80 g, 55%). 1H-NMR (400 MHz, CDCl3) delta 7.41-7.32 (IH, m), 7.18-7.09 (IH, m), 7.00-6.90 (IH, m), 5.51 (IH, s), 5.11 (IH, s), 3.54 (2H, t), 3.38-2.67 (4H, br), 2.57 (2H, t), 1.74-1.50 (4H, m), 1.43-1.30 (2H, m).

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:
Patent; ASTRAZENECA AB; ASTRAZENECA UK LIMITED; WO2008/96151; (2008); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthetic Route of 2106-02-7, 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. 2106-02-7, name is 2-Chloro-4-fluoroaniline belongs to chlorides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

a 2-Chloro-4-fluorophenylisothiocyanate Into a solution of 2-chloro-4-fluoroaniline (500 mg, 3.44 mmol) in a mixture of chloroform and water (10 mL/10 mL) at room temperature, thiophosgene (0.53 mL, 6.88 mmol) and sodium bicarbonate (1.09 g, 10.32 mmol) were added. The mixture was stirred at room temperature for 16 hours. The mixture was partitioned between chloroform and water. The combined organic layer was then concentrated to give the desired product (586 mg, 91%). 1H NMR (CDCl3) delta 6.98 (m, 1H), 7.20 (m, 2H).

The synthetic route of 2-Chloro-4-fluoroaniline has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Palovich, Michael R.; Widdowson, Katherine L.; Nie, Hong; US2003/216375; (2003); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

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. 2106-02-7, name is 2-Chloro-4-fluoroaniline, A new synthetic method of this compound is introduced below., Product Details of 2106-02-7

Acetic anhydride (20 ml) and 2-chloro-4-fluoro-aniline (4.22 g, 29 mmol) were successively added in a 100 ml flask at 100 C for 1 h.After completion of the reaction, the reaction mixture was poured into water, and extracted with ethyl acetate three times, and the organic phase was combined.The organic phase is washed successively with saturated aqueous sodium hydrogencarbonate solution and saturated brine.The organic phase was dried over anhydrous sodium sulfate and concentrated. The title compound was obtained after column chromatography, 2.81 g, yield: 43.29%.

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:
Patent; Jinan University; Ding Ke; Lu Xiaoyun; Mo Cheng; Li Xueqiang; Ren Xiaomei; Zhang Zhang; Tu Zhengchao; Luo Jinfeng; Jie Fuli.bulusi.simeier; Ya Dang.feng.patesen; (30 pag.)CN108503593; (2018); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics