9/26/2021 News Extended knowledge of 13726-21-1

The chemical industry reduces the impact on the environment during synthesis 2-(4-Chloro-3-methoxyphenyl)acetonitrile. I believe this compound will play a more active role in future production and life.

Electric Literature of 13726-21-1, 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. 13726-21-1, name is 2-(4-Chloro-3-methoxyphenyl)acetonitrile, This compound has unique chemical properties. The synthetic route is as follows.

KOtBu (370 g, 3.3 mol) was dissolved in THF (1.7 L) and stirred at -20 C. After 30 min, to the reaction mixture was added 2-(4-chloro-3-methoxyphenyl)acetonitrile (13) (240 g, 1.32 mol) in THF (0.5 L) and then the resulting mixture was stirred for additional 30 min at the same temperature. CH3I (563 g, 3.96 mol) was added and the mixture was slowly warm to room temperature over 2 h with mechanical stirring. The reaction mixture was quenched with water in ice-bath and extracted with EtOAc (1.5 L x 2). The combined organic layers were washed with brine (3 L), dried over anhydrous MgS04, filtered and concentrated under reduced pressure to give 2-(4-chloro-3-methoxyphenyl)-2-methylpropanenitrile (14) as a amber liquid (269 g, 97%). 1H NMR (400MHz, CDC13): delta 7.35-7.37 (d, 1H), 7.05 (s, 1H), 6.95-6.97 (d, 1H), 3.94 (s, 3H), 1.72 (s, 6H).

The chemical industry reduces the impact on the environment during synthesis 2-(4-Chloro-3-methoxyphenyl)acetonitrile. I believe this compound will play a more active role in future production and life.

Reference:
Patent; EXELIXIS, INC.; BOLLU, Venkataiah; BOREN, Brant, Clayton; DALGARD, Jackline; FLATT, Brenton, T.; HAQ, Nadia; HUDSON, Sarah; MOHAN, Raju; MORRISSEY, Michael; PRATT, Benjamin; WO2011/71565; (2011); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Extended knowledge of 2-(4-Chloro-3-methoxyphenyl)acetonitrile

The chemical industry reduces the impact on the environment during synthesis 2-(4-Chloro-3-methoxyphenyl)acetonitrile. I believe this compound will play a more active role in future production and life.

Application of 13726-21-1, 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. 13726-21-1, name is 2-(4-Chloro-3-methoxyphenyl)acetonitrile, This compound has unique chemical properties. The synthetic route is as follows.

KOtBu (370 g, 3.3 mol) was dissolved in THF (1.7 L) and stirred at -20 C. After 30 min, to the reaction mixture was added 2-(4-chloro-3-methoxyphenyl)acetonitrile (13) (240 g, 1.32 mol) in THF (0.5 L) and then the resulting mixture was stirred for additional 30 min at the same temperature. CH3I (563 g, 3.96 mol) was added and the mixture was slowly warm to room temperature over 2 h with mechanical stirring. The reaction mixture was quenched with water in ice-bath and extracted with EtOAc (1.5 L x 2). The combined organic layers were washed with brine (3 L), dried over anhydrous MgS04, filtered and concentrated under reduced pressure to give 2-(4-chloro-3-methoxyphenyl)-2-methylpropanenitrile (14) as a amber liquid (269 g, 97%). 1H NMR (400MHz, CDC13): delta 7.35-7.37 (d, 1H), 7.05 (s, 1H), 6.95-6.97 (d, 1H), 3.94 (s, 3H), 1.72 (s, 6H).

The chemical industry reduces the impact on the environment during synthesis 2-(4-Chloro-3-methoxyphenyl)acetonitrile. I believe this compound will play a more active role in future production and life.

Reference:
Patent; EXELIXIS, INC.; BOLLU, Venkataiah; BOREN, Brant, Clayton; DALGARD, Jackline; FLATT, Brenton, T.; HAQ, Nadia; HUDSON, Sarah; MOHAN, Raju; MORRISSEY, Michael; PRATT, Benjamin; WO2011/71565; (2011); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Brief introduction of 13726-21-1

Statistics shows that 2-(4-Chloro-3-methoxyphenyl)acetonitrile is playing an increasingly important role. we look forward to future research findings about 13726-21-1.

Related Products of 13726-21-1, These common heterocyclic compound, 13726-21-1, name is 2-(4-Chloro-3-methoxyphenyl)acetonitrile, 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.

BBr3 (17 g, 66 mmol) was slowly added to a solution of 2-(4-chloro-3-methoxyphenyl)acetonitrile (12 g, 66 mmol) in dichloromethane (120 mL) at -78 C. under N2. The reaction temperature was slowly increased to room temperature. The reaction mixture was stirred overnight and then poured into ice and water. The organic layer was separated, and the aqueous layer was extracted with dichloromethane (40 mL*3). The combined organic layers were washed with water, brine, dried over Na2SO4, and concentrated under vacuum to give (4-chloro-3-hydroxy-phenyl)-acetonitrile (9.3 g, 85%). 1H NMR (300 MHz, CDCl3) delta 7.34 (d, J=8.4 Hz, 1H), 7.02 (d, J=2.1 Hz, 1H), 6.87 (dd, J=2.1, 8.4 Hz, 1H), 5.15 (brs, 1H), 3.72 (s, 2H).

Statistics shows that 2-(4-Chloro-3-methoxyphenyl)acetonitrile is playing an increasingly important role. we look forward to future research findings about 13726-21-1.

Reference:
Patent; Vertex Pharmaceuticals Incorporated; Van Goor, Fredrick F.; Burton, William Lawrence; US2015/231142; (2015); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Continuously updated synthesis method about 13726-21-1

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-Chloro-3-methoxyphenyl)acetonitrile, other downstream synthetic routes, hurry up and to see.

Application of 13726-21-1, 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. 13726-21-1, name is 2-(4-Chloro-3-methoxyphenyl)acetonitrile belongs to nitriles-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below.

Gaseous HCl was slowly bubbled into a cooled solution of 4-chloro-3-methoxyacetonitrile (9b) in toluene (10 mL), ether (10 mL) and EtOH (1 mL) for about 10 min. The reaction was stoppered and stored at -30 C. for one week. TLC failed to detect any remaining starting material. The solvent was evaporated and the yellow solid was stirred with Et2O, filtered and washed with Et2O and dried in a vacuum oven to yield 0.57 g (90%) of ethyl 4-chloro-3-methoxyphenylmethylimidate (9d).

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-Chloro-3-methoxyphenyl)acetonitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Roche Palo Alto LLC; US2004/192704; (2004); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Discovery of 2-(4-Chloro-3-methoxyphenyl)acetonitrile

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.

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. 13726-21-1, name is 2-(4-Chloro-3-methoxyphenyl)acetonitrile, A new synthetic method of this compound is introduced below., Application In Synthesis of 2-(4-Chloro-3-methoxyphenyl)acetonitrile

(4-Chloro-3-hydroxy-phenyl)acetonitrile BBr3 (17 g, 66 mmol) was slowly added to a solution of 2-(4-chloro-3-methoxyphenyl)acetonitrile (12 g, 66 mmol) in dichloromethane (120 mL) at -78 C. under N2. The reaction temperature was slowly increased to room temperature. The reaction mixture was stirred overnight and then poured into ice and water. The organic layer was separated, and the aqueous layer was extracted with dichloromethane (40 mL*3). The combined organic layers were washed with water, brine, dried over Na2SO4, and concentrated under vacuum to give (4-chloro-3-hydroxy-phenyl)-acetonitrile (9.3 g, 85%). 1H NMR (300 MHz, CDCl3) delta 7.34 (d, J=8.4 Hz, 1H), 7.02 (d, J=2.1 Hz, 1H), 6.87 (dd, J=2.1, 8.4 Hz, 1H), 5.15 (brs, 1H), 3.72 (s, 2H).

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; Vertex Pharmaceuticals Incorported; US2011/98311; (2011); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

New learning discoveries about 13726-21-1

The synthetic route of 13726-21-1 has been constantly updated, and we look forward to future research findings.

Related Products of 13726-21-1, These common heterocyclic compound, 13726-21-1, name is 2-(4-Chloro-3-methoxyphenyl)acetonitrile, 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.

The third process; (4-Chloro-3-methoxyphenyl) acetic acid methyl ester; Potassium hydroxide (5.86 g) was dissolved in water (25 ml) and the mixture was added to a solution of 4-chloro-3-methoxyphenylacetonitrile (3.80 g) in ethanol (80 ml) at room temperature. The reaction solution was refluxed for 1.5 hours. After cooling, concentrated hydrochloric acid (8.8 ml) and water (50 ml) were added to the reaction solution and the mixture was extracted with ethyl acetate. The organic layer was washed with brine, and dried over magnesium sulphate. The solvent was evaporated under reduced pressure. The obtained residue was dissolved in methanol (100 ml) and concentrated sulphuric acid was added thereto. The mixture was refluxed for 1.45 hours. After cooling, the reaction solvent was evaporated under reduced pressure and water was added thereto. The mixture was extracted with ethyl acetate. The organic layer was washed with brine, and dried over magnesium sulphate. The solvent was evaporated under reduced pressure to give a title compound (4.43 g). The yield was 99 %. 1H-NMR (CDCl3) delta: 3.61(2H,s), 3.71(3H,s), 3.91(3H,s), 6.81(1H,dd,J=1.8,8.1Hz), 6.87(1H,d,J=1.8Hz), 7.30(1H,d,J=8.1Hz).

The synthetic route of 13726-21-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Shionogi Co., Ltd.; EP1887000; (2008); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts