16-Sep-2021 News New downstream synthetic route of 52798-01-3

According to the analysis of related databases, 52798-01-3, 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 52798-01-3 as follows. Computed Properties of C10H9NO2

To a solution of methyl (4-cyanophenyl)acetate (4.00 g, 27.8 mmol) in MeOH (20 mL), hydroxylamine hydrochloride (3.17 g, 45.7 mmol) and NaHCO3 (3.84 g, 45.7 mmol) is added. The suspension is stirred at 60 C. for 18 h before it is filtered and the filtrate is concentrated. The residue is dissolved in DCM, washed with water followed by brine, dried over MgSO4, filtered, concentrated and dried to give methyl [4-(N-hydroxycarbamimidoyl)-phenyl]-acetate (3.67 g) as a colourless oil; LC-MS: tR=0.50 min, [M+1]+=209.05.

According to the analysis of related databases, 52798-01-3, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Actelion Pharmaceuticals Ltd.; US2010/63108; (2010); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

9/10/2021 News Some tips on 52798-01-3

Statistics shows that Methyl (4-cyanophenyl)acetate is playing an increasingly important role. we look forward to future research findings about 52798-01-3.

Reference of 52798-01-3, These common heterocyclic compound, 52798-01-3, name is Methyl (4-cyanophenyl)acetate, 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.

(4-Cyano-phenyl)-acetic acid methylester (1.054 g, 6.02 mmol), hydroxylamine hydrochloride (0.690 g, 9.93 mmol) and sodium bicarbonate (0.834 g, 9.93 mmol) were dissolved in MeOH (12.03 mL) at RT. The mixture was stirred at 60 C for 5 h, diluted with EtOAc (200 mL) and 40 ml water added. The aqueous layer was extracted with EtOAc (100 mL). The combined organic phases were washed with brine (40 mL) and dried over sodium sulfate. Solvent was removed to yield 1.2 g (5.76 mmol) of yellow oil, which was dried on high vacuum over night. The crude mixture was used without further purification.

Statistics shows that Methyl (4-cyanophenyl)acetate is playing an increasingly important role. we look forward to future research findings about 52798-01-3.

Reference:
Patent; NOVARTIS AG; HEBACH, Christina; JOLY, Emilie; KALLEN, Joerg; TERNOIS, James Gilbert; TINTELNOT-BLOMLEY, Marina; WO2013/8162; (2013); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Introduction of a new synthetic route about C10H9NO2

The synthetic route of 52798-01-3 has been constantly updated, and we look forward to future research findings.

Related Products of 52798-01-3, A common heterocyclic compound, 52798-01-3, name is Methyl (4-cyanophenyl)acetate, molecular formula is C10H9NO2, 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.

a. Methyl 2-(4-cyanophenyl)-tert.butyl malonate 1.7 g (0.01 mol) of methyl 4-cyanophenylacetate are dissolved in 30 ml tetrahydrofuran, 0.48 g (0.01 mol) of sodium hydride (60% in oil) are added in batches thereto and stirred for 15 minutes at 60 C. Then 1.5 ml (0.01 mol) of tert.butyl bromoacetate are added dropwise at ambient temperature. The reaction mixture is refluxed for 5 hours, cooled and poured onto water and extracted with methylene chloride. The combined organic extracts are dried and evaporated down. The residue is chromatographed on silica gel and eluted with petroleum ether/ethyl acetate (4:1). Yield: 1.5 g (52% of theory), Rf value: 0.7 (silica gel; petroleum ether/ethyl acetate=7:3).

The synthetic route of 52798-01-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Boehringer Ingelheim Pharma KG; US6114532; (2000); A;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

The origin of a common compound about 52798-01-3

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. 52798-01-3, name is Methyl (4-cyanophenyl)acetate, A new synthetic method of this compound is introduced below., Product Details of 52798-01-3

Step S2:Compound 2 (212 g) was added to the reactor under nitrogen, and THF (3 L) and PMHS (269 g) were added and cooled to 0 C;NaBEt3H (120.7 g) was added dropwise with stirring at 0 to 10 C, warmed to room temperature and stirred for 20 hours (the product of this stage was analyzed by IPC).Cool to 0 ~ 10 C, slowly add 500 ml of methanol at 0 C, add 2 L of saturated NaCl aqueous solution,Stir for 15 minutes, separate, and the aqueous phase was extracted with 1L ethyl acetate.The combined organic layers were dried over Na2SO4, concentrated, and then applied107 g of Compound 3 (IPC retention time: 1.61 min) was obtained as a yellow solid.

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; Huidingzhiyao (Beijing) Technology Co., Ltd.; Wang Zaiqi; Yang Lihu; (20 pag.)CN108864114; (2018); A;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

New downstream synthetic route of 52798-01-3

According to the analysis of related databases, 52798-01-3, 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 52798-01-3 as follows. Product Details of 52798-01-3

To a solution of methyl (4-cyanophenyl)acetate (4.00 g, 27.8 mmol) in MeOH (20 mL), hydroxylamine hydrochloride (3.17 g, 45.7 mmol) and NaHCO3 (3.84 g, 45.7 mmol) is added. The suspension is stirred at 60 C. for 18 h before it is filtered and the filtrate is concentrated. The residue is dissolved in DCM, washed with water followed by brine, dried over MgSO4, filtered, concentrated and dried to give methyl [4-(N-hydroxycarbamimidoyl)-phenyl]-acetate (3.67 g) as a colourless oil; LC-MS: tR=0.50 min, [M+1]+=209.05.

According to the analysis of related databases, 52798-01-3, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Actelion Pharmaceuticals Ltd.; US2010/63108; (2010); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

New downstream synthetic route of 52798-01-3

According to the analysis of related databases, 52798-01-3, 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 52798-01-3 as follows. Product Details of 52798-01-3

To a solution of methyl (4-cyanophenyl)acetate (4.00 g, 27.8 mmol) in MeOH (20 mL), hydroxylamine hydrochloride (3.17 g, 45.7 mmol) and NaHCO3 (3.84 g, 45.7 mmol) is added. The suspension is stirred at 60 C. for 18 h before it is filtered and the filtrate is concentrated. The residue is dissolved in DCM, washed with water followed by brine, dried over MgSO4, filtered, concentrated and dried to give methyl [4-(N-hydroxycarbamimidoyl)-phenyl]-acetate (3.67 g) as a colourless oil; LC-MS: tR=0.50 min, [M+1]+=209.05.

According to the analysis of related databases, 52798-01-3, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Actelion Pharmaceuticals Ltd.; US2010/63108; (2010); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Some tips on 52798-01-3

Statistics shows that Methyl (4-cyanophenyl)acetate is playing an increasingly important role. we look forward to future research findings about 52798-01-3.

Related Products of 52798-01-3, These common heterocyclic compound, 52798-01-3, name is Methyl (4-cyanophenyl)acetate, 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.

(4-Cyano-phenyl)-acetic acid methylester (1.054 g, 6.02 mmol), hydroxylamine hydrochloride (0.690 g, 9.93 mmol) and sodium bicarbonate (0.834 g, 9.93 mmol) were dissolved in MeOH (12.03 mL) at RT. The mixture was stirred at 60 C for 5 h, diluted with EtOAc (200 mL) and 40 ml water added. The aqueous layer was extracted with EtOAc (100 mL). The combined organic phases were washed with brine (40 mL) and dried over sodium sulfate. Solvent was removed to yield 1.2 g (5.76 mmol) of yellow oil, which was dried on high vacuum over night. The crude mixture was used without further purification.

Statistics shows that Methyl (4-cyanophenyl)acetate is playing an increasingly important role. we look forward to future research findings about 52798-01-3.

Reference:
Patent; NOVARTIS AG; HEBACH, Christina; JOLY, Emilie; KALLEN, Joerg; TERNOIS, James Gilbert; TINTELNOT-BLOMLEY, Marina; WO2013/8162; (2013); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Extracurricular laboratory: Synthetic route of Methyl (4-cyanophenyl)acetate

Statistics shows that Methyl (4-cyanophenyl)acetate is playing an increasingly important role. we look forward to future research findings about 52798-01-3.

Synthetic Route of 52798-01-3, These common heterocyclic compound, 52798-01-3, name is Methyl (4-cyanophenyl)acetate, 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.

Concentrated hydrochloric acid (37%, 259 mg) was added dropwise to a mixture of methyl 2- (4-cyanophenyl) acetate (3.2 g, 18.3 mmol) and10% palladium on carbon catalyst (175 mg) in 50 ml of methanol.Hydrogen gas was bubbled in and stirred for 12 hours at room temperature.Excess catalyst was removed by filtration and the organic phase was distilled off under reduced pressure.The filtrate was concentrated under reduced pressure. The residue was dissolved in ethyl acetate (50 mL), washed with brine, dried and concentrated. The residue was purified by column chromatography (methylene chloride / methanol = 20/1) to give the title compound 2.29 g (70%).

Statistics shows that Methyl (4-cyanophenyl)acetate is playing an increasingly important role. we look forward to future research findings about 52798-01-3.

Simple exploration of 52798-01-3

The synthetic route of 52798-01-3 has been constantly updated, and we look forward to future research findings.

Related Products of 52798-01-3,Some common heterocyclic compound, 52798-01-3, name is Methyl (4-cyanophenyl)acetate, molecular formula is C10H9NO2, 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 methyl 4-cyanobenzeneacetate (2.646 g, 15.1 mmol) and iodomethane (2.4 ml) in N,N-dimethylformamide (50 ml) was slowly added 60% oily sodium hydride (1.55 g, 38.8 mmol) under ice-cooling. The reaction mixture was stirred for 2 hours at room temperature. The reaction solution was slowly added to ice water, and extracted with ethyl acetate. The extracts were washed with a saturated aqueous solution of sodium chloride, dried, and concentrated under reduced pressure. The residue was subjected to a silica gel column chromatography (ethyl acetate/hexane 3:1) to give the title compound (2.996 g, yield 98%). 1H NMR (CDCl3) delta 1.59 (6H, s), 3.67 (3H, s), 7.42-7.47 (2H, m), 7.61-7.65 (2H, m).

The synthetic route of 52798-01-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Takeda Pharmaceutical Company Limited; EP1541576; (2005); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Brief introduction of 52798-01-3

The synthetic route of 52798-01-3 has been constantly updated, and we look forward to future research findings.

52798-01-3, name is Methyl (4-cyanophenyl)acetate, belongs to nitriles-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. Safety of Methyl (4-cyanophenyl)acetate

a) To a solution of methyl (4-cyanophenyl)acetate (4.00 g, 27.8 mmol) in MeOH (20 ml_), hydroxylamine hydrochloride (3.17 g, 45.7 mmol) and NaHCO3 (3.84 g, 45.7 mmol) is added. The suspension is stirred at 600C for 18 h before it is filtered and the filtrate is concentrated. The residue is dissolved in DCM, washed with water followed by brine, dried over MgSO4, filtered, concentrated and dried to give methyl [4-(N-hydroxycarbamimidoyl)- phenyl]-acetate (3.67 g) as a colourless oil; LC-MS: tR = 0.50 min, [M+1]+ = 209.05.

The synthetic route of 52798-01-3 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ACTELION PHARMACEUTICALS LTD; WO2008/29370; (2008); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts