S-21 News Extended knowledge of 15205-11-5

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

Related Products of 15205-11-5, A common heterocyclic compound, 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, molecular formula is C7H7ClFN, 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.

Example 3 N-[(2-chloro-4-fluorophenyl)methyl]-1-ethyl-5-oxo-prolinamide (E3) Methyl 1-ethyl-5-oxo-prolinate (0.135 g, 0.79 mmol, prepared as described below) was dissolved in methanol (4 ml) and treated with 2M aqueous sodium hydroxide (0.592 ml, 1.18 mmol). The mixture was stirred for 4 hrs at room temperature and then evaporated to give a residue which was then treated with an excess of 1M hydrogen chloride in ether (~5 ml) for 10 minutes. The mixture was evaporated once more and the residue was dissolved in dichloromethane (4 ml) and dimethylformamide (2 ml) and filtered to remove solids. The resulting solution was transferred to a reaction tube and 1-hydroxybenzotriazole (0.117 g, 0.87 mmol), [(2-chloro-4-fluorophenyl)methyl]amine (0.138 g, 0.87 mmol) and N-(3-dimethylaminopropyl)-N’-ethylcarbodiimide hydrochloride (0.167 g, 0.87 mmol) were then added. The mixture was flushed with argon and then stirred at room temperature over the weekend. The mixture was then diluted with dichloromethane and washed sequentially with 2M aqueous hydrogen chloride and saturated aqueous sodium hydrogen carbonate. The organic layer was filtered through a phase separator and then evaporated to give the crude product. The crude material was purified by mass-directed automated HPLC to give pure N-[(2-chloro-4-fluorophenyl)methyl]-1-ethyl-5-oxo-prolinamide (0.086 g) as a white solid. LC/MS [M+H]+=299.1, retention time=2.13 minutes. Enantiomeric excess=100.0%, as determined by chiral chromatography method B, indicative of N-[(2-chloro-4-fluorophenyl)methyl]-1-ethyl-5-oxo-L-prolinamide retention time=8.05 minutes

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; US2008/9541; (2008); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

S-21 News Share a compound : 15205-11-5

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

Adding a certain compound to certain chemical reactions, such as: 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, 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 15205-11-5, Safety of 2-Chloro-4-fluorobenzylamine

Example 1; lambda/-[(2-chloro-4-fluorophenyl)methyl]-2-(1 ,4-dimethyl-1 H-pyrazol-5- yl)acetamide (E1); A mixture of (1 ,4-dimethyl-1 H-pyrazol-5-yl)acetic acid and (1 ,4-dimethyl-1H-pyrazol- 3-yl)acetic acid (1.2 g, 2.mmol, prepared as described below), 1- hydroxybenzotriazole hydrate (324 mg, 2.4 mmol), 1-ethyl-3-(3- dimethylaminopropyl)carbodiimide hydrochloride (460 mg, 2.4 mmol) and lambda/-ethyl morpholine (690 mg, 0.76 ml, 6 mmol) in dichloromethane (10 ml) was stirred at room temperature for 10 minutes. A solution of [(2-chloro-4- difluorophenyl)methyl]amine (319 mg, 2 mmol) in dichloromethane (1 ml) was added and the reaction stirred at room temperature for 4 hours. The reaction mixture was diluted with saturated sodium bicarbonate solution and dichloromethane. The organic layer was separated washed with water and brine, dried and evaporated. The residue was purified by column chromatography on silica gel eluting with ethyl acetate/hexane mixtures (1 :1 to neat ethyl acetate), followed by silica gel chromatography eluting with dichloromethane/methanol (40:1 ) to give lambda/-[(2-chloro-4- fluorophenyl)methyl]-2-(1 ,4-dimethyl-1 H-pyrazol-5-yl)acetamide.LC/MS [M+H]+ = 329, retention time = 2.35 minutes.

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

Reference:
Patent; GLAXO GROUP LIMITED; WO2008/125600; (2008); A2;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

16-Sep-2021 News Continuously updated synthesis method about 15205-11-5

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 15205-11-5.

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. 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, This compound has unique chemical properties. The synthetic route is as follows., COA of Formula: C7H7ClFN

To a stirred mixture of 1-(2-chloro-4-fluorophenyl)methanamine (80 mg, 0.501 mmol, 1 equiv.) and 4-chloro-5-(4-oxopiperidin-1-yl)-2,3-dihydropyridazin-3-one (114.12 mg, 0.501 mmol, 1.00 equiv.) in DMF (5 mL) were added 1-azido-4-nitrobenzene (115.18 mg, 0.702 mmol, 1.4 equiv.) and Zn(OAc)2 (91.98 mg, 0.501 mmol, 1 equiv.) at room temperature. The resulting mixture was stirred for 16 h at 60 degrees C. The reaction was monitored by LCMS.The mixture was allowed to cool down to room temperature. The mixture was purified by reverse phase flash with the following conditions (Column:C18,330 g; Mobile Phase A: Water/0.05% NH4HCO3, Mobile Phase B:ACN; Flow rate:80 mL/min;Gradient: 35%B to 50%B in 15 min; Detector,220nm and 254nm) to afford crude product. The crude product (30 mg) was purified by Prep-HPLC with the following conditions (Column: XBridge Shield RP18 OBD Column, 5um,19*150mm; Mobile Phase A: Water(10MMOL/L NH4HCO3), Mobile Phase B: ACN; Flow rate: 25 mL/min; (1701) Gradient: 5% B to 16% B in 1 min; 254/220 nm; Rt: 7.47 min) to afford 4-chloro-5-[1-[(2- chloro-4-fluorophenyl)methyl]-1H,4H,5H,6H,7H-[1,2,3]triazolo[4,5-c]pyridin-5-yl]-2,3- dihydropyridazin-3-one(8.3mg,4.19%) as a white solid

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 15205-11-5.

Reference:
Patent; GOLDFINCH BIO, INC.; YU, Maolin; DANIELS, Matthew, H.; HARMANGE, Jean-christophe, P.; TIBBITTS, Thomas, T.; LEDEBOER, Mark, W.; WALSH, Liron; MUNDEL, Peter, H.; MALOJCIC, Goran; (860 pag.)WO2019/55966; (2019); A2;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

7-Sep-21 News The important role of 15205-11-5

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 15205-11-5, its application will become more common.

Some common heterocyclic compound, 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, molecular formula is C7H7ClFN, 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. COA of Formula: C7H7ClFN

Example 82; /V-[(2-chloro-4-fluorophenyl)methyl]-2-[3,5-dimethyl-1-(2-phenylethyl)- 1H-pyrazol-4-yl]acetamide (E82)[3,5-dimethyl-1-(2-phenylethyl)-1 H-pyrazol-4-yl]acetic acid (0.63 mmol) was dissolved in dimethylformamide (2 ml) and to this was added O-(7-Azabenzotriazol- 1-yl)-N,N,N’,N’-tetramethyluronium hexafluorophosphate (HATU, 0.63 mmol) and diisopropylethylamine (DIPEA, 1.26 mmol). The mixture was left to stand at room temperature for 15-20 minutes and then [(2-chloro-4-fluorophenyl)methyl]amine (0.63 mmol) in dimethylformamide (1 ml) was added. The mixture was left to stand overnight at room temperature and then the solvents were evaporated in-vacuo. The residue was partitioned between dichloromethane and saturated aqueous sodium hydrogen carbonate. The mixture was then filtered through a phase separator and the organic phase was evaporated to give the crude product. The crude material was purified by mass-directed automated HPLC to give the title compound as product after lyophilisation of the combined product fractions. LC/MS [M+H]+ = 399, retention time = 3.16 minutes.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 15205-11-5, its application will become more common.

Reference:
Patent; GLAXO GROUP LIMITED; WO2008/138876; (2008); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

9/2/2021 News New learning discoveries about 15205-11-5

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

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. 15205-11-5, name is 2-Chloro-4-fluorobenzylamine belongs to chlorides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 15205-11-5

General procedure: To a solution of acid 3 (0.384g, 1mmol), HATU (0.38g, 1mmol), and Et3N (1mL) in 20mL of dry CH2Cl2 was added an equimolar amount of the appropriate amine. The mixture was kept stirring at room temperature for 24h. After TLC detection to show no starting materials, the mixture was extracted with 100mL ethyl acetate and washed with saturated NaHCO3 (3×30mL) and saturated NaCl (1×50mL). The organic layers were dried over MgSO4 and evaporated under vacuum. The crude product was purified by column chromatography with methanol: CH2Cl2=1: 30 to obtain intermediates 4a-4u.

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Ju, Han; Zhang, Jian; Sun, Zhuosen; Huang, Zheng; Qi, Wenbao; Huang, Bing; Zhan, Peng; Liu, Xinyong; European Journal of Medicinal Chemistry; vol. 146; (2018); p. 220 – 231;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Extended knowledge of 2-Chloro-4-fluorobenzylamine

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 15205-11-5, its application will become more common.

Some common heterocyclic compound, 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, molecular formula is C7H7ClFN, 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: C7H7ClFN

3-Methyl-5-(2-methylpropyl)-1 /-/-pyrazol-4-yl]acetic acid (0.170 g, 0.43 mmol, prepared as described below) was dissolved in a mixture of dimethylformamide (1 ml) and dichloromethane (3 ml) and and to this was added water soluble carbodiimide (0.099 g, 0.52 mmol), 1-hydroxybenzotriazole (0.070 g, 0.52 mmol), and N-ethyl morpholine (0.164 ml, 1.29 mmol). The mixture was stirred for 10 minutes and then [(2-chloro-4-fluorophenyl)methyl]amine (0.082 g, 0.52 mmol) was added. The mixture was stirred overnight at room temperature and then saturated aqueous sodium hydrogen carbonate (2 ml) was added to the mixture. After stirring for a further 10 minutes the organic phase was separated by filtration through a hydrophobic frit. The aqueous layer was washed with a further aliquot of dichloromethane (2-3 ml) and the organic phase was again separated and then the combined organic phases were evaporated to give the crude product as a yellow oil. The crude material was purified by mass-directed automated HPLC to give the pure product as a white solid after freeze-drying of the collected product fractions (0.080 g)-LC/MS [M+H]+ = 338 retention time = 2.32 minutes.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 15205-11-5, its application will become more common.

Reference:
Patent; GLAXO GROUP LIMITED; WO2007/141267; (2007); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Share a compound : C7H7ClFN

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

Adding a certain compound to certain chemical reactions, such as: 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, 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 15205-11-5, Product Details of 15205-11-5

Example 94 N-[(2-chloro-4-fluorophenyl)methyl]-1-cyclopentyl-5-oxoprolinamide (E94) 1-Cyclopentyl-5-oxoproline (0.100 g, 0.51 mmol, prepared as described below) was dissolved in a mixture of dichloromethane (2.5 ml) and dimethylformamide (0.5 ml) and to this were added N-(3-dimethylaminopropyl)-N’-ethylcarbodiimide hydrochloride (0.117 g, 0.61 mmol), 1-hydroxybenzotriazole (0.082 g, 0.61 mmol), and N-ethyl morpholine (0.2 ml, 1.52 mmol). The mixture was stirred for 10 minutes and then [(2-chloro-4-fluorophenyl)methyl]amine (0.097 g, 0.61 mmol) was added and the mixture was stirred overnight. Saturated aqueous sodium hydrogen carbonate (10 ml) was added and the mixture stirred vigorously for 15 minutes. The organic phase was separated with a phase separator and the aqueous phase was washed with further aliquots of dichloromethane (3*10 ml). The organic fractions were combined and dried over magnesium sulphate. The solvent was then evaporated and the residue was purified by mass-directed automated HPLC to give pure N-[(2-chloro-4-fluorophenyl)methyl]-1-cyclopentyl-5-oxoprolinamide. LC/MS [M+H]+=339, retention time=2.4 minutes.

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

Reference:
Patent; GLAXO GROUP LIMITED; US2008/9541; (2008); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The origin of a common compound about 15205-11-5

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

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. 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, A new synthetic method of this compound is introduced below., HPLC of Formula: C7H7ClFN

(i) [1-(Triphenylmethyl)-1H-pyrazol-4-yl]acetic acid (0.460 g, 1.25 mmol, which can be prepared as described in WO 95/07283) was dissolved in dichloromethane (30 ml) and to this was added water soluble carbodiimide (0.312 g, 1.63 mmol), 1- hydroxybenzotriazole (0.220 g, 1.63 mmol), N-ethyl morpholine (0.477 ml, 3.75 mmol), and [(2-chloro-4-fluorophenyl)methyl]amine (0.209 ml, 1.63 mmol). The mixture was stirred at room temperature under argon for 18 hours and then diluted with dichloromethane and washed with saturated aqueous sodium hydrogen carbonate. The mixture was then filtered through a hydrophobic frit and the organic phase was evaporated to give the crude product as a yellow oil. The crude material was purified by automated (Biotage SP4) flash-silica column chromatography, eluting with 0-80% ethyl acetate in hexane to give lambda/-[(2-chloro-4-fluorophenyl)methyl]-2-[1- (triphenylmethyl)-1 H-pyrazol-4-yl]acetamide as a white solid (0.330 g). LC/MS [M+H]+ = n.d., retention time = 3.64 minutes

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; WO2008/138876; (2008); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Extended knowledge of 15205-11-5

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

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. 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, A new synthetic method of this compound is introduced below., Application In Synthesis of 2-Chloro-4-fluorobenzylamine

theta-Oxo-1 -(phenylmethyl^-piperidinecarboxylic acid (0.117 g, 0.5 mmol, prepared as described below) was suspended in dichloromethane (5 ml) and treated with N-(3- dimethylaminopropyl)-N’-ethylcarbodiimide hydrochloride (0.144 g, 0.75 mmol) and 1-hydroxybenzotriazole (0.102 g, 0.75 mmol). The mixture was stirred at room temperature for 15 minutes and then [(2-chloro-4-fluorophenyl)methyl]amine (0.096 g, 0.6 mmol) was added to the mixture and stirring at room temperature was continued for a further 48 hrs. The mixture was concentrated and partitioned between ethyl acetate and water. The ethyl acetate layer was separated and washed sequentially with 3N aqueous citric acid, water, saturated aqueous sodium hydrogen carbonate, water, and brine and then dried over anhydrous sodium sulphate. Concentration of the organic layer gave an oil which was purified by automated flash silica-gel column chromatography (Biotage SP4), eluting with a gradient of 0-100% ethyl acetate in hexane, to give lambda/-[(2-chloro-4- fluorophenyl)methyl]-6-oxo-1-(phenylmethyl)-2-piperidinecarboxamide (0.1 13 g) as an oil. LC/MS [M+H]+ = 375/377, retention time = 2.63 minutes.

The synthetic route of 15205-11-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; WO2008/116845; (2008); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Some tips on 2-Chloro-4-fluorobenzylamine

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 15205-11-5.

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. 15205-11-5, name is 2-Chloro-4-fluorobenzylamine, This compound has unique chemical properties. The synthetic route is as follows., Quality Control of 2-Chloro-4-fluorobenzylamine

A mixture of intermediate 59 (200 mg, 0.54 mmol), 2-chloro-4-fluorobenzylamine (0.5 mL, 3.76 mmol) is heated at 100 C. (reaction block) for 2 days. The reaction mixture is cooled to RT. The corresponding N-Boc intermediate is not isolated. The reaction mixture is dissolved in EtOAc (10 mL) and hydrogen chloride is bubbled into the solution for 1 min, and the solution is stirred at RT overnight. The reaction mixture is neutralized, the solvent is evaporated, and the residue is purified by chromatography on silica gel; gradient elution with heptane:EtOAc (70:30-50:50) gives 73 mg of the product 101. LC/MS: 1.78 min, m/z 380 (M++1).

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 15205-11-5.

Reference:
Patent; Aventis Pharmaceuticals Inc.; US2005/26916; (2005); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics