9/8/21 News Simple exploration of 25625-57-4

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

Application of 25625-57-4,Some common heterocyclic compound, 25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, molecular formula is C9H7BrF3NO, 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 10a Chiral isomer 12-{3-[4-(4-methyl-1 H-imidazol-1 -yl)phenyl]-2-oxo-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-1 -yl}-N-[3-(trifluoromethyl)phenyl]acetamide hydrochloride 3-[4-(4-Methyl-1 H-imidazol-1 -yl)phenyl]-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D31 a), isomer 1 (94mg) in DMF (6ml) was cooled to ice bath temp and treated with sodium hydride 60% in oil (13mg) under an atmosphere of argon. The mixture was stirred for 20 minutes when 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (85mg) in DMF (2.5ml) was added over 1.5 hours by syringe pump. The mixture was then allowed to warm to room temp overnight. The solvent was partially removed and the residue was purified by low pH MDAP. The fractions were loaded onto SCX and the free base was eluted with 2M methanolic ammonia. The solvent was removed and the residue was dissolved in DCM, treated with HCI-Et2O, solvent removed and a white solid was obtained from ether (78mg).1H NMR (DMSO) delta: 1.75 (2H, m), 2.05-2.35 (obs, m), 2.45 (3H, s), 3.4-3.6 (obs, m), 3.9 (2H, m), 4.98 (2H, m), 7.45 (1 H, m), 7.58 (1 H, m), 7.75 (1 H, m), 7.98 (2H, m), 8.12 (2H, m), 8.58 (2H, m), 9.63 (1 H, s), 10.74 (1 H, s). 19F NMR (DMSO) delta: 61.4 Mass Spectrum (LC/MS): Found 512 (MH+). Ret. time 1.63 min.Example 10b Chiral isomer 2 2-{3-[4-(4-methyl-1 H-imidazol-1 -yl)phenyl]-2-oxo-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en- 1-yl}-N-[3-(trifluoromethyl)phenyl]acetamide-‘J 3-[4-(4-Methyl-1 H-imidazol-1 -yl)phenyl]-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D31 b), isomer 2 (94mg) in DMF (6ml) was cooled to ice bath temp and treated with sodium hydride 60% in oil (12mg) under an atmosphere of argon. The mixture was stirred for 20 minutes when 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (85mg) in DMF (2.5ml) was added over 1.5 hours by syringe pump. The mixture was then allowed to warm to room temp overnight. The mixture was poured into water and extracted with dichloromethane. The organic layer was washed with brine and then dried with hydromatrix and the solvent was removed to give the title compound (104mg). 1H NMR (CDCI3) delta: 1.7 (obs, m), 2.0 (2H, m), 2.15-2.4 (2H, m), 3.31 (3H, m), 3.71 (1 H, m), 3.85 (2H, m), 4.05 (1 H, m), 4.45 (2H, m), 7.10 (1 H, s), 7.3-7.5 (4H, m), 7.68 (1 H, m), 7.84 (1 H, m), 7.94 (1 H, m), 8.60 (2H, m), 9.09 (1 H, s). 19F NMR (DMSO) delta: 62.7 Mass Spectrum (LC/MS): Found 512 (MH+). Ret. time 1.62 min.

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

Reference:
Patent; GLAXO GROUP LIMITED; WO2009/34061; (2009); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Extended knowledge of 25625-57-4

The synthetic route of 25625-57-4 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. 25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide belongs to amides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Computed Properties of C9H7BrF3NO

A solution of 3-[3-(2-pyridinyl)phenyl]-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D24) (21 mg) in DMF (4ml) was cooled to 00C. Sodium hydride (2.75mg of 60% in mineral oil, 0.069mmol) was added. The solution was stirred at 00C for 45 minutes before the slow addition (1 hr) of 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (D8) (19.40mg) in DMF (1 ml) using a syringe pump. The resulting solution was allowed to warm to room temperature overnight and stirred for another 18 hours. The solution was then cooled again whilst stirring to 00C and sodium hydride (2.75mg, 0.069mmol) was added. Stirring continued for 45 minutes before the slow addition (1 hr) of 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (D8) (19.40mg) in DMF (1 ml) using a syringe pump. The resulting solution was allowed to warm to room temperature and stirred over the weekend, then methanol (5ml) was added and the solution was evaporated to dryness, then re-dissolved in DCM (5ml) and water (5ml) was added. The resulting solution was poured through a phase separating cartridge and evaporated to dryness Purification using mass directed auto-purification chromatography gave the title compound as a white solid (22mg). 1H NMR (CD3OD) delta: 1.39-1.51 (3H, m), 1.81-1.91 (3H, m), 1.98-2.10 (assume 4H, m), 4.39 (2H, s), 7.37-7.41 (2H, m), 7.48-7.52 (1 H, t), 7.61-7.65 (1 H, t), 7.56-7.77 (1 H, d), 7.92-7.93 (2H, m), 8.01 (1 H, s), 8.12-8.15 (2H, m), 8.48-8.50 (1 H, m), 8.63-8.97 (1 H, m), 8.98 (1 H, s). Mass Spectrum (Electrospray LC/MS): Found 507 (MH+). C28H25F3N4O2 requires 506. Ret. time 3.14 min.

The synthetic route of 25625-57-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; WO2009/34061; (2009); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Continuously updated synthesis method about 25625-57-4

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-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, other downstream synthetic routes, hurry up and to see.

Adding a certain compound to certain chemical reactions, such as: 25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, belongs to amides-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 25625-57-4, SDS of cas: 25625-57-4

General procedure: Urea linked alkynes 2(a-c) (1.0 mmol), 2-bromo-N-phenylacetamides3(a-f) (1.0 mmol) were dissolved in dimethylformamide(4 mL) in a round bottom flask. Sodium azide (3.0 mmol) in water (2 mL) copper sulphate (0.02 mmol) in water (2 mL) wereadded to the reaction mixture followed by addition of sodiumascorbate (0.02 mmol) and the mixture was stirred at 40 C for2e3 h. After completion of the reaction, reaction mixture wasfiltered and the solid obtained was washed with ice cold water andsmall amount of ethyl acetate to yield triazole hybrids 4(a-r).

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-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, other downstream synthetic routes, hurry up and to see.

Reference:
Article; Kumar, Anil; Kumar, Ashwani; Lal, Kashmiri; Poonia, Nisha; Rani, Poonam; Journal of Molecular Structure; vol. 1215; (2020);,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

The important role of 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide

According to the analysis of related databases, 25625-57-4, 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 25625-57-4 as follows. Quality Control of 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide

Example 5: 2-[3-(4-Bromophenyl)-2-oxo-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-1 -yl]-N-[3- (trifluoromethyl)phenyl]acetamide; 3-(4-Bromophenyl)-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D19) (100mg, 0.32mmol) in DMF (4ml) was cooled to ice bath temp and treated with sodium hydride (14.23 mg, 0.356 mmol) under an atmosphere of argon. The mixture was stirred for 30 minutes then 2- bromo-N-[3-(trifluoromethyl)phenyl]acetamide (D16) (100 mg, 0.356 mmol) in DMF (2ml) was added over 1.5 hour by syringe pump. The mixture was then allowed to warm to room temp overnight. The mixture was poured into water and extracted with ethyl acetate. The ethyl acetate layer was washed with brine and dried using sodium sulphate and the solvent was removed. The residue was chromatographed on a silica column eluted with a gradient of 0-5% methanol in DCM. A mixture was obtained which was purified by low pH MDAP to give the title compound (81 mg).1H NMR (d6DMSO) delta: 1.65-1.80 (2H, m), 2.06-2.28 (2H, m), 3.5 (1 H, m), 3.65 (1 H, m), 3.8-3.95 (2H, m), 4.5 (2H, m), 7.42 (1 H, m), 7.61 (1 H, m), 7.77 (3H, m) 8.08 (1 H, m), 8.32 (2H, s), 10.6 (1 H, s). 19F NMR (DMSO) delta: -61.4 (s), Mass Spectrum (Electrospray LC/MS): Found 510 (MH+). Ret. time 3.33 min.

According to the analysis of related databases, 25625-57-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; GLAXO GROUP LIMITED; UNIVERSITY OF NOTTINGHAM; WO2008/92877; (2008); A2;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Simple exploration of C9H7BrF3NO

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

Application of 25625-57-4,Some common heterocyclic compound, 25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, molecular formula is C9H7BrF3NO, 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 10a Chiral isomer 12-{3-[4-(4-methyl-1 H-imidazol-1 -yl)phenyl]-2-oxo-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-1 -yl}-N-[3-(trifluoromethyl)phenyl]acetamide hydrochloride 3-[4-(4-Methyl-1 H-imidazol-1 -yl)phenyl]-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D31 a), isomer 1 (94mg) in DMF (6ml) was cooled to ice bath temp and treated with sodium hydride 60% in oil (13mg) under an atmosphere of argon. The mixture was stirred for 20 minutes when 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (85mg) in DMF (2.5ml) was added over 1.5 hours by syringe pump. The mixture was then allowed to warm to room temp overnight. The solvent was partially removed and the residue was purified by low pH MDAP. The fractions were loaded onto SCX and the free base was eluted with 2M methanolic ammonia. The solvent was removed and the residue was dissolved in DCM, treated with HCI-Et2O, solvent removed and a white solid was obtained from ether (78mg).1H NMR (DMSO) delta: 1.75 (2H, m), 2.05-2.35 (obs, m), 2.45 (3H, s), 3.4-3.6 (obs, m), 3.9 (2H, m), 4.98 (2H, m), 7.45 (1 H, m), 7.58 (1 H, m), 7.75 (1 H, m), 7.98 (2H, m), 8.12 (2H, m), 8.58 (2H, m), 9.63 (1 H, s), 10.74 (1 H, s). 19F NMR (DMSO) delta: 61.4 Mass Spectrum (LC/MS): Found 512 (MH+). Ret. time 1.63 min.Example 10b Chiral isomer 2 2-{3-[4-(4-methyl-1 H-imidazol-1 -yl)phenyl]-2-oxo-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en- 1-yl}-N-[3-(trifluoromethyl)phenyl]acetamide-‘J 3-[4-(4-Methyl-1 H-imidazol-1 -yl)phenyl]-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D31 b), isomer 2 (94mg) in DMF (6ml) was cooled to ice bath temp and treated with sodium hydride 60% in oil (12mg) under an atmosphere of argon. The mixture was stirred for 20 minutes when 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (85mg) in DMF (2.5ml) was added over 1.5 hours by syringe pump. The mixture was then allowed to warm to room temp overnight. The mixture was poured into water and extracted with dichloromethane. The organic layer was washed with brine and then dried with hydromatrix and the solvent was removed to give the title compound (104mg). 1H NMR (CDCI3) delta: 1.7 (obs, m), 2.0 (2H, m), 2.15-2.4 (2H, m), 3.31 (3H, m), 3.71 (1 H, m), 3.85 (2H, m), 4.05 (1 H, m), 4.45 (2H, m), 7.10 (1 H, s), 7.3-7.5 (4H, m), 7.68 (1 H, m), 7.84 (1 H, m), 7.94 (1 H, m), 8.60 (2H, m), 9.09 (1 H, s). 19F NMR (DMSO) delta: 62.7 Mass Spectrum (LC/MS): Found 512 (MH+). Ret. time 1.62 min.

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

Reference:
Patent; GLAXO GROUP LIMITED; WO2009/34061; (2009); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Continuously updated synthesis method about 25625-57-4

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Adding a certain compound to certain chemical reactions, such as: 25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, belongs to amides-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 25625-57-4, Formula: C9H7BrF3NO

Tert-butyl 2-AMINOETHYLCARBAMATE (0.32 g, 2 mmol) was dissolved in dichloromethane with DIEA (0.6 mL, 3.4 mmol). To this solution, 2-BROMO-N- (3- (TRIFLUOROMETHYL)- phenyl) acetamide was added and the reaction mixture stirred for 6 hours at room temperature. The reaction mixture was concentrated to an oil and purified by column chromatography (eluent: ETOAC) to give the product 0.37 g, 1.02 mmol, 50% YIELD.1H NMR (500 MHz, CDCl3) 5 9.39 (s, 1H), 7.82 (s, 1H), 7.78 (d, J = 7.8 Hz, 1H), 7.37 (t, J = 7.9 Hz, 1H), 7.28 (d, J = 7.8 Hz, 1H), 4.68 (s, 1H), 3.36 (s, 2H), 3.22 (dd, J = 11. 2,5. 5 Hz, 2H), 2.74 (t, J= 5. 7 HZ, 2H).

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Reference:
Patent; VERTEX PHARMACEUTICALS INCORPORATED; WO2005/19190; (2005); A2;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Continuously updated synthesis method about 25625-57-4

The synthetic route of 25625-57-4 has been constantly updated, and we look forward to future research findings.

25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, belongs to amides-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. COA of Formula: C9H7BrF3NO

Example 6: 2-[3-(4-Bromophenyl)-2-oxo-7-oxa-1 ,4-diazaspiro[4.4]non-3-en-1 -yl]-N-[3- (trifluoromethyl)phenyl]acetamide; 3-(4-Bromophenyl)-7-oxa-1 ,4-diazaspiro[4.4]non-3-en-2-one (D21 ) (0.6g) in DMF (4ml) was cooled to ice bath temp and treated with sodium hydride (81 mg) under argon. The mixture was stirred for 30 minutes when 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (D16) (631 mg) in DMF (3ml) was added over 2 hours by syringe pump. The mixture was then allowed to warm to room temp overnight. The solvent was partially removed then in vacuo and then poured into water and extracted with ethyl acetate. The ethyl acetate layer was dried with brine and sodium sulphate and the solvent was removed. The mixture was purified by MDAP and then crystallised by stirring with ether to give the title compound. (414mg) 1H NMR (CDCI3) delta: 2.4-2.6 (2H, m), 3.96 (1 H, m), 4.06 (1 H, m), 4.22 (1 H, m), 4.35 (3H, m), 7.4 (2H, m), 7.65 (3H, m), 7.88 (1 H, m), 8.33 (2H, m) 8.75 (1 H, br) 19F NMR (DMSO) delta: -62.8 (s), Mass Spectrum (Electrospray LC/MS): Found 496/8 (MH+). Ret. time 3.08 min.

The synthetic route of 25625-57-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; UNIVERSITY OF NOTTINGHAM; WO2008/92877; (2008); A2;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Extended knowledge of 25625-57-4

The synthetic route of 25625-57-4 has been constantly updated, and we look forward to future research findings.

25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, belongs to amides-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. Application In Synthesis of 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide

Sodium hydride in mineral oil (21.40 mg, 0.535 mmol) was added to a, stirring, ice-bath cooled solution of 3-[4-(4,5-dimethyl-1 H-imidazol-1 -yl)phenyl]-1 , 4-diazaspiro[4.4]non-3- en-2-one (D28) (150 mg, 0.486 mmol) in DMF (5 ml) under argon. After stirring for 30 min. a solution of 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (D8) (137 mg) in DMF (3 ml) was added over 1 h using a syringe pump maintaining an ice-bath temperature. The resulting reaction mixture was allowed to come to room temperature then stirred for a further 4 h. The reation mixture was diluted with methanol (20 ml) and applied to an SCX column (1Og). After washing with MeOH (50 ml) the product was eluted with 2M NH3-MeOH. Evaporation of the solvent afforded a brown gum. On dissolving in 1 :1MeOH:DMSO for MDAP purification a small amount of white solid precipitated. This was collected, washed with diethyl ether and dried The material was reapplied to an SCX column (1g) in MeOH (10 ml), washing (30 ml MeOH) and eluting as described above to remove residual DMSO. Drying afforded the free-base of the title compound as a white solid (20 mg).1H NMR (CDCI3) delta: 1.80 – 2.15 (8H, bm), 2.17 (3H, s, overlapping with adjacent bm), 2.25 (3H, s), 4.30 (2H, s), 7.40 (4H, m), 7.58 (1 H, s), 7.68 (1 H, d), 7.84 (1 H, s), 8.57 (2H, d),9.32 (1 H, s).Mass Spectrum (Electrospray LC/MS): Found 510 (MH+). C27H26F3N5O3 requires 509. Ret. time 1.81 min.A solution of the free-base (20 mg) in DCM (2 ml) was treated with an excess of 1 M HCI in diethyl ether (0.12 ml, 0.120 mmol). The volatiles were removed in vacuo and the residue dried under high vacuum at 550C to afford the title hydrochloride as a pale yellow solid (20 mg).Mass Spectrum (Electrospray LC/MS): Found 510 (MH+). C27H26F3N5O3 requires 509. Ret. time 1.77 min.

The synthetic route of 25625-57-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; WO2009/34061; (2009); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Simple exploration of 25625-57-4

The synthetic route of 25625-57-4 has been constantly updated, and we look forward to future research findings.

25625-57-4, name is 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide, belongs to amides-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. Application In Synthesis of 2-Bromo-N-(3-(trifluoromethyl)phenyl)acetamide

Example 10a Chiral isomer 12-{3-[4-(4-methyl-1 H-imidazol-1 -yl)phenyl]-2-oxo-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-1 -yl}-N-[3-(trifluoromethyl)phenyl]acetamide hydrochloride 3-[4-(4-Methyl-1 H-imidazol-1 -yl)phenyl]-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D31 a), isomer 1 (94mg) in DMF (6ml) was cooled to ice bath temp and treated with sodium hydride 60% in oil (13mg) under an atmosphere of argon. The mixture was stirred for 20 minutes when 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (85mg) in DMF (2.5ml) was added over 1.5 hours by syringe pump. The mixture was then allowed to warm to room temp overnight. The solvent was partially removed and the residue was purified by low pH MDAP. The fractions were loaded onto SCX and the free base was eluted with 2M methanolic ammonia. The solvent was removed and the residue was dissolved in DCM, treated with HCI-Et2O, solvent removed and a white solid was obtained from ether (78mg).1H NMR (DMSO) delta: 1.75 (2H, m), 2.05-2.35 (obs, m), 2.45 (3H, s), 3.4-3.6 (obs, m), 3.9 (2H, m), 4.98 (2H, m), 7.45 (1 H, m), 7.58 (1 H, m), 7.75 (1 H, m), 7.98 (2H, m), 8.12 (2H, m), 8.58 (2H, m), 9.63 (1 H, s), 10.74 (1 H, s). 19F NMR (DMSO) delta: 61.4 Mass Spectrum (LC/MS): Found 512 (MH+). Ret. time 1.63 min.Example 10b Chiral isomer 2 2-{3-[4-(4-methyl-1 H-imidazol-1 -yl)phenyl]-2-oxo-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en- 1-yl}-N-[3-(trifluoromethyl)phenyl]acetamide-‘J 3-[4-(4-Methyl-1 H-imidazol-1 -yl)phenyl]-7-oxa-1 ,4-diazaspiro[4.5]dec-3-en-2-one (D31 b), isomer 2 (94mg) in DMF (6ml) was cooled to ice bath temp and treated with sodium hydride 60% in oil (12mg) under an atmosphere of argon. The mixture was stirred for 20 minutes when 2-bromo-N-[3-(trifluoromethyl)phenyl]acetamide (85mg) in DMF (2.5ml) was added over 1.5 hours by syringe pump. The mixture was then allowed to warm to room temp overnight. The mixture was poured into water and extracted with dichloromethane. The organic layer was washed with brine and then dried with hydromatrix and the solvent was removed to give the title compound (104mg). 1H NMR (CDCI3) delta: 1.7 (obs, m), 2.0 (2H, m), 2.15-2.4 (2H, m), 3.31 (3H, m), 3.71 (1 H, m), 3.85 (2H, m), 4.05 (1 H, m), 4.45 (2H, m), 7.10 (1 H, s), 7.3-7.5 (4H, m), 7.68 (1 H, m), 7.84 (1 H, m), 7.94 (1 H, m), 8.60 (2H, m), 9.09 (1 H, s). 19F NMR (DMSO) delta: 62.7 Mass Spectrum (LC/MS): Found 512 (MH+). Ret. time 1.62 min.

The synthetic route of 25625-57-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; WO2009/34061; (2009); A1;,
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics