Tag: 6314-28-9

6314-28-9,6314-28-9, Benzo[b]thiophene-2-carboxylic acid is a benzothiophene compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To 57.5 g (0.324 mol) of benzothiophene-2-carboxylic acid in 600 ml of chlorobenzeno there are added dropwise with stirring at reflux temperature 57.8 g (0.468 mol) of thionyl chloride and, when the addition is complete, the mixture is stirred at reflux temperature until the evolution of gas has ceased. For working up, the reaction mixture is allowed to cool to room temperature and then concentrated in vacuo, the residue is stirred with n-hexane, and precipitate which has settled out is filtered off with suction and dried. 57.4 g (90% of theory) of benzothiophene-2-carboxylic acid chloride, which can be reacted further without additional purification, are obtained. STR11

As the paragraph descriping shows that 6314-28-9 is playing an increasingly important role.

Reference£º
Patent; Bayer Aktiengesellschaft; US5244893; (1993); A;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

6314-28-9, Benzo[b]thiophene-2-carboxylic acid is a benzothiophene compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

6314-28-9, benzo[b]thiophene-2-carboxylic acid (159 mg, 0.892 mmol), 2-amino-biphenyl (156 mg, 0.922 mmol),DCC (393 mg, 1.90mmol)and DMAP (26 mg, 0.21 mmol)was dissolved in dichloromethane (20 mL) and stirred for 14 hours at room temperature. Thin film chromatography (TLC) in verifying, new the spot location changes accordingly once created, after adding water to the composition, a reaction mixture of a, die chloro methane at extracted times 2. Extracted organic layer are dried, in the form of tetrabutylammonium magnesium, was, concentrating it under reduced pressure. Concentrated reaction mixture column chromatography (silica gel, ethyl acetate/n = 1/9-hexanediol) for purifying the white solid thereby, a desired compound (102 mg, 35%) is obtained.

As the paragraph descriping shows that 6314-28-9 is playing an increasingly important role.

Reference£º
Patent; Korea research Institute of Chemical Technology; Han, Soo Bong; Achari, Ragavendra; Kim, Mi Hyeon; Jong, Yong Sik; Kim, Pil Ho; (119 pag.)KR2016/21163; (2016); A;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.6314-28-9,Benzo[b]thiophene-2-carboxylic acid,as a common compound, the synthetic route is as follows.,6314-28-9

General procedure: Thionyl chloride (9 mL) was added to the carboxylic acid (1.0 equiv, 10.0 mmol) and the mixture wasrefluxed for 2 h. The solution was then concentrated in vacuo. An oven-dried round-bottomed flask(100 mL) equipped with a stir bar was charged with glutarimide (909.4 mg, 0.91 equiv, 8.04 mmol), acyl chloride (1.0 equiv, 8.84 mmol), 4-dimethylaminopyridine (DMAP, 280.4 mg, 0.25 equiv, 2.5mmol) and dichloromethane (50 mL). Triethylamine (typically, 2.0 equiv) was added dropwise to the reaction mixture with vigorous stirring at 0 C, and the reaction mixture was stirred overnight at room temperature. After the indicated time, the reaction mixture was diluted with Et2O (20 mL) and filtered.The organic layer was washed with HCl (1.0 N, 30 mL), brine (30 mL), dried, and concentrated. The residue was purified by recrystallization or chromatography on silica gel to afford the corresponding amide.

6314-28-9 Benzo[b]thiophene-2-carboxylic acid 95864, abenzothiophene compound, is more and more widely used in various.

Reference£º
Article; Lee, Shao-Chi; Guo, Lin; Yue, Huifeng; Liao, Hsuan-Hung; Rueping, Magnus; Synlett; vol. 28; 19; (2017); p. 2594 – 2598;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

6314-28-9,With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.6314-28-9,Benzo[b]thiophene-2-carboxylic acid,as a common compound, the synthetic route is as follows.

benzo[b]thiophene-2-carboxylic acid ( 159 mg , 0.892 mmol ) ,2-amino-biphenyl (156 mg, 0.922 mmol), DCC (393 mg, 1.90mmol) and DMAP ( 26 mg , 0.21 mmol) dissolved in dichloromethane (20 mL) and stirred for 14 hours at room temperature .When confirmation thin layer chromatography (TLC), when a new spot is generated , and then adding water to the reaction mixture , dichloromethane coming And extracted twice with . The extracted organic layer was dried over magnesium sulfate and concentrated under reduced pressure. It was purified by column chromatography (silica gel , ethyl acetate / n- hexane = 1/9 ) to obtain the object compound ( 102 mg , 35 % ) as a white solid

The synthetic route of 6314-28-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Korea Research Instituteof Chemical Technology; Jong, Yeong Sik; Kim, Pil Ho; Han, Soo Bong; Achari, Ragavendra; Kim, Mi Hyeon; Lee, Jong Kyo; Shin, Jin Soo; (128 pag.)KR2015/134301; (2015); A;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

6314-28-9, Benzo[b]thiophene-2-carboxylic acid is a benzothiophene compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,6314-28-9

Benzo[b]thiophene-2-carboxylic Acid [4a-(3-Methoxyphenyl)-8a-methyl-2-(3-phenylpropyl)octahydroisoquinolin-6-yl]amide (25d).; To compound 24 (52 mg, 0.132 mmol) dissolved in anhydrous THF (10 mL) was added benzo[b]thiophene-2-carboxylic acid (35 mg, 0.198 mmol), triethylamine (0.092 mL, 0.662 mmol), and BOP reagent (64 mg, 0.145 mmol), and the reaction mixture was allowed to stir at room temperature for 1.5 h. Reaction was monitored by TLC (30% CMA 80 in CH2Cl2). The reaction mixture was diluted with EtOAc (20 mL) and washed with saturated aqueous NaHCO3 (20 mL) followed by water (20 mL). The aqueous layers were back extracted with EtOAc (2¡Á20 mL). The combined organic layers were washed with 1 N NaOH (25 mL), dried (MgSO4), and concentrated under reduced pressure to afford crude product. The crude product was purified by flash chromatography (20% CMA 80 in CH2Cl2) to afford 70 mg (96%): LCMS (ESI): m/z 553.9 (M+H)+; 1H NMR (CDCl3, 300 MHz) delta 7.74-7.81 [m, 3H], 7.36-7.40 [m, 2H], 7.18-7.31 [m, 7H], 6.74-6.75 [m, 1H], 6.12 [d, J=9 Hz, 1H], 4.47 [m, 1H], 3.81 [s, 3H], 2.76-2.79 [br, 1H], 2.59-2.67 [m, 3H], 2.36-2.39, [m, 2H], 2.15-2.29 [m, 4H], 1.89-1.94 [m, 3H], 1.60-1.81 [m, 4H], 1.53 [d, J=12 Hz, 1H], 1.26-1.32 [m 1H], 1.24 [s, 3H]; 13C NMR (CDCl3, 300 MHz) delta 161.9, 159.3, 148.7, 142.8, 141.2, 139.5, 139.2, 128.9, 128.8, 128.7, 126.6, 126.1, 125.3, 125.2, 123.1, 122.0, 116.4, 110.8, 62.3, 58.3, 55.6, 51.2, 47.1, 44.4, 38.1, 37.0, 36.8, 35.6, 34.0, 29.2, 28.3, 26.7.

As the paragraph descriping shows that 6314-28-9 is playing an increasingly important role.

Reference£º
Patent; Research Triangle Institute; US2007/27182; (2007); A1;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.6314-28-9,Benzo[b]thiophene-2-carboxylic acid,as a common compound, the synthetic route is as follows.,6314-28-9

General procedure: A mixture of compound 9 or 10 (0.11 mmol), O-(7-aza-1H-benzotriazol-1-yl)-N,N,N’,N’-tetramethyluronium hexafluorophosphate (0.21mmol), and N,N-diisopropylethylamine (0.54 mmol) in dry DMF (1.5 mL) was stirred at 0 C for 30 min. The appropriate acid (0.16 mmol) was then added. After stirring at room temperature for 1-4 h, the reaction mixture was diluted with saturated aqueous NaHCO3, and extracted with ethyl acetate. The organic layer was washed with brine, dried over anhydrous MgSO4, and concentrated in vacuo. The residue was purified by column chromatography on silica gel eluting with EtOAc-hexane (1:1 to 1:3) to afford the corresponding compounds 11a-o and 12a-c.

The synthetic route of 6314-28-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Koh, Eun Jeong; El-Gamal, Mohammed I.; Oh, Chang-Hyun; Lee, So Ha; Sim, Taebo; Kim, Garam; Choi, Hong Seok; Hong, Jun Hee; Lee, Sang-Gi; Yoo, Kyung Ho; European Journal of Medicinal Chemistry; vol. 70; (2013); p. 10 – 21;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

6314-28-9, Benzo[b]thiophene-2-carboxylic acid is a benzothiophene compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

REFERENCE EXAMPLE 1971-[(2-Benzothienylcarbonyl)amino]cyclohexanecarboxylic acid phenylmethyl ester Under ice-cooling, 5.9 g (31 mmol) of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride was added to a solution of 5 g (28 mmol) of 2-benzothiophenecarboxylic acid, 6.5 g (28 mmol) of 1-aminocyclohexanecarboxylic acid phenylmethyl ester and 4.5 g (29 mmol) of 1-hydroxybenzotriazole in methylene chloride. After the mixture was stirred at room temperature overnight, the reaction solvent was distilled off under reduced pressure. Water was added to the residue, and the mixture was extracted with ethyl acetate twice. The obtained organic layer was washed with a 10% aqueous potassium hydrogensulfate solution, a saturated aqueous sodium hydrogencarbonate solution and then saturated brine, and it was dried with anhydrous sodium sulfate. The solvent was distilled off under reduced pressure, diethyl ether was added to the obtained residue, and the mixture was stirred overnight. The crystal was collected by filtration and heated/dried under reduced pressure to obtain 10 g (91%) of the title compound.1H-NMR (CDCl3, delta): 1.25-1.78 (6H, m), 1.93-2.05 (2H, m) 2.12-2.25 (2H, m), 5.18 (2H, s), 6.24 (1H, s), 7.20-7.38 (5H, m), 7.38-7.51 (2H, m), 7.77 (1H, s), 7.80-7.91 (2H, m)

6314-28-9 Benzo[b]thiophene-2-carboxylic acid 95864, abenzothiophene compound, is more and more widely used in various.

Reference£º
Patent; SEIKAGAKU CORPORATION; US2009/137799; (2009); A1;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.6314-28-9,Benzo[b]thiophene-2-carboxylic acid,as a common compound, the synthetic route is as follows.

A mixture of carboxylic acid in thionyl chloride (5 mL/mmol carboxylic acid) was stirred at 60 C for 2 hours. On completion, the solution was concentrated in vacuo to give the acid chloride, which was used directly without further purification. This material (1.1 eq) was added to a mixture of racemic amine (1 eq.) and triethylamine (2 eq.) in dichloromethane (3-5 mL/mmol racemic amine) at room temperature. The mixture was stirred at this temperature for 2 hours. On completion, the reaction was filtered, and the resulting filtrate was concentrated and purified by prep-HPLC to give racemic amide product. Following general procedure A, rac-1 was prepared from benzo[b]thiophene-2 -carboxylic acid and rac-A-104 (0.10 g, 0.65 mmol). The product was purified by prep-HPLC [Instrument: GX-C; Column: Phenomenex Gemini C 18 150×30 mm, particle size: 5 mupiiota; Mobile phase: 35-65% acetonitrile in H20 (add 0.5% NH3 H20, v/v)] to give rac-1 (0.15 g, 73% yield) as a white solid. LCMS : (ES+) m/z (M+H)+ = 315.1.

6314-28-9 Benzo[b]thiophene-2-carboxylic acid 95864, abenzothiophene compound, is more and more widely used in various.

Reference£º
Patent; FORUM PHARMACEUTICALS, INC.; ACHARYA, Raksha; BURNETT, Duane, A.; BURSAVICH, Matthew, Gregory; COOK, Andrew, Simon; HARRISON, Bryce, Alden; KOENIG, Gerhard; MCRINER, Andrew, J.; (400 pag.)WO2016/100184; (2016); A1;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.6314-28-9,Benzo[b]thiophene-2-carboxylic acid,as a common compound, the synthetic route is as follows.

To a solution of Lambda/1-((3S)-4-{[(2-chloro-4-fluorophenyl)sulfonyl]amino}-3- hydroxybutyl)-L-leucinamide (67 mg, 0.15 mmol) in dichloromethane (2 mL) was added benzothiophene carboxylic acid (29 mg, 0.18 mmol) and HOOBt (2.0 mg, 0.01 mmol) at rt. After cooling the reaction mixture in an ice-bath, NMM (0.45 mmol) and EDCHCI (34 mg, 0.18 mmol) were added. After stirring overnight at rt, the reaction mixture was washed with 10 % (w/w) aqueous citric acid solution (1 mL) and brine. The organic solution was dried over MgSO4, concentrated under reduced pressure, and then purified by silica gel column chromatography (30% – 90% EtOAc/Hex) to give the title compound (0.06Og, 71%, white solid); LCMS: [MH]+= 570.2.

The synthetic route of 6314-28-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; SMITHKLINE BEECHAM CORPORATION; WO2007/30761; (2007); A2;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem

6314-28-9, Benzo[b]thiophene-2-carboxylic acid is a benzothiophene compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a dichloromethane solution of 1 ,1 -dimethylethyl {3-[(3-cyclohexyl-L- alanyl)amino]propyl}methylcarbamate (3.5 g, 10.26mmol) was added 1 -benzothiophene-2- carboxylic acid (2.192g g, 12.32 mmol), HOOBT (33 mg, 0.205 mmol), and NMM (3.38ml, 30.78mmol). The mixture was stirred several minutes whereupon EDCHCI (2.362 g, 12.32 mmol) was added. The reaction mixture was stirred overnight at RT. The solution was washed with 10% citric acid and brine, dried (MgSO4), filtered and concentrated to a solid. Purification by silica gel column chromatography (30%-90% ethyl acetate/hexane) gave the product as a white solid in 86% yield (4.4g): MS (m/z): 502(M+H).

The synthetic route of 6314-28-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; SMITHKLINE BEECHAM CORPORATION; WO2006/29210; (2006); A2;,
Benzothiophene – Wikipedia
Benzothiophene | C8H6S – PubChem