Category: 4265-16-1

4265-16-1, Benzo[b]furan-2-carboxaldehyde is a benzofuran compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: Ku-76 in the above reaction formula was synthesized as follows (a in the reaction formula).A THF solution (15 mL) of ethyl 2- (bis (2-isopropylphenoxy) phosphoryl) acetate (4.3 g, 10.7 mmol) was cooled to -78 degrees under an argon atmosphere, and Triton B (5.5 mL, 14.0 mmol) was added. .After stirring for 20 minutes, a THF solution (10 mL) of cinnamic aldehyde (1.32 g, 10.0 mmol) was added.After 1 hour, saturated aqueous ammonium chloride solution was added to the reaction, and the mixture was extracted with ethyl acetate (50 mL ¡Á 3). The organic layer was washed with saturated brine, dried over magnesium sulfate, and the reduced pressure solvent was distilled off.The crude product was produced by silica gel column chromatography (ethyl acetate in hexane, 3% to 5%) to give 1.57 g (78%, Z: E = 85: 15) of ester ku-76 as a pale yellow oil ., 4265-16-1

As the paragraph descriping shows that 4265-16-1 is playing an increasingly important role.

Reference£º
Patent; Tokyo University of Agriculture and Technology; Fujii, Yoshiharu; Wasano, Naoya; Tamura, Naoyuki; Shindo, Mitsuru; Matsumoto, Kenji; (51 pag.)JP2019/189648; (2019); A;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

4265-16-1,With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4265-16-1,Benzo[b]furan-2-carboxaldehyde,as a common compound, the synthetic route is as follows.

General procedure: To a solution of hydrazide (4, or 5 or 6) (0.2 g, 0.88 mmol) in absolute ethanol (7 mL) containing one drop of 37% hydrochloric acid, 0.88 mmol of corresponding alde-hyde derivative was added. The mixture was stirred at room temperature until TLC indicated the end of the reaction. The mixture was poured into ice and the precipitate was filtered out and dried. Flash chromatographic column was performed for purification of the final compounds, when necessary.

4265-16-1 Benzo[b]furan-2-carboxaldehyde 61341, abenzofuran compound, is more and more widely used in various fields.

Reference£º
Article; Carneiro, Teiliane R.; do Amaral, Daniel N.; Fokoue, Harold H.; Sant?Anna, Carlos M. R.; Porras, Maria L. G.; Oliveira, Augusto C. A.; Cavalcanti, Bruno C.; Pessoa, Claudia; Barreiro, Eliezer J.; Lima, Lidia M.; Letters in drug design and discovery; vol. 15; 7; (2018); p. 778 – 786;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

4265-16-1,4265-16-1, Benzo[b]furan-2-carboxaldehyde is a benzofuran compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a methanol solution containing apocynin (300 mg,1.80 mmol) was added sodium hydroxide (7.20 mmol) followedby the addition of benzaldehydes (a-l) (1.90 mmol)and the contents were stirred at room temperature for 24h-72h. The reaction mixture was diluted with water and acidifiedto pH = 3 using 1N HCl and extracted with ethyl acetate.The organic layer was washed with water followed bybrine solution, dried over anhydrous sodium sulphate, filteredand concentrated under reduced pressure, to obtain thepure compounds. Yields of the products varied between 78and 98%.

The synthetic route of 4265-16-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Janaki; Bhadraiah; Acharya Nagarjuna; Subhashini; Letters in drug design and discovery; vol. 10; 10; (2013); p. 923 – 927;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4265-16-1,Benzo[b]furan-2-carboxaldehyde,as a common compound, the synthetic route is as follows.

The 2-(thiophen-2-yl) acetonitrile (1 g, 8.118mmole), benzofuran-2-carbaldehyde (1.2 g, 8.118 mmol), and 2 g ofNaOH were dissolved in 45 ml of ethanol. Then, these reactionmixtures were stirred vigorously at normal room temperature for24 h. The improvement of the reactionwas monitored by TLC. Aftercompletion of the reaction, the mixtures were poured into ice coldwater. The solid product was filtered, washed with cold ethanol toremove excess benzofuran-2-carbaldehyde, and dried in a vacuumchamber to collect the green colouredcrude product. The precipitatewas allowed to purify by column chromatography techniqueusing the mixture of Hexane: Ethyl Acetate (2/8): eluent. Rectangularslabsof green colour crystals (yield was 88%) of the TACNBNFwas grown using slow evaporation method by DCM (2 ml) andmethanol (1 ml) mixture solvents.

4265-16-1, The synthetic route of 4265-16-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Ahamed, J. Irshad; Priya; Vinothkumar; Sathyamoorthy; MuraliManohar; Liu, Jinghe; Valan; Journal of Molecular Structure; vol. 1202; (2020);,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

4265-16-1,With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4265-16-1,Benzo[b]furan-2-carboxaldehyde,as a common compound, the synthetic route is as follows.

In a 25 mL two-necked round bottom flask equipped with a thermometer and a magnetic stirrer4 mmolofBenzofuran-2-carbaldehyde (1-19), 6 mmol of NH4OAc, 4 mmol of Na2CO3, 4.4 mmol of TBHP, 0.1 mmol of I2, 5 mL of absolute ethanol Solvent, followed by placing the reaction flask in an oil bath preheated to 50 C and opening the magnetic stirrer for 5 h. The reaction solution By adding sodium thiosulfate solution, stirring, and then extracting with ether, separating the organic layer, and removing the solvent under reduced pressure, The eluate was collected with the mixture of ethyl acetate / petroleum ether in a volume ratio of 1: 100 as the eluent, and the eluate containing the target compound was collected. The solvent was distilled off to give benzofuran-2-carbonitrile with an isolated yield of 72%.

The synthetic route of 4265-16-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Zhejiang University of Technology; Shen Zhenlu; Li Meichao; Fang Chaojie; Mo Weimin; (12 pag.)CN106748881; (2017); A;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4265-16-1,Benzo[b]furan-2-carboxaldehyde,as a common compound, the synthetic route is as follows.,4265-16-1

To a solution of 2-benzofuran carbaldehyde (1.00 g, 6.85 mmol) in methanol (20 ml) were added hydroxylammonium chloride (530 mg, 7.63 mmol) and pyridine (2.8 ml), followed by stirring at room temperature for 6.5 hours. After completion of the reaction, the reaction solution was concentrated under reduced pressure. Ethyl acetate was added to the resulting residue, followed by washing sequentially with a 5% aqueous potassium hydrogensulfate solution, a saturated aqueous sodium hydrogen carbonate solution and then a saturated aqueous sodium chloride solution. The resulting organic layer was dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure to afford the title compound (1.07 g) as a white solid. (Yield: 97%) 1H-NMR spectrum (CDCl3, ppm): 8.47 & 7.81 (brs, total 1H), 8.14 & 7.67 (s, total 1H), 7.69 & 6.96 (d, J=0.9Hz, total 1H), 7.67 & 7.60 (ddd, J=7.7, 1.2, 0.9Hz, total 1H), 7.55-7.49 (m, 1H), 7.43-7.22 (m, 2H).

As the paragraph descriping shows that 4265-16-1 is playing an increasingly important role.

Reference£º
Patent; Ube Industries, Ltd.; EP2264009; (2010); A1;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4265-16-1,Benzo[b]furan-2-carboxaldehyde,as a common compound, the synthetic route is as follows.

General procedure: To a stirred solution of amine (6) (100 mg,0.407 mmol) in ethanol was added amines (7.1-7.9) (0.407mol) followed by anhydrous sodium sulphate (0.407 mmol) and stirred at 50 C for 1 h. The hot homogenous solution was filtered and cooled to 5 C to isolate the corresponding imines (8.1-8.9) in quantitative yields.

4265-16-1, The synthetic route of 4265-16-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Sreedhar, Pandiri; Srinivas, Gudipati; Raju, Rallabandi Madhusudan; Asian Journal of Chemistry; vol. 28; 7; (2016); p. 1603 – 1606;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

4265-16-1, Benzo[b]furan-2-carboxaldehyde is a benzofuran compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of benzofuran-2-carbaldehyde (3.0 g, 20.5 mmol) and hydroxylamine hydrochloride (2.1 g, 30.8 mmol) in dichloromethane was added triethylamine (3.1 g, 30.8 mmol) slowly at 0 C. The reaction mixture was allowed to stir at room temperature for 3 hours. Once complete by TLC analysis the reaction mixture was washed with water (2 x 20 mL) and brine before being dried over anhydrous sodium sulfate. After concentration, the crude product was purified by column chromatography [petroleum ether/ethyl acetate=15: l] to afford compound B- 104 (3.0 g, 91% yield) as a yellow solid. LCMS: (ES+) m/z (M+H)+ = 162.2, tR=0.605 and 0.653., 4265-16-1

The synthetic route of 4265-16-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; FORUM PHARMACEUTICALS, INC.; BURNETT, Duane, A.; BURSAVICH, Matthew, Gregory; MCRINER, Andrew, J.; WO2015/66371; (2015); A1;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4265-16-1,Benzo[b]furan-2-carboxaldehyde,as a common compound, the synthetic route is as follows.

General procedure: An aldehyde (3.24 mmol) was dissolved in EtOH (12 mL), then a solution of NH2OH*HCl (360 mg, 5.18 mmol) and Na2CO3 (247 mg,2.33 mmol) in water (3 mL) was added, and the mixture was boiled at reflux temp for 20 min. Saturated aqueous NaCl solution (30 mL)was added, and the mixture was extracted by EtOAc (2 20 mL).The combined organic layers were dried (MgSO4) and evaporated to give the expected aldoxime which was used without further purification.

4265-16-1, 4265-16-1 Benzo[b]furan-2-carboxaldehyde 61341, abenzofuran compound, is more and more widely used in various.

Reference£º
Article; Goyard, David; Konya, Balint; Chajistamatiou, Aikaterini S.; Chrysina, Evangelia D.; Leroy, Jeremy; Balzarin, Sophie; Tournier, Michel; Tousch, Didier; Petit, Pierre; Duret, Cedric; Maurel, Patrick; Somsak, Laszlo; Docsa, Tibor; Gergely, Pal; Praly, Jean-Pierre; Azay-Milhau, Jacqueline; Vidal, Sebastien; European Journal of Medicinal Chemistry; vol. 108; (2016); p. 444 – 454;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.4265-16-1,Benzo[b]furan-2-carboxaldehyde,as a common compound, the synthetic route is as follows.,4265-16-1

6-Aminocoumarin (1.0 mmol) and benzofuran-2-carbaldehyde (1.2 mmol) were refluxed in absolute ethanol (15 mL) for 4 hours, then naturally cooled to room temperature, and then hydrobored under ice bath. Sodium (2.5 mmol), after reacting for 3 hours, concentrated under reduced pressure to remove ethanol, extracted with dichloromethane, washed with water, and then evaporated. 1) A pale yellow solid (258 mg, yield: about 88.5%) was obtained as a benzofuran-substituted coumarin amine derivative of the formula I.

4265-16-1 Benzo[b]furan-2-carboxaldehyde 61341, abenzofuran compound, is more and more widely used in various.

Reference£º
Patent; Yangzhou Industry Polytechnic College; Yang Luyu; Chen Huajin; (6 pag.)CN110105345; (2019); A;,
Benzofuran – Wikipedia
Benzofuran | C8H6O – PubChem