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C1=CC(=[N+](C=C1Br)[O-])CO製品情報
(5-bromo-1-oxidopyridin-1-ium-2-yl)methanol (CAS 638219-84-8) product identity, structure identifiers and related reaction data for chemical intermediate research and sourcing review.
想定用途
専門的研究・工業用途限定
データベース ID 67299921
安全上の注意
For professional research and industrial use only. Review the supplier safety data sheet before handling.
合成データ
12 反応 · 12 文献
反応条件: temp:0.00; pressure:0.00; stir:
ソース ID: ord-8b1e3c7689a1451988603951cbf17a9c反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: To a solution of 5-bromo-2-hydroxymethyl-pyridine-1-oxide (6.43 g, 31.5 mmol) in THF (200 ml) was added sodium hydride (1.51 g, 63.1 mmol) at 0° C., and then the reaction mixture was stirred at ambient temperature for 1 h. After cooling to 0° C., methyl iodide (2.90 ml, 46.6 mmol) was added. The temperature was raised to ambient temperature and the reaction mixture was heated to 70° C. for 1 h. After cooling to 0° C. the reaction mixture was quenched with MeOH. The solvents were removed, and the crude product was purified by silica gel chromatography using an ethyl acetate/hexane eluent to yield 4.8 g (70%) of the title compound. After cooling to 0° C. The temperature was raised to ambient temperature the reaction mixture was heated to 70° C. for 1 h After cooling to 0° C. the reaction mixture was quenched with MeOH The solvents were removed the crude product was purified by silica gel chromatography
ソース ID: ord-21f9bab9c34a466ea9601788f5ada127反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: To a solution of 5-bromo-2-hydroxymethyl-pyridine-1-oxide (6.43 g, 31.5 mmol) in THF (200 ml) was added sodium hydride (1.51 g, 63.1 mmol) at 0° C., and then the reaction mixture was stirred at ambient temperature for 1 h. After cooling to 0° C., methyl iodide (2.90 ml, 46.6 mmol) was added. The temperature was raised to ambient temperature and the reaction mixture was heated to 70° C. for 1 h. After cooling to 0° C. the reaction mixture was quenched with MeOH. The solvents were removed, and the crude product was purified by silica gel chromatography using an ethyl acetate/hexane eluent to yield 4.8 g (70%) of the title compound. After cooling to 0° C. The temperature was raised to ambient temperature the reaction mixture was heated to 70° C. for 1 h After cooling to 0° C. the reaction mixture was quenched with MeOH The solvents were removed the crude product was purified by silica gel chromatography
ソース ID: ord-21f9bab9c34a466ea9601788f5ada127反応条件: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: 5-Bromo-pyridin-2-yl-methanol (6.0 g, 31.9 mmol) was dissolved in dichloromethane (80 ml) and cooled to 0° C. A solution of 3-chloroperbenzoic acid (8.26 g, 47.9 mmol) in dichloromethane (20 ml) was slowly added, the ice bath was removed after completion of the addition, and the reaction mixture was stirred at ambient temperature for 1 h. The solvent was removed and the crude product was purified by silica gel chromatography using ethyl acetate to yield 3.68 g (56%) of the title compound. the ice bath was removed after completion of the addition The solvent was removed the crude product was purified by silica gel chromatography
ソース ID: ord-64224fedb05144baa1094ab08980c7a3反応条件: temp:0.00; pressure:0.00; stir:
ソース ID: ord-8b1e3c7689a1451988603951cbf17a9c反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: To a solution of 5-bromo-2-hydroxymethyl-pyridine-1-oxide (6.43 g, 31.5 mmol) in THF (200 ml) was added sodium hydride (1.51 g, 63.1 mmol) at 0° C., and then the reaction mixture was stirred at ambient temperature for 1 h. After cooling to 0° C., methyl iodide (2.90 ml, 46.6 mmol) was added. The temperature was raised to ambient temperature and the reaction mixture was heated to 70° C. for 1 h. After cooling to 0° C. the reaction mixture was quenched with MeOH. The solvents were removed, and the crude product was purified by silica gel chromatography using an ethyl acetate/hexane eluent to yield 4.8 g (70%) of the title compound. After cooling to 0° C. The temperature was raised to ambient temperature the reaction mixture was heated to 70° C. for 1 h After cooling to 0° C. the reaction mixture was quenched with MeOH The solvents were removed the crude product was purified by silica gel chromatography
ソース ID: ord-dff00ff4b725402f848db5435530ede9反応条件: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: 5-Bromo-pyridin-2-yl-methanol (6.0 g, 31.9 mmol) was dissolved in dichloromethane (80 ml) and cooled to 0° C. A solution of 3-chloroperbenzoic acid (8.26 g, 47.9 mmol) in dichloromethane (20 ml) was slowly added, the ice bath was removed after completion of the addition, and the reaction mixture was stirred at ambient temperature for 1 h. The solvent was removed and the crude product was purified by silica gel chromatography using ethyl acetate to yield 3.68 g (56%) of the title compound. the ice bath was removed after completion of the addition The solvent was removed the crude product was purified by silica gel chromatography
ソース ID: ord-4ce3e060ff034c87a4dbc91a7aa5f64e反応条件: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: 5-Bromo-pyridin-2-yl-methanol (6.0 g, 31.9 mmol) was dissolved in dichloromethane (80 ml) and cooled to 0° C. A solution of 3-chloroperbenzoic acid (8.26 g, 47.9 mmol) in dichloromethane (20 ml) was slowly added, the ice bath was removed after completion of the addition, and the reaction mixture was stirred at ambient temperature for 1 h. The solvent was removed and the crude product was purified by silica gel chromatography using ethyl acetate to yield 3.68 g (56%) of the title compound. the ice bath was removed after completion of the addition The solvent was removed the crude product was purified by silica gel chromatography
ソース ID: ord-4ce3e060ff034c87a4dbc91a7aa5f64e反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: To a solution of 5-bromo-2-hydroxymethyl-pyridine-1-oxide (6.43 g, 31.5 mmol) in THF (200 ml) was added sodium hydride (1.51 g, 63.1 mmol) at 0° C., and then the reaction mixture was stirred at ambient temperature for 1 h. After cooling to 0° C., MeI (2.90 ml, 46.6 mmol) was added. The temperature was raised to ambient temperature and the reaction mixture was heated to 70° C. for 1 h. After cooling to 0° C. the reaction mixture was quenched with MeOH. The solvents were removed, and the crude product was purified by silica gel chromatography using an ethyl acetate/hexane eluent to yield 4.8 g (70%) of the title compound. After cooling to 0° C. The temperature was raised to ambient temperature the reaction mixture was heated to 70° C. for 1 h After cooling to 0° C. the reaction mixture was quenched with MeOH The solvents were removed the crude product was purified by silica gel chromatography
ソース ID: ord-19dad4eafa5a40cf856e264c5ae0af8e反応条件: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: 5-Bromo-pyridin-2-yl-methanol (6.0 g, 31.9 mmol) was dissolved in methylenechloride (80 ml) and cooled to 0° C. A solution of 3-chloroperbenzoic acid (8.26 g, 47.9 mmol) in methylenechloride (20 ml) was slowly added, the ice bath was removed after completion of the addition, and the reaction mixture was stirred at ambient temperature for 1 h. The solvent was removed and the crude product was purified by silica gel chromatography using ethyl acetate to yield 3.68 g (56%) of the title compound. the ice bath was removed after completion of the addition The solvent was removed the crude product was purified by silica gel chromatography
ソース ID: ord-95e0ac61ecfe4a9b970e04c13a9930eb反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: To a solution of 5-bromo-2-hydroxymethyl-pyridine-1-oxide (6.43 g, 31.5 mmol) in THF (200 ml) was added sodium hydride (1.51 g, 63.1 mmol) at 0° C., and then the reaction mixture was stirred at ambient temperature for 1 h. After cooling to 0° C., methyl iodide (2.90 ml, 46.6 mmol) was added. The temperature was raised to ambient temperature and the reaction mixture was heated to 70° C. for 1 h. After cooling to 0° C. the reaction mixture was quenched with MeOH. The solvents were removed, and the crude product was purified by silica gel chromatography using an ethyl acetate/hexane eluent to yield 4.8 g (70%) of the title compound. After cooling to 0° C. The temperature was raised to ambient temperature the reaction mixture was heated to 70° C. for 1 h After cooling to 0° C. the reaction mixture was quenched with MeOH The solvents were removed the crude product was purified by silica gel chromatography
ソース ID: ord-21f9bab9c34a466ea9601788f5ada127反応条件: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
実験手順: 5-Bromo-pyridin-2-yl-methanol (6.0 g, 31.9 mmol) was dissolved in dichloromethane (80 ml) and cooled to 0° C. A solution of 3-chloroperbenzoic acid (8.26 g, 47.9 mmol) in dichloromethane (20 ml) was slowly added, the ice bath was removed after completion of the addition, and the reaction mixture was stirred at ambient temperature for 1 h. The solvent was removed and the crude product was purified by silica gel chromatography using ethyl acetate to yield 3.68 g (56%) of the title compound. the ice bath was removed after completion of the addition The solvent was removed the crude product was purified by silica gel chromatography
ソース ID: ord-64224fedb05144baa1094ab08980c7a3PubChem References
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