65873-72-5

基本信息
5-甲醛-2-甲氧基吡啶
2-甲氧基吡啶-5-甲醛
2-甲氧基-5-吡啶甲醛
6-甲氧基-吡啶-3-甲醛
2-甲氧基-5-甲酰基吡啶
3-FORMYL-6-METHOXYPYRIDINE
5-FORMYL-2-METHOXYPYRIDINE
6-METHOXY-3-NICOTINALDEHYDE
6-METHOXY-3-PYRIDINECARBOXALDEHYDE
6-METHOXYNICOTINALDEHYDE
6-METHOXY-PYRIDINE-3-CARBALDEHYDE
3-Pyridinecarboxaldehyde, 6-methoxy- (9CI)
2-methoxy-5-pyridinecarboxaldehyde
2-Methoxypyridine-5-carboxaldehyde, 5-Formyl-2-methoxypyridine
6-methoxy-3-pyridinecorbaxaldehyde
6-Methoxypyridine-3-carboxaldehyde, 98%
6-Methoxy-3-pyridinecarboxaldehyde ,97%
物理化學(xué)性質(zhì)
安全數(shù)據(jù)
應(yīng)用領(lǐng)域
制備方法

13472-85-0

68-12-2

65873-72-5
在-78℃下,將N-丁基鋰(50 mL,2.5 M的己烷溶液)緩慢滴加到5-溴-2-甲氧基吡啶(22.4 g,119.1 mmol)的無水四氫呋喃(240 mL)溶液中。滴加完畢后,將反應(yīng)混合物在-78℃下繼續(xù)攪拌90分鐘。隨后,緩慢滴加N,N-二甲基甲酰胺(18.5 mL,238.3 mmol),并在-78℃下繼續(xù)攪拌90分鐘。反應(yīng)完成后,將混合物緩慢升溫至室溫。將反應(yīng)混合物倒入飽和碳酸氫鈉溶液(1000 mL)中,并用乙醚(3×250 mL)進(jìn)行萃取。合并有機(jī)相,用硫酸鎂干燥,過濾后濃縮至干,得到15.4 g(收率94%)的6-甲氧基-3-吡啶甲醛,為淺黃色固體。產(chǎn)物經(jīng)1H NMR(DMSO-d6)表征:δ= 9.97(s, 1H),8.77(m, 1H),8.12(dd, 1H, J = 8.6, 2.3 Hz),6.99(d, 1H, J = 8.7 Hz),3.97(s, 3H)。LC/MS分析(方法A):保留時(shí)間= 0.25分鐘,純度= 92.8%,計(jì)算質(zhì)量= 137,[M + H]+ = 138。HPLC分析(方法C):保留時(shí)間= 4.9分鐘,純度= 95.9%(210-370 nm)和98.7%(256 nm)。
參考文獻(xiàn):
[1] Synthesis, 2012, vol. 44, # 5, p. 735 - 746
[2] Journal of medicinal chemistry, 2004, vol. 47, # 20, p. 4829 - 4837
[3] Patent: US2006/19965, 2006, A1. Location in patent: Page/Page column 27
[4] Synthesis, 1994, # 1, p. 87 - 92
[5] Synlett, 2009, # 15, p. 2508 - 2512
報(bào)價(jià)日期 | 產(chǎn)品編號(hào) | 產(chǎn)品名稱 | CAS號(hào) | 包裝 | 價(jià)格 |
2025/05/22 | H26515 | 6-甲氧基吡啶-3-甲醛, 98% 6-Methoxypyridine-3-carboxaldehyde, 98% | 65873-72-5 | 1g | 504元 |
2025/05/22 | H26515 | 6-甲氧基吡啶-3-甲醛, 98% 6-Methoxypyridine-3-carboxaldehyde, 98% | 65873-72-5 | 5g | 1935元 |
2025/05/22 | 38057 | 6-甲氧基吡啶-3-甲醛 6-Methoxy-3-pyridinecarboxaldehyde, 97%, Thermo Scientific Chemicals | 65873-72-5 | 1g | 602元 |