Water → (2-Methoxypyridin-4-yl)methanol
反応式
[CH3:1][O:2][C:3]1[CH:8]=[C:7]([C:9](OCC)=[O:10])[CH:6]=[CH:5][N:4]=1.[H-].[Al+3].[Li+].[H-].[H-].[H-].O>CCOCC>[OH:10][CH2:9][C:7]1[CH:6]=[CH:5][N:4]=[C:3]([O:2][CH3:1])[CH:8]=1[CH3:1][O:2][C:3]1[CH:8]=[C:7]([C:9](OCC)=[O:10])[CH:6]=[CH:5][N:4]=1.[H-].[Al+3].[Li+].[H-].[H-].[H-].O>CCOCC>[OH:10][CH2:9][C:7]1[CH:6]=[CH:5][N:4]=[C:3]([O:2][CH3:1])[CH:8]=1A solution of ethyl 2-methoxy-pyridine-4-carboxylate (0.93 g, 5 mmol) in ether (5 ml) was added to lithium aluminium hydride (0.3 g, 8 mmol) in ether (10 ml) cooled to 5° C. and the mixture stirred for 2 hours. Water was added, the mixture was filtered through diatomaceous earth and the pad was washed through with ethyl acetate. The filtrate was extracted with ethyl acetate and the combined extracts were washed with brine, dried (MgSO4) and the solvent removed by evaporation to give 4-hydroxymethyl-2-methoxypyridine (0.64 g, 89%) as a yellow oil. 1H NMR Spectrum: (CDCl3) 3.86(s, 3H); 4.62(s, 2H); 6.65(s, 1H); 6.76(d, 1H); 8.05(d, 1H) MS-ESI: 140 [MH]+
読み込み中…
