Tert-butyl 2-{2-[(2,3-dimethyl-5-nitro-6-phenoxypyridin-4-yl)amino]ethoxy}ethylcarbamate → Tert-butyl 2-{2-[(3-amino-5,6-dimethyl-2-phenoxypyridin-4-yl)amino]ethoxy}ethylcarbamate
反応式
[CH3:1][C:2]1[C:7]([CH3:8])=[C:6]([NH:9][CH2:10][CH2:11][O:12][CH2:13][CH2:14][NH:15][C:16](=[O:22])[O:17][C:18]([CH3:21])([CH3:20])[CH3:19])[C:5]([N+:23]([O-])=O)=[C:4]([O:26][C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)[N:3]=1>C(O)C.[Pt]>[NH2:23][C:5]1[C:4]([O:26][C:27]2[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=2)=[N:3][C:2]([CH3:1])=[C:7]([CH3:8])[C:6]=1[NH:9][CH2:10][CH2:11][O:12][CH2:13][CH2:14][NH:15][C:16](=[O:22])[O:17][C:18]([CH3:19])([CH3:20])[CH3:21]参加物
4
実験手順
A solution of of tert-butyl 2-{2-[(2,3-dimethyl-5-nitro-6-phenoxypyridin-4-yl)amino]ethoxy}ethylcarbamate (15.34 g, 34.35 mmol) in absolute ethanol (500 mL) was combined with 5% platinum on carbon (12.02 g) in a Parr vessel and placed under hydrogen pressure overnight. The reaction mixture was filtered through a layer of Celite® filter aid. The filtrate was concentrated under reduced pressure. The resulting residue was purified by column chromatography (250 g of silica gel eluting with 1/1 ethyl acetate/hexanes) to provide 11.21 g of tert-butyl 2-{2-[(3-amino-5,6-dimethyl-2-phenoxypyridin-4-yl)amino]ethoxy}ethylcarbamate.