反応式
Cl.[CH2:2]([O:9][C:10]1[CH:16]=[CH:15][C:13]([NH2:14])=[CH:12][CH:11]=1)[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.Cl[C:18]1[C:23]([N+:24]([O-:26])=[O:25])=[CH:22][C:21]([CH3:27])=[CH:20][N:19]=1.C([O-])([O-])=O.[K+].[K+].O>CN(C=O)C>[CH2:2]([O:9][C:10]1[CH:11]=[CH:12][C:13]([NH:14][C:18]2[C:23]([N+:24]([O-:26])=[O:25])=[CH:22][C:21]([CH3:27])=[CH:20][N:19]=2)=[CH:15][CH:16]=1)[C:3]1[CH:4]=[CH:5][CH:6]=[CH:7][CH:8]=1参加物
実験手順
To a mixture of 4-(benzyloxy)aniline hydrochloride (4.10 g) and 2-chloro-5-methyl-3-nitropyridine (3.0 g) in DMF (30 mL) was added TEA (7.27 mL) at room temperature, and the mixture was stirred at room temperature for 2 h. The mixture was heated to 60° C. After stirring at 60° C. overnight, K2CO3 (4.81 g) was added to the mixture. The mixture was heated to 100° C. and stirred at 100° C. overnight. The mixture was poured into water and the mixture was extracted with AcOEt. The combined organic layer was washed with brine, dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by column chromatography (dry charge, silica gel, eluted with 5%-30% AcOEt in hexane) to give N-[4-(benzyloxy)phenyl]-5-methyl-3-nitropyridin-2-amine (1.33 g) as a red solid.
後処理
- temperatureThe mixture was heated to 60° C
- stirringAfter stirring at 60° C. overnight
- temperatureThe mixture was heated to 100° C.
- stirringstirred at 100° C. overnight
- extractionthe mixture was extracted with AcOEt
- washThe combined organic layer was washed with brine
- dry with materialdried over Na2SO4
- filtrationfiltered
- concentrationconcentrated in vacuo
- customThe residue was purified by column chromatography (dry charge, silica gel, eluted with 5%-30% AcOEt in hexane)
出典と根拠
- ORDレコード
- ord-d89d58304d3c4849b30f48ebd5331560
- 出典データセット
- uspto-grants-2014_09
- 特許番号
- US08846713B2
関連ノート
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