Dimethylformamide → 6-phenoxy-1H-indole
反応式
[O:1]([C:8]1[CH:13]=[CH:12][C:11]([CH3:14])=[C:10]([N+:15]([O-])=O)[CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:18]N(C=O)C>>[O:1]([C:8]1[CH:9]=[C:10]2[C:11]([CH:14]=[CH:18][NH:15]2)=[CH:12][CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1参加物
3
実験手順
Combine 4-phenoxy-1-methyl-2-nitro-benzene (6 g, 26.2 mmol) and DMF dimethylacetal (15.6 g, 131 mmol) in 60 mL dry DMF and heat at 170° C. for 16 hours. Cool to room temperature and concentrate to dryness. Dissolve residue in 50 mL EtOAc and hydrogenate with 2 g 5% Pd/C and hydrogen for 3 hours at atmospheric pressure. Filter through celite and concentragte to an oil. Purify by chromatography using Hex/EtoAC to obtain a tan solid: ISMS 210 (M+1) 1H NMR (CDCl3) 8.08 (bs, 1H), 7.61–7.59 (m, 1H), 7.34–7.29 (m, 2H), 7.18–7.17 (m, 1H), 7.18–7.0 (m, 4H), 6.92–6.89 (m, 1H), 6.56–6.54 (m, 1H).
後処理
- concentrationconcentrate to dryness
- filtrationFilter through celite and concentragte to an oil
- customPurify by chromatography
- customto obtain a tan solid
出典と根拠
- ORDレコード
- ord-2705b355770f45219c177426895becf6
- 出典データセット
- uspto-grants-2007_01
- 特許番号
- US07157488B2
反応ノート
読み込み中…