2,3-Dichloro-5,6-dicyano-1,4-benzoquinone → 7-bromo-5-nitro-1H-indole
反応式
[Br:1][C:2]1[CH:3]=[C:4]([N+:11]([O-:13])=[O:12])[CH:5]=[C:6]2[C:10]=1[NH:9][CH2:8][CH2:7]2.ClC1C(=O)C(C#N)=C(C#N)C(=O)C=1Cl>CC(C)=O>[Br:1][C:2]1[CH:3]=[C:4]([N+:11]([O-:13])=[O:12])[CH:5]=[C:6]2[C:10]=1[NH:9][CH:8]=[CH:7]2参加物
4
実験手順
To a solution of 7-bromo-5-nitroindoline (3.0 g, 12.3 mmol) in 200 mL of acetone was added 2,3-dichloro-5,6-dicyano-1,4-benzoquinone until color of the solution turns to dark green. The reaction mixture was concentrated in vacuo and subjected to column chromatography (CHCl3, neat) to yield 2.7 g (11.2 mmol, 91%) of the indole.
後処理
- concentrationThe reaction mixture was concentrated in vacuo
出典と根拠
- ORDレコード
- ord-fd67cd84db194abb9430687100ff14a3
- 出典データセット
- uspto-grants-2001_10
- 特許番号
- US06303643B1
反応ノート
読み込み中…