2,3-Dichloro-4-(2-phenylacryloyl)anisole → 2-Phenyl-5-methoxy-6,7-dichloro-1-indanone
反応式
[Cl:1][C:2]1[C:7]([Cl:8])=[C:6]([C:9](=[O:18])[C:10]([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)=[CH2:11])[CH:5]=[CH:4][C:3]=1[O:19][CH3:20]>S(=O)(=O)(O)O>[C:12]1([CH:10]2[CH2:11][C:5]3[C:6](=[C:7]([Cl:8])[C:2]([Cl:1])=[C:3]([O:19][CH3:20])[CH:4]=3)[C:9]2=[O:18])[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=1参加物
3
実験手順
2,3-Dichloro-4-(2-phenylacryloyl)anisole (7.4 g., 0.024 mole) is added portionwise to cold, concentrated sulfuric acid (150 ml.) with stirring. The reaction mixture is stirred in an ice bath for 2 hours, then added dropwise to ice-water to precipitate 3.91 g. of 2-phenyl-5-methoxy-6,7-dichloro-1-indanone which melts at 193°-195° C. upon crystallization from benzene:cyclohexane, 1:2.
後処理
- stirringThe reaction mixture is stirred in an ice bath for 2 hours
- customto precipitate 3.91 g
- customof 2-phenyl-5-methoxy-6,7-dichloro-1-indanone which melts at 193°-195° C. upon crystallization from benzene
出典と根拠
- ORDレコード
- ord-5ec9c9cd2c14412daf0c5733621a8ef6
- 出典データセット
- uspto-grants-1978_06
- 特許番号
- US04096267
反応ノート
読み込み中…