p-Toluenesulfonic acid → Methyl 4-(4-oxocyclohex-1-en-1-yl)benzoate
反応式
O1[C:5]2([CH2:10][CH2:9][C:8]([C:11]3[CH:20]=[CH:19][C:14]([C:15]([O:17][CH3:18])=[O:16])=[CH:13][CH:12]=3)=[CH:7][CH2:6]2)[O:4]CC1.C1(C)C=CC(S(O)(=O)=O)=CC=1>CC(C)=O>[O:4]=[C:5]1[CH2:10][CH2:9][C:8]([C:11]2[CH:12]=[CH:13][C:14]([C:15]([O:17][CH3:18])=[O:16])=[CH:19][CH:20]=2)=[CH:7][CH2:6]1参加物
4
実験手順
A solution of Example 420B (2.2 g) and p-toluenesulfonic acid (100 mg) in acetone (10 mL) was heated to reflux for 10 hours, filtered through a pad of silica gel (20 g), and concentrated to provide the desired product.
後処理
- temperatureto reflux for 10 hours
- filtrationfiltered through a pad of silica gel (20 g)
- concentrationconcentrated
出典と根拠
- ORDレコード
- ord-93306aa38c524d7fba5aff3541cb9136
- 出典データセット
- uspto-grants-2004_04
- 特許番号
- US06720338B2
反応ノート
読み込み中…