Water → HCID 86583546、化合物
反応式
[C:1]([C:3]1[CH:8]=[CH:7][C:6]([NH:9][CH:10]([C:16]2[CH:21]=[CH:20][C:19]([OH:22])=[C:18]([S:23][CH3:24])[CH:17]=2)[C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:5][CH:4]=1)#[N:2].C([O-])([O-])=O.[Cs+].[Cs+].[CH:31](I)([CH3:33])[CH3:32].O>CC(C)=O>[C:1]([C:3]1[CH:8]=[CH:7][C:6]([NH:9][CH:10]([C:16]2[CH:21]=[CH:20][C:19]([O:22][CH:31]([CH3:33])[CH3:32])=[C:18]([S:23][CH3:24])[CH:17]=2)[C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:5][CH:4]=1)#[N:2]参加物
6
実験手順
A suspension of the ethyl (RS)-(4-cyano-phenylamino)-(4-hydroxy-3-methylsulphanyl-phenyl)-acetate (198 mg, 0.58 mmol) described in Example 168.1, Cs2CO3 (227 mg, 0.64 mmol) and isopropyl iodide (58 μl, 0.58 mmol) in acetone (3 ml) was heated under reflux for 4 h. Water was added and the mixture was extracted with CH2Cl2. Die organic phase was dried, filtered and concentrated. The residue was purified by chromatography (SiO2, hexane/EtOAc 2:1). Ethyl (RS)-(4-cyano-phenylamino)-(4-isopropoxy-3-methylsulphanyl-phenyl)-acetate (140 mg, 63%) was obtained as a colorless oil; MS: 443 ([M+OAc]−).
後処理
- temperaturewas heated
- temperatureunder reflux for 4 h
- extractionthe mixture was extracted with CH2Cl2
- customDie organic phase was dried
- filtrationfiltered
- concentrationconcentrated
- customThe residue was purified by chromatography (SiO2, hexane/EtOAc 2:1)
出典と根拠
- ORDレコード
- ord-eeb5208f41f148819bba5995eccb8396
- 出典データセット
- uspto-grants-2002_11
- 特許番号
- US06476264B2
反応ノート
読み込み中…