反応式
[Cl:1][C:2]1[CH:20]=[CH:19][C:5]([O:6][CH:7]([N:14]2[CH:18]=[CH:17][N:16]=[CH:15]2)[C:8](=[O:13])[C:9]([CH3:12])([CH3:11])[CH3:10])=[CH:4][CH:3]=1.C(O)=O.C(N(CC)CC)C>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([O:6][CH:7]([N:14]2[CH:18]=[CH:17][N:16]=[CH:15]2)[CH:8]([OH:13])[C:9]([CH3:11])([CH3:12])[CH3:10])=[CH:19][CH:20]=1参加物
3
実験手順
14 g (0.048 mol) of 1-(4-chlorophenoxy)-3,3-dimethyl-1-(imidazol-1-yl)-butan-2-one and 61.8 g (0.143 mol) of formic acid/triethylamine (5:2 addition compound) were heated at 145° C. for 4 hours. The reaction mixture was allowed to cool and was concentrated in vacuo. The residue was taken up in dilute sodium hydroxide solution and the mixture was extracted with methylene chloride. The organic phase was washed with water, dried over sodium sulphate and concentrated in vacuo. The residue was suspended in hot cyclohexane, the suspension was filtered hot and the solid was dried. 7.9 g (56% of theory) of 1-(4-chlorophenoxy)-3,3-dimethyl-1-(imidazol-1-yl)-butan-2-ol of melting point 145°-147° C. were obtained.
後処理
- temperatureto cool
- concentrationwas concentrated in vacuo
- extractionthe mixture was extracted with methylene chloride
- washThe organic phase was washed with water
- dry with materialdried over sodium sulphate
- concentrationconcentrated in vacuo
- filtrationthe suspension was filtered hot
- customthe solid was dried
出典と根拠
- ORDレコード
- ord-02f111901faa45cf844be6429bc0bf42
- 出典データセット
- uspto-grants-1983_02
- 特許番号
- US04371700
関連ノート
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