Hydroxyamine hydrochloride → HCID 14787242、化合物
反応式
C[N:2]([CH:4]=[C:5]([C:10](=[O:14])[CH2:11][O:12][CH3:13])[C:6]([O:8][CH3:9])=[O:7])C.Cl.NO>CO>[CH3:13][O:12][CH2:11][C:10]1[O:14][N:2]=[CH:4][C:5]=1[C:6]([O:8][CH3:9])=[O:7]参加物
4
実験手順
To a solution of methyl 2-[(dimethylamino)methylene]-4-methoxy-3-oxobutanoate (Preparation 43, 5.2 g, 26 mmol) in methanol (55 ml) was added hydroxylamine hydrochloride (1.8 g, 25.8 mmol) and the reaction stirred at reflux for 7 hours. The reaction was concentrated in vacuo. The solid residue was purified by trituration with ethyl acetate to afford the title compound as a solid (3.6 g, 18% yield).
後処理
- temperatureat reflux for 7 hours
- concentrationThe reaction was concentrated in vacuo
- customThe solid residue was purified by trituration with ethyl acetate
出典と根拠
- ORDレコード
- ord-33e5f8b82cc24b2594d29bb43c0b0758
- 出典データセット
- uspto-grants-2012_03
- 特許番号
- US08134007B2
反応ノート
読み込み中…