Benzyloxyamine hydrochloride → 4-(Benzyloxyiminomethyl)-2,5-dimethylaniline
反応式
[NH2:1][C:2]1[C:9]([CH3:10])=[CH:8][C:5]([CH:6]=O)=[C:4]([CH3:11])[CH:3]=1.Cl.[CH2:13]([O:20][NH2:21])[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1>CO>[CH2:13]([O:20][N:21]=[CH:6][C:5]1[C:4]([CH3:11])=[CH:3][C:2]([NH2:1])=[C:9]([CH3:10])[CH:8]=1)[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1参加物
4
実験手順
0.50 g (2.51 mmol) of 4-amino-2,5-dimethylbenzaldehyde is initially charged in 10 ml of methanol, 0.40 g (3.27 mmol) of O-benzyl hydroxylamine hydrochloride is added at room temperature and the reaction mixture is heated under reflux for 18 h. The mixture is then concentrated using a rotary evaporator and the residue is taken up in dichloromethane, extracted twice with water, dried over Na2SO4 and freed from the solvent under reduced pressure. This gives 0.3.8 g of product (purity 82.0%, yield 47.7%, log P (pH 2.3)=4.22).
後処理
- temperaturethe reaction mixture is heated
- temperatureunder reflux for 18 h
- concentrationThe mixture is then concentrated
- customa rotary evaporator
- extractionextracted twice with water
- dry with materialdried over Na2SO4
- customThis gives 0.3.8 g of product (purity 82.0%, yield 47.7%, log P (pH 2.3)=4.22)
出典と根拠
- ORDレコード
- ord-312dac4010e842b681ee8dd5f8c0d50b
- 出典データセット
- uspto-grants-2012_12
- 特許番号
- US08334237B2
反応ノート
読み込み中…