HCID 23359001、化合物 → HCID 23359007、化合物
反応式
[F:1][C:2]1[C:8]([CH3:9])=[C:7]([F:10])[C:6]([F:11])=[C:5]([CH2:12]SC)[C:3]=1[NH2:4]>[Ni].C(O)C>[F:1][C:2]1[C:8]([CH3:9])=[C:7]([F:10])[C:6]([F:11])=[C:5]([CH3:12])[C:3]=1[NH2:4]参加物
4
実験手順
To 2,4,5-trifluoro-3-methyl-6-methylthiomethylaniline (10.67 g) are added ethanol (300 ml) and Raney nickel (100 g, wet) and the mixture is stirred at room temperature for 30 minutes. After Raney nickel is filtered off, the filtrate is concentrated, diluted with water, extracted with dichloromethane, and the extract is washed with water and dried. The solvent is distilled off under reduced pressure and the residue is purified by silica-gel column-chromatography (dichloromethane: n-hexane =1:1) to give 2,4,5-trifluoro-3,6-dimethylaniline (5.89 g), as yellow crystals.
後処理
- filtrationAfter Raney nickel is filtered off
- concentrationthe filtrate is concentrated
- additiondiluted with water
- extractionextracted with dichloromethane
- washthe extract is washed with water
- customdried
- distillationThe solvent is distilled off under reduced pressure
- customthe residue is purified by silica-gel column-chromatography (dichloromethane: n-hexane =1:1)
出典と根拠
- ORDレコード
- ord-de76bd3b62474e8bb2457160fa994382
- 出典データセット
- uspto-grants-1997_01
- 特許番号
- US05591744
反応ノート
読み込み中…