Ethanol → 4-Chloro-5-(ethylamino)-2-methylphenol
反応式
[Cl:1][C:2]1[C:7]([NH2:8])=[CH:6][C:5]([OH:9])=[C:4]([CH3:10])[CH:3]=1.[CH2:11](I)[CH3:12].C(=O)([O-])O.[Na+].C(O)C>O>[CH3:10][C:4]1[CH:3]=[C:2]([Cl:1])[C:7]([NH:8][CH2:11][CH3:12])=[CH:6][C:5]=1[OH:9]参加物
6
実験手順
A mixture of 3 g of 4-chloro-2-methyl-5-aminophenol (0.016 mol), 2.6 g of ethyliodide (0.017 mol), 1.35 g of sodium hydrogen carbonate (0.016 mol) and 30 ml of ethanol was refluxed for 7 hours. After cooling and dilution with 50 ml of water, the solution was neutralized with a sodium hydrogen carbonate solution and then extracted three times with 50 ml of ethylacetate. The extract was dried over sodium sulfate and concentrated to dryness. The residue was recrystallized from toluene. Beige crystals melting at 205° C. were obtained.
後処理
- temperaturewas refluxed for 7 hours
- temperatureAfter cooling
- extractionextracted three times with 50 ml of ethylacetate
- dry with materialThe extract was dried over sodium sulfate
- concentrationconcentrated to dryness
- customThe residue was recrystallized from toluene
出典と根拠
- ORDレコード
- ord-e37002ee09054b418ccc239f6988a117
- 出典データセット
- uspto-grants-1990_12
- 特許番号
- US04976742
反応ノート
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