反応式
[CH2:1]([C:3]([CH3:14])([CH2:7][C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:4]([OH:6])=O)[CH3:2]>O>[CH2:1]([C:3]1([CH3:14])[CH2:7][C:8]2[C:13](=[CH:12][CH:11]=[CH:10][CH:9]=2)[C:4]1=[O:6])[CH3:2]参加物
3
実験手順
69 g of α-ethyl-α-methyl-dihydrocinnamic acid are added dropwise at 150°, within 5 minutes, to 700 g of polyphosphoric acid, while stirring. The reaction mixture is stirred at 160° for a further 10 minutes, is cooled to 100° and 100 cc of water are added dropwise. The reaction mixture is then poured on ice, extracted with ether, the ether extract is washed with water and dried over sodium sulphate. The 2-ethyl-2-methyl-1-indanone, obtained after evaporating the solvent, is purified by distillation. B.P. 137°-140° at 20 mm of Hg.
後処理
- stirringThe reaction mixture is stirred at 160° for a further 10 minutes
- temperatureis cooled to 100°
- additionThe reaction mixture is then poured on ice
- extractionextracted with ether
- extractionthe ether extract
- washis washed with water
- dry with materialdried over sodium sulphate
出典と根拠
- ORDレコード
- ord-d280e6f49a1b4e39adc6e5d503e9626b
- 出典データセット
- uspto-grants-1979_08
- 特許番号
- US04166131
関連ノート
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