Sulfuric Acid → 6,7-Diethyl-3,4-dihydronaphthalen-1(2H)-one
反応式
[CH2:1]([C:3]1[CH:4]=[C:5]([CH2:11][CH2:12][CH2:13][C:14]([OH:16])=O)[CH:6]=[CH:7][C:8]=1[CH2:9][CH3:10])[CH3:2].S(=O)(=O)(O)O>>[CH2:1]([C:3]1[CH:4]=[C:5]2[C:6](=[CH:7][C:8]=1[CH2:9][CH3:10])[C:14](=[O:16])[CH2:13][CH2:12][CH2:11]2)[CH3:2]参加物
3
実験手順
Alternatively 4-(3',4'-diethylphenyl) butanoic acid (23.3 g; 0.106 mole) may be cyclised by stirring at 100° C. with 80% sulphuric acid (115 ml) for 11/2 hours. After dilution, extraction into ether, and distillation 15.83 g (74%) of the tetralone was obtained.
後処理
- extractionAfter dilution, extraction into ether
- distillationdistillation 15.83 g (74%) of the tetralone
- customwas obtained
出典と根拠
- ORDレコード
- ord-50479cc5d61d455faa07f80443803209
- 出典データセット
- uspto-grants-1977_06
- 特許番号
- US04032544
反応ノート
読み込み中…