Sulfuric Acid → 6,7-Diethyl-3,4-dihydronaphthalen-1(2H)-one
Reaktionsgleichung
[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]Komponenten
3
Versuchsvorschrift
Alternatively 4-(3',4'-diethylphenyl) butanoic acid (23.3 g; 0.106 mole) maybe 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.
Aufarbeitung
- extractionAfter dilution, extraction into ether
- distillationdistillation 15.83 g (74%) of the tetralone
- customwas obtained
Quellen und Nachweise
- ORD-Eintrag
- ord-dbd0ba54b1794dcaa7bbb5bbacc5d54c
- Quelldatensatz
- uspto-grants-1977_03
- Patentnummer
- US04012407
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