Hydrogen Bromide → 4,4-Diphenyl-3-butenyl bromide
Reaktionsgleichung
[CH:1]1([C:4]([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)([C:6]2[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=2)O)[CH2:3][CH2:2]1.[BrH:18]>>[Br:18][CH2:3][CH2:2][CH:1]=[C:4]([C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)[C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1Komponenten
3
Versuchsvorschrift
A mixture of 26.5 g of α-cyclopropyl-α-phenylbenzenemethanol and 150 ml of 48% HBr was stirred at ambient temperature for 3 h. After addition of ice water, the mixture was extracted twice with diethyl ether, washed, dried and concentrated to obtain 33 g (97.3%) of 4-bromo-1,1-diphenyl-1-butene.
Aufarbeitung
- extractionthe mixture was extracted twice with diethyl ether
- washwashed
- customdried
- concentrationconcentrated
Quellen und Nachweise
- ORD-Eintrag
- ord-c97c0139de8f4435a9276f26c2c04c47
- Quelldatensatz
- uspto-grants-1995_02
- Patentnummer
- US05393759
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