Water → 4-[2-(4-(4-Methyl-3-pentenyl)-3-cyclohexenyl)ethyl]phenol
Reaction equation
[CH3:1][C:2]([CH3:22])=[CH:3][CH2:4][CH2:5][C:6]1[CH2:11][CH2:10][CH:9]([CH2:12][CH2:13][C:14]2[CH:19]=[CH:18][C:17]([O:20]C)=[CH:16][CH:15]=2)[CH2:8][CH:7]=1.B(Br)(Br)Br.O>ClCCl>[CH3:1][C:2]([CH3:22])=[CH:3][CH2:4][CH2:5][C:6]1[CH2:11][CH2:10][CH:9]([CH2:12][CH2:13][C:14]2[CH:15]=[CH:16][C:17]([OH:20])=[CH:18][CH:19]=2)[CH2:8][CH:7]=1Participants
5
Procedure
To a solution of anisole 2F (R=4-Methyl-3-pentenyl) (6 g) in dichloromethane (100 mL) and cooled in an ice bath is added a 1M solution of boron tribromide (3.4 mL). The solution is stirred for one hour, then poured into water. The reaction mixture is extracted with dichloromethane and dried over magnesium sulfate. The solution is concentrated in vacuo. The product is recrystallized from hexane.
Workup
- extractionThe reaction mixture is extracted with dichloromethane
- dry with materialdried over magnesium sulfate
- concentrationThe solution is concentrated in vacuo
- customThe product is recrystallized from hexane
Sources & evidence
- ORD record
- ord-cd9462bf4bf542ca9fff7f6eea480cb0
- Source dataset
- uspto-grants-2002_07
- Patent number
- US06413448B1
Reaction notes
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