Benzyl Chloride → 4-Benzyloxy-3-methoxy-benzonitrile
Reaction equation
[OH:1][C:2]1[CH:9]=[CH:8][C:5]([C:6]#[N:7])=[CH:4][C:3]=1[O:10][CH3:11].C([O-])([O-])=O.[K+].[K+].[CH2:18](Cl)[C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1>CC(C)=O>[CH2:18]([O:1][C:2]1[CH:9]=[CH:8][C:5]([C:6]#[N:7])=[CH:4][C:3]=1[O:10][CH3:11])[C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
To 4-hydroxy-3-methoxybenzonitrile (20.0 g, 134 mmol) in acetone (200 ml) were added K2CO3 (55.6 g, 402 mmol) and benzyl chloride (23.2 ml, 201 mmol). The resulting reaction mixture was refluxed overnight. After cooling to room temperature, acetone was removed by evaporation under reduced pressure and the residue was recrystallized to obtain 4-benzyloxy-3-methoxy-benzonitrile(28.5 g, 88%). Then, according to the similar procedure of Example 1, 7-(4-Benzyloxy-3-methoxy-phenyl)-5-ethylsulfanyl-imidazo[1,2-c]pyrimidine was prepared.
Workup
- customThe resulting reaction mixture
- temperaturewas refluxed overnight
- customacetone was removed by evaporation under reduced pressure
- customthe residue was recrystallized
Sources & evidence
- ORD record
- ord-3a7adb79b0ed4d3c9ff73eb4e56fd08e
- Source dataset
- uspto-grants-2005_06
- Patent number
- US06911443B2
Reaction notes
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