Benzyl Bromide → HCID 18536110, compound
Reaction equation
[I:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:11]=1[CH:10]=[C:9]([OH:12])[CH:8]=[CH:7]2.C(=O)([O-])[O-].[Cs+].[Cs+].[CH2:19](Br)[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1.CCOC(C)=O>CN(C=O)C.O>[CH2:19]([O:12][C:9]1[CH:8]=[CH:7][C:6]2[C:11](=[C:2]([I:1])[CH:3]=[CH:4][CH:5]=2)[CH:10]=1)[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1Participants
7
Reactant 4
Product 1
Reagents, catalysts & solvents 2
Procedure
To a solution of the product from Step A (1.18 g, 4.37 mmol) in 20 mL of DMF was added cesium carbonate (2.48 g, 8.74 mmol) and benzyl bromide (0.52 mL, 4.37 mmol). After stirring overnight at room temperature, the reaction was poured into EtOAc and water, washed with 5% NaOH solution, water, 10% NaHSO3 solution and brine, dried over MgSO4, filtered, and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel (5% EtOAc/hexane) to yield the desired product as a pink solid.
Workup
- washwashed with 5% NaOH solution, water, 10% NaHSO3 solution and brine
- dry with materialdried over MgSO4
- filtrationfiltered
- concentrationconcentrated in vacuo
- customThe residue was purified by flash column chromatography on silica gel (5% EtOAc/hexane)
Sources & evidence
- ORD record
- ord-86f5cca8b73440de919046b7a84d9fb0
- Source dataset
- uspto-grants-2003_05
- Patent number
- US06562823B1
Reaction notes
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