Water → 4-Benzyloxy-2-fluoro-1-nitrobenzene

HRID 2089814Notes

Reaction equation

HRID 2089814 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([OH:11])[CH:5]=[CH:6][C:7]=1[N+:8]([O-:10])=[O:9].[CH2:12](Br)[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1.C([O-])([O-])=O.[K+].[K+].O>CC(C)=O>[CH2:12]([O:11][C:4]1[CH:5]=[CH:6][C:7]([N+:8]([O-:10])=[O:9])=[C:2]([F:1])[CH:3]=1)[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1

Participants

6

Reactant 4

HCID 962WaterHCID 7498Benzyl BromideHCID 11430Potassium CarbonateHCID 5209483-Fluoro-4-nitrophenol

Product 1

HCID 221807044-Benzyloxy-2-fluoro-1-nitrobenzeneYield 161.8%

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

A suspension of 3-fluoro-4-nitrophenol (6.28 g, 40 mmol), benzyl bromide (5.00 mL, 42 mmol), and K2CO3 (6.63 g, 48 mmol) in acetone (80 mL) was refluxed for 2 h. After cooling to room temperature, the reaction mixture was poured into water and extracted with AcOEt. The extract was washed with brine, dried over MgSO4, and concentrated under reduced pressure. The residue was recrystallized from hexane/AcOEt to give 4-(benzyloxy)-2-fluoro-1-nitrobenzene (16.0 g, 92% yield) as a pale yellow solid.

Workup

  1. temperaturewas refluxed for 2 h
  2. extractionextracted with AcOEt
  3. washThe extract was washed with brine
  4. dry with materialdried over MgSO4
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was recrystallized from hexane/AcOEt

Sources & evidence

ORD record
ord-df916863e8cd480081a7047e5c50aa37
Source dataset
uspto-grants-2013_05
Patent number
US08435995B2

Reaction notes

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