Allyl bromide → 4-(4-Fluorophenoxy)phenyl allyl ether

HRID 1275132Notes

Reaction equation

HRID 1275132 reaction equation
[F:1][C:2]1[CH:15]=[CH:14][C:5]([O:6][C:7]2[CH:12]=[CH:11][C:10]([OH:13])=[CH:9][CH:8]=2)=[CH:4][CH:3]=1.C(=O)([O-])[O-].[K+].[K+].[CH2:22](Br)[CH:23]=[CH2:24]>CN(C=O)C>[CH2:24]([O:13][C:10]1[CH:11]=[CH:12][C:7]([O:6][C:5]2[CH:14]=[CH:15][C:2]([F:1])=[CH:3][CH:4]=2)=[CH:8][CH:9]=1)[CH:23]=[CH2:22]

Participants

5

Reactant 3

HCID 7841Allyl bromideHCID 11430Potassium CarbonateHCID 129406244-(4-Fluorophenoxy)phenol

Product 1

HCID 186724764-(4-Fluorophenoxy)phenyl allyl ether

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A solution of 4-(4-fluorophenoxy) phenol (4.75 g, 23.30 mmol), potassium carbonate (4.17 g,. 30.30 mmol) and allyl bromide (2.22 mL, 25.60 mmol) in DMF (50 mL) was stirred for 5 h at 60° C. After cooling, the reaction mixture was neutralized with 1 N HCL and extracted with ethyl acetate. The organic extract was washed with brine, dried over sodium sulfate, filtered and concentrated to afford an oil which was chromatographed on silica gel (15% ethyl acetate/hexane) to afford the title compound.

Workup

  1. temperatureAfter cooling
  2. extractionextracted with ethyl acetate
  3. extractionThe organic extract
  4. washwas washed with brine
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customto afford an oil which
  9. customwas chromatographed on silica gel (15% ethyl acetate/hexane)

Sources & evidence

ORD record
ord-baa054b97fb14948a2881e20e844b375
Source dataset
uspto-grants-2000_12
Patent number
US06160000

Reaction notes

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