Methyl iodide → 2-Bromo-5-fluoroanisole

HRID 2085692Notes

Reaction equation

HRID 2085692 reaction equation
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([F:8])=[CH:4][C:3]=1[OH:9].[H-].[Na+].I[CH3:13]>CN(C=O)C.C(OCC)(=O)C>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([F:8])=[CH:4][C:3]=1[O:9][CH3:13]

Participants

6

Reactant 3

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 27246002-Bromo-5-fluorophenol

Product 1

HCID 70180432-Bromo-5-fluoroanisole

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
60 °C

Procedure

A mixture of 2-bromo-5-fluorophenol (2 mL, 17.8 mmol)), sodium hydride (0.5 g, 20.8 mmol) and iodomethane (5 mL, 82 mmol) in DMF (20 mL) was heated to 60° C., stirred for 16 hours, diluted with ethyl acetate (100 mL), washed sequentially with 1M HCl, water, and brine, dried (MgSO4), filtered, and concentrated to provide the desired product.

Workup

  1. washwashed sequentially with 1M HCl, water, and brine
  2. dry with materialdried (MgSO4)
  3. filtrationfiltered
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-50a6892532a945fe93ff84252de90443
Source dataset
uspto-grants-2004_04
Patent number
US06720338B2

Reaction notes

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