2-(4-Fluorophenyl)acetic acid → 4-Fluorophenylacetyl chloride

Participants

Reaction Steps

To a stirred solution of 4-fluorophenylacetic acid (11.2 g, 73 mmol.) in THF (125 ml) at 0° C. under nitrogen was added oxalyl chloride (7.1 ml, 82 mmol.) then DMF (4 drops) and the resulting effervescing mixture stirred at 0° C. for 30 minutes then at ambient temperature for a further 1 hour. The effervescence had ceased after this time and the solvent was evaporated. To the residue was added toluene (50 ml) and the solvent evaporated. The addition of toluene and evaporation was repeated to leave a residue of 4fluorophenylacetyl chloride.

Provenance & Evidence