反应详情

To a solution of 2-(methyloxy)-4,6-bis(trifluoromethyl)benzoic acid (20.2 g; 70.14 mmol) in dry DCM (400 mL), at 0° C., was added dropwise oxalyl chloride (13.4 mL; 154.31 mmol) followed by dry DMF (5 drops). The reaction was allowed to reach room temperature. After overnight stirring the solvent was evaporated in vacuo to get the title product (23.5 g) as a yellow slurry used without further purification.

1. customto reach room temperature
2. customwas evaporated in vacuo