反应详情

To a suspension of 4.22 g (17.8 mmol) of 2-(dimethylamino)-3,4,5,6-tetrafluoro-benzoic acid and 85 ml of dichloromethane, added 1.7 ml (19.5 mmol) of oxalyl chloride. After the bubbling subsided, five drops of DMF was added and the solution was stirred at room temperature for 21 hours. The solution was evaporated to 4.8 g of an oil which was used in the next step without purification.

1. customThe solution was evaporated to 4.8 g of an oil which
2. customwas used in the next step without purification