反应详情

In 100 ml of 1,2-dichloroethane, 57 g (0.19 mol) of 3,4,5-triacetoxybenzoic acid and 34 g (0.29 mol) of thionyl chloride were reacted at 60° C. for 2 hours. The excess thionyl chloride and 1,2-dichloroethane were distilled away under reduced pressure to obtain 61 g of the desired product.

1. distillationThe excess thionyl chloride and 1,2-dichloroethane were distilled away under reduced pressure