反应详情

温度

60 °C

To 4-benzyloxy-3-chloro-5-methoxybenzoic acid (541 mg), toluene (5.4 mL), N,N-dimethylformamide (1 droplet) and thionyl chloride (0.16 mL) were added, and then the mixture was stirred at 60° C. for 16 hours. The solvent was distilled off under reduced pressure and then azeotroped with toluene to obtain the title compound (578 mg) as a yellow solid.

1. distillationThe solvent was distilled off under reduced pressure
2. customazeotroped with toluene