反应详情

温度

60 °C

To 3-chloro-5-cyano-4-methoxybenzoic acid (932 mg), toluene (9.3 mL), N,N-dimethylformamide (0.03 mL) and thionyl chloride (0.38 mL) were added, and 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 (993 mg) as a brown solid.

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