反应详情

100 ml of benzene was added to 18.3 grams of p-chlorocinnamic acid. 12 ml of thionyl chloride was added dropwise slowly thereto at ambient temperature. The temperature was elevated to 80° C. and the heating was continued until foaming ceased. Benzene and thionyl chloride were distilled off and the residue was dried thoroughly under reduced pressure.

1. customat ambient temperature
2. customwas elevated to 80° C.
3. distillationBenzene and thionyl chloride were distilled off
4. customthe residue was dried thoroughly under reduced pressure