反応 #64824

反応方程式

α-cyanocinnamic acid

thionyl chloride

→

α-cyanocinnamoyl chloride

溶媒

benzene

反応条件

後処理

1. 1
   その他at ambient temperature
2. 2
   その他was elevated to 70° C.
3. 3
   workup.DISTILLATIONBenzene and thionyl chloride were distilled off
4. 4
   その他the residue was dried thoroughly under reduced pressure

実験手順

100 ml of benzene was added to 17.3 grams of α-cyanocinnamic acid. 12 ml of thionyl chloride was added dropwise slowly thereto at ambient temperature. The temperature was elevated to 70° 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.

出典