반응 #64824

반응 방정식

α-cyanocinnamic acid

thionyl chloride

→

α-cyanocinnamoyl chloride

용매

benzene

반응 조건

후처리

1. 1
   기타at ambient temperature
2. 2
   기타was elevated to 70° C.
3. 3
   workup.DISTILLATIONBenzene and thionyl chloride were distilled off
4. 4
   기타the residue was dried thoroughly under reduced pressure

실험 절차

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.

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