4-Methoxy cinnamic acid → 4-Methoxycinnamic acid chloride

Beteiligte Stoffe

Reaktionsschritte

100 ml of benzene was added to 17.8 grams of p-methoxycinnamic 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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