【摘要】 以丙烯腈和苯甲醇为原料,浓硫酸作催化剂,合成了N-苄基丙烯酰胺(N-BAA)。考察了反应温度、反应时间和催化剂用量等因素对产物收率的影响,得出了最佳反应条件n(丙烯腈)∶n(苯甲醇)∶n(浓硫酸)=3∶1∶1.2,反应时间3h,反应温度60℃。在最佳条件下,N-BAA的收率可达92%。每100g粗产物用10%氢氧化钠溶液提纯,精制产物纯度可达99.80%,熔点为64~65℃。通过红外光谱对产物结构进行了表征。更多还原

【Abstract】 N-Benzylacryl amide (N-BAA) was synthesized using acrylonitrile and benzyl alcohol as raw materials and sulfuric acid as catalyst.The effects of main reaction conditions on the yield of N-BAA were examined.The optimum conditions were obtained as follows:n(acrylonitrile)∶n(benzyl alcohol)∶n(sulfuric acid)= 3∶1∶1.2, reaction time 3 h ,reaction temperature 60 ℃ .The yield of the product N-BAA was 92% under above conditions.The purity and melting point of the product after purified with 10% NaOH were 99.80% and 64～ 65 ℃ respectively.The final product was identified by IR.更多还原