相转移催化法制备丙烯酸烯丙酯

Synthesis of allyl acrylate by phase-transfer catalysis

以丙烯酸钠与氯丙烯(ALC)为原料,在相转移催化剂存在下合成出丙烯酸烯丙酯(ALA)粗产品,经离心、干燥、蒸馏等纯化手段得ALA产品。最佳反应条件为:以四丁基溴化铵为相转移催化剂,用量为反应物物质的量的4%,VALC∶V水=1∶1,在40℃下反应1.75 h,ALA产率达94%以上,纯度达98%以上。

Allyl acrylate（ALA） was synthesized using sodium acrylate,allyl chloride（ALC） as raw materials,with phase-transfer catalysis as catalyst.The ALA was obtained from the crude product by centrifugation,drying,distillation and other purification measures.The optimal synthesis conditions were：TBAB（4% of reactants） as catalyst,VALC ∶ V水=1 ∶ 1,t=1.75 h,T=40 ℃.The total ALA yield was 94% and purity was 98%.