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“一锅法”合成β-苯甲酰基丙烯酸乙酯 被引量:3

Synthesis of Ethyl β-Benzoylacrylate by "One Pot Method"
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摘要 以乙醛酸和苯乙酮为原料,采用“一锅法”合成β-苯甲酰基丙烯酸乙酯,较佳反应条件是扎(苯乙酮):n(乙醛酸):n(乙醇):n(硫酸)-1.00:1.25:5.07:0.02,酯化反应温度85℃、时间3h,消除反应温度115~120℃、反应时间9h。按苯乙酮计,β-苯甲酰基丙烯酸乙酯的收率77.74%,质量分数91.07%。 Ethyl β-enzoylacrylate was synthesized by one pot method using acetophenone and glyoxylic acid as starting materials. The obtained optimum conditions were n(acetophenone) : n(glyoxylicacid) : n(ethanol) :n(catalyst) =1.00: 1.25:5.07:0. 02, esterification temperature 85 ℃, esterification time 3 h, elimination temperature 115~120℃ and elimination time 9 h. Under above conditions, the yield and purity of ethyl 3-benzoylacrylate were 77.74% and 91.07% respectively based on acetophenone.
出处 《青岛科技大学学报(自然科学版)》 CAS 2008年第2期98-100,共3页 Journal of Qingdao University of Science and Technology:Natural Science Edition
关键词 β-苯甲酰基丙烯酸乙酯 乙醛酸 苯乙酮 一锅法 ethyl β-benzoylacrylate glyoxylic acid acetophenone one pot method
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参考文献4

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同被引文献31

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