香料苹果酯-A的合成研究  

Synthesis of Fructone-A

作　　者：舒学军[1] 桑晓燕[1] 李发生 张界平[1] 李凤连[1] 

机构地区：[1]江西师范大学化学学院,南昌330027 [2]鹰潭学院化学系

出　　处：《江西化工》2005年第4期106-109,共4页Jiangxi Chemical Industry

摘　　要：苹果酯-A广泛应用于花香型,果香型香精的调制,国内的需求量非常大。利用乙酰乙酸乙酯和乙二醇在对甲苯磺酸的催化下缩合,用甲苯作为带水剂制得苹果酯—A,产率约为87.0%,纯度为98.6%。Fructone was apple flavour, now is widely applied in many aspects, as in food flavors and perfumes. It＇s largely required in the domestic markets. Fmctone was synthesized by ethyl acetoacetic ester and glycol under condition of toluene sulfonic acid and toluene as solvent. The product was confirmed by it＇s IR and gas spectra.

关 键 词：乙酰乙酸乙酯 乙二醇 对甲苯磺酸 苹果酯-A 

分 类 号：TQ655[化学工程—精细化工]