香料紫罗兰酮的合成研究  

Study on synthesis of the perfume ionone

作　　者：孙青[1] 舒学军[1] 陈茹冰[1] 殷旭光[1] 王波[1] 

机构地区：[1]江西师范大学化学化工学院,江西南昌330022

出　　处：《浙江大学学报（理学版）》2012年第1期56-59,共4页Journal of Zhejiang University（Science Edition）

基　　金：江西师范大学重点实验室开放项目(20100524)

摘　　要：报道用新的催化剂合成紫罗兰酮.用CH3ONa作固体碱催化剂催化柠檬醛与丙酮的Aldol缩合反应,在50～60℃反应3.5h,以95.3%的收率制得假性紫罗兰酮,然后假性紫罗兰酮在磷酸催化下进行关环反应,于温度55～65℃反应,得质量分数为97.6%的紫罗兰酮,收率81.5%,对合成条件进行了分析和讨论,对产品紫罗兰酮的IR谱图、NMR谱图进行了确认和详细的分析.The Ionone was synthesized by new catalyst:(1) Citral and acetone took Aldol condensation reaction,using CH3ONa as base catalyst,under conditions of 50～60℃,took reaction for 3.5 hours to produce pseudoionone,the yield was up to 95.3%.(2) Then pseudoionone in phosphoric acid took cyclic-condensation reaction to form Ionone product at 55～65℃,the product Ionone's content was up to 97.6%,yield was up to 81.5%.The reaction conditions have been analysized and discussed,the Ionone's IR spectra and NMR Spectra have been characterized and discussed in detail.

关 键 词：紫罗兰酮 假性紫罗兰酮 柠檬醛 合成 

分 类 号：O624.4[理学—有机化学]