_Bmim_Cl_AlCl_3离_省略_作用下3_6_二苯甲酰基苊的制备_.pdfVIP

752 2010 [Bmim] Cl/ AlCl3 3, 6- a a a a b b , , , , , ( : a. ; b. , 212013) : 研究了氯代 1- 甲基-3- 丁基咪唑-三氯化铝( [ Bmim] Cl/ AlCl3 ) 室温离子液体催化下苊与苯 甲酰氯的Friede-l Craft 酰基化反应, 合成了新 功能高分子中间体及精细化工产品3, 6-二苯甲酰 基苊用 GC 法考察了不同反应条件对3, 6-二苯甲酰基苊收率和选择性的影响, 当AlCl3 在 [ Bmim] Cl/ AlCl3 离子液体中的摩尔分数为0. 67, 离子液体与苊的摩尔比为6, 苯甲酰氯与苊的摩 尔比为6, 反应温度为 5 , 反应时间8 h 时, 3, 6-二苯甲酰基苊收率可达88. % , 选择性90. 5 % 且[ Bmim] Cl/ AlCl3 离子液体对环境污染小, 并可循环使用采用萃取重结晶等方法得到了 1 3, 6-二苯甲酰基苊纯品, 通过GCGC / MSFT IR 和H NM R 对该产物进行了定性和定量分析 : 3, 6-二苯甲酰基苊; 离子液体; 酰基化; 苊; 苯甲酰氯; 高分子中间体; 精细化工产品 : O 625. 15 : A : 0367-6358( 2010) 12-0752-0 Preparation of 3, 6-Dibenzoylacenaphthene Catalyzed by Room T emperature Ionic Liquid a a a a b b LIU Hua , LU O Ying , HU ANG L-i jing , CHEN Min , YUAN Xin-hua , CHENG Xiao-nong ( J i angs u Univ ers i ty : a. S ch oo l of Ch emis t ry and Chemi cal E ng i neer ing ; b. S cho o l of M at er i al S ci ence and E ng i neer ing , J i an gs u Zhe n i ang 212013 , Chi na) Abstract: The Friedel-Craft acylation of acenaphthene w ith benzoyl chloride catalysed by [ Bmim] Cl/ AlCl3 room temperature ionic liquid to synthesize 3, 6-bibenzoylacenaphthene, w hich could be used as new functional macromolecule intermediate and fine chemical, w as investigated. T he effects of various reaction conditions on the yield and selectivity of 3, 6-dibenzoylacenaphthene w ere studied by