超声辐射下水溶液中离子液体催化合成芳醛缩氨基硫脲  

Synthesis of aromatic aldehyde thiosemicarbazones catalyzed by ionic liquid in water under ultrasound irradiation

作　　者：刘卉闵[1] 崔鹏雷[1] 魏俊萍 张冬暖[1] 张英群[1] 

机构地区：[1]河北农业大学理学院,河北保定071001 [2]保定市科学技术信息研究所,河北保定071051

出　　处：《河北大学学报（自然科学版）》2013年第4期375-379,共5页Journal of Hebei University(Natural Science Edition)

基　　金：河北农业大学社科基金和理工基金资助项目(LG201204)

摘　　要：在超声波辐射下水相中以酸性甲基咪唑丙烷磺酸-三氟乙酸离子液体催化芳醛和氨基硫脲进行反应,合成了系列芳醛缩氨基硫脲衍生物,产率为60.0%～95.0%.产物结构经1 HNMR,IR,元素分析表征,该反应具有反应时间短、产率高、环境友好、后处理方便、催化剂可回收重复使用的优点.A series of aromatic aldehyde thiosemicarbazones were synthesized by the condensation reactions of aromatic aldehydes with thiosemicarbazide in water with 3-methyl-1-（3-sulfopropyl）-imidazolium trifluoro acetate as catalyst under ultrasound irradiation. The yields were ranged from 60.0%- 95.0% . The structures of the products were confirmed by ^1HNMR spectroscopy, IR and elemental analysis. The Bronsted acidic ionic liquid could be recycled easily. It is shown that the proposed method is easy, efficient and environmental friendly.

关 键 词：超声波辐射 离子液体 催化 缩氨基硫脲 

分 类 号：O623.6[理学—有机化学]