OALib Journal期刊
ISSN: 2333-9721
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双核碱性功能化离子液体催化knoevenagel缩合反应
, PP. 105-108
Keywords: 功能化离子液体,双核阳离子,碱催化,knoevenagel缩合反应
Abstract:
?采用咪唑与二溴烷烃为原料,两步法合成了5种新型咪唑类碱性双核功能化离子液体催化剂,考察了在醛与氰基化合物的knoevenagel缩合反应中的催化性能。结果表明:咪唑类碱性双核功能化离子液体在knoevenagel反应中具有很好的催化性能,在其中以双(3甲基1咪唑)亚丁基双氢氧化物离子液体的催化糠醛与丙二氰knoevenagel缩合反应的活性最好,其产物的收率高达932%,而双(3甲基1咪唑)亚己基双氢氧化物离子液体对研究中的类醛与氰基化合物的knoevenagel缩合反应都有较好的催化效果。
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