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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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绿色离子液体中纳米钯催化剂的制备及其催化Heck-Mizoroki反应性能
DOI: 10.1016/S1872-2067(14)60224-2, PP. 1921-1926
Keywords: 钯纳米粒子,Heck-Mizoroki反应,1-丁基-3-甲基咪唑离子液体乳酸盐,绿色离子液体
Abstract:
？发展了在非卤素绿色离子液体1-丁基-3-甲基咪唑离子液体乳酸盐中制备纳米Pd催化剂的简便化学方法.透射电镜结果表明,Pd纳米粒子高度分散在[Bmim]Lac离子液体中,平均粒径为2.2-3.1nm.Pd纳米粒子的大小随着体系中[Bmim]Lac与Pd(OAc)2摩尔比减小和温度升高而增大.考察了离子液体稳定纳米Pd催化剂(PdNPs@[Bmim]Lac)催化Heck-Mizoroki反应性能,并对反应条件进行了优化.结果表明,所制备的离子液体稳定的纳米Pd催化剂在优化条件下可高效催化系列卤代芳烃与烯烃的Heck-Mizoroki反应,且可循环使用6次.
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