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作 者:尤洪星[1] 王永勇[1] 王雪珠[1] 刘晔[1]
机构地区:[1]上海市绿色化学与化工过程绿色化重点实验室华东师范大学化学系,上海200062
出 处:《化学进展》2013年第10期1656-1666,共11页Progress in Chemistry
基 金:国家自然科学基金项目(No.21273077;21076083)资助
摘 要:基于离子液体的功能化研究发展而来的配体功能化离子液体和过渡金属配合物功能化离子液体,也可以狭义地称为离子型配体和离子型过渡金属配合物,因为这类功能化离子液体在室温至100℃温度范围内呈现固体状态,并非严格定义的离子液体。这类配体功能化离子液体和过渡金属配合物功能化离子液体因其具有与母体室温离子液体在组成和离子型结构的相似性,所以能够被稳固地锁定在母体室温离子液体相中,成为新兴的"固载"均相催化剂(配体或过渡金属配合物)的重要手段之一——不但避免了均相催化剂的流失,提高催化剂的稳定性,并能有效解决均相催化剂的分离和回收使用问题。本文详细综述了近十年来配体功能化离子液体和过渡金属配合物功能化离子液体的合成工作,并介绍了其在均相催化中的应用。The ligand-and transition metal complex-functionalized ionic liquids (FILs) can be defined narrowly as the ionic ligands and ionic transition metal complexes since they are not strictly room temperature ionic liquids (RTILs) any more in the range of RT to 100 %. Such kinds of ligand- and transition metal complex-FILs have attracted more and more attention due to their promising applications in homogeneous catalysis as one of alternative methods to heterogenize the homogenous catalysts into the RTILs phase. Due to similarity in the composition and the ionic structure to the parent RTILs (as a solvent), the ligand- and transition metal complex- FILs as catalysts have the following advantages. The catalysts are stable, and their leaching can be avoided, which make the separation workup simple. In addition, the recyclability of the catalysts is available. This review summarizes the progress in the syntheses of ligand- and transition metal complex-FILs and their applications in homogeneous catalysis, developed in the past decade.
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