合成和表征了一系列聚乙二醇功能化双咪唑型离子液体,并将其应用于H2PtCl6催化烯烃硅氢加成反应中.考察了不同聚乙二醇链长、不同阴离子的离子液体以及不同反应底物对催化反应的影响.还考察了催化剂体系的稳定性,该催化体系显示了优良的重复性能.
A series of polyethylene glycol functionalized double imidazolium ionic liquids are successfully prepared,characterized and applied in the hydrosilylation of alkenes catalyzed by H2PtCl6.The effects of different lengths of polyether chain,different types of anion and different types of substrates on the catalytic performance of hydrosilylation of alkenes are investigated.Furthermore,the stability of the catalytic system is tested.The catalyst system shows excellent reusable performance.