A thiosemicarbazone Cu(II) complex anchored to a polystyrene framework has been synthesized and characterized by analytical and spectroscopic techniques. The complex was found to be a highly active catalyst for the oxidation of various organic substrates including alkenes and alcohols using H2O2 as oxidant. The reaction conditions were optimized with respect to temperature, solvent, oxidant, catalyst amount, and substrate to peroxide ratio. The heterogeneous catalyst was reused five times without significant loss of activity. A comparison between the catalytic activities of this polymer-supported Cu(II) complex and its homogeneous analogue was carried out.
将
硫半卡巴脘
铜(II)络合物固定在聚
苯乙烯骨架上,通过分析和光谱技术合成了该络合物并进行了表征。发现该络合物作为催化剂对使用
过氧化氢作为氧化剂的多种有机底物(包括烯烃和醇)的氧化反应具有高度活性。针对温度、溶剂、氧化剂、催化剂用量以及底物与
过氧化氢的比率,优化了反应条件。该非均相催化剂可重复使用五次,活性没有明显损失。比较了这种聚合物支撑的
铜(II)络合物与其均相类似物的催化活性。