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首页> 外文期刊>RSC Advances >PdCl2 immobilized on metal-organic framework CuBTC with the aid of ionic liquids: enhanced catalytic performance in selective oxidation of cyclohexene
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PdCl2 immobilized on metal-organic framework CuBTC with the aid of ionic liquids: enhanced catalytic performance in selective oxidation of cyclohexene

机译:借助离子液体将PdCl2固定在金属有机骨架CuBTC上:增强了环己烯选择性氧化的催化性能

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摘要

Metal-organic framework CuBTC was employed as a support to immobilize PdCl2 with the aid of ionic liquids (ILs). The as-synthesized PdCl2-ILs/CuBTC catalyst was studied in selective oxidation of cyclohexene with molecular oxygen as an oxidant and TBHP as an initiator. It is found that the allylic oxidation and radical oxidation processes are main reaction pathways. More importantly, the enhancement of catalytic activity in the oxidation of cyclohexene is observed over the PdCl2-IL/CuBTC catalyst due to Pd-Cu cooperative catalysis. Furthermore, ionic liquids could have a very favourable role in the stabilization of Pd(II) species and improvement of catalyst reusability.
机译:金属有机框架CuBTC被用作载体,借助离子液体(ILs)固定PdCl2。研究了合成的PdCl2-ILs / CuBTC催化剂在用分子氧作为氧化剂和TBHP作为引发剂对环己烯的选择性氧化中的应用。发现烯丙基氧化和自由基氧化过程是主要的反应途径。更重要的是,由于Pd-Cu协同催化作用,在PdCl2-IL / CuBTC催化剂上观察到了环己烯氧化催化活性的增强。此外,离子液体在稳定Pd(II)物种和提高催化剂的可重复使用性方面可以发挥非常有利的作用。

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