Immobilized Mercury Ions as Catalytically Active Sites in Metal-Organic Frameworks

本提案旨在合成和表征含汞金属-有机骨架，并对其在有机合成中的催化应用进行研究。由于汞及其化合物的迫在眉睫和长期的毒性，这些材料在很大程度上已被学术和工业合成所取代。然而，汞化合物对于某些有机反应来说仍然是不可避免的。在这些反应中，应用的汞物种必须从反应混合物中除去，然后处理。该项目提案旨在取代这些化合物。通过在MOF中加入汞，催化活性汞离子将分别变得不可溶和固定。因此，应评估一种在合成后分离汞化合物的简便方法，以及回收催化剂的可能性。此外，这种包埋可以提高催化活性，从而减少必要的汞含量。

The present proposal aims at the synthesis and characterization of mercury containing metal-organic frameworks, MOFs, which are to be investigated for catalytic applications within organic synthesis. Due to the imminent and chronic toxicity of mercury and its compounds, these materials have been replaced within academic and industrial synthesis to a large extent. However, mercury compounds are still inevitable for some organic reactions. Within those reactions the applied mercury species have to be removed from reaction mixtures and disposed thereafter. The project proposal aims to replace those compounds.Via incorporation of mercury within MOFs, catalytically active mercury ions are to be made unsoluble and immobilized, respectively. Thus, an easy method for the separation of the mercury compound after synthesis, as well as the possibility for a recycling of the catalyst, shall be evaluated. Moreover, such an embedding can enhance the catalytic activity, thereby reducing the necessary amount of mercury.