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CO2 Hydrogenation to Formate with Immobilized Ru‐Catalysts Based on Hybrid Organo‐Silica Mesostructured Materials
ChemCatChem ( IF 3.8 ) Pub Date : 2018-10-16 , DOI: 10.1002/cctc.201801368
Hung‐Kun Lo 1 , Christophe Copéret 1
Affiliation  

The hydrogenation of CO2 to formic acid can be carried out by numerous homogenous catalysts, while efficient heterogeneous catalysts are rare. In this work, we successfully synthesize an immobilized lutidine‐derived pincer‐type N‐heterocyclic carbene ruthenium complex based on a mesoporous organo‐silica hybrid material using sol‐gel direct synthesis in the presence of structure directing agents and click chemistry as the two key pillars of this strategy. This material efficiently catalyzes the hydrogenation of CO2 into formate with turnover numbers reaching 18′000 within 24 hours, surpassing the performance of the corresponding homogeneous complexes.

中文翻译:

基于杂化有机硅介孔结构材料的固定化Ru催化剂进行CO2加氢生成甲酸酯

可以通过多种均相催化剂将CO 2加氢成甲酸,而有效的非均相催化剂却很少。在这项工作中,我们成功地基于介孔有机硅杂化材料,在结构导向剂的存在下,通过溶胶-凝胶直接合成,成功地合成了固定化的二甲基吡啶衍生的钳型N-杂环卡宾钌络合物此策略的支柱。该材料有效地催化了CO 2的氢化成甲酸酯,其转化数在24小时内达到18'000,超过了相应的均相配合物的性能。
更新日期:2018-10-16
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