Cobalt-containing zeolitic imidazole frameworks for C–H activation using visible-light redox photocatalysis,Catalysis Science & Technology

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Cobalt-containing zeolitic imidazole frameworks for C–H activation using visible-light redox photocatalysis
Catalysis Science & Technology ( IF 4.4 ) Pub Date : 2020-09-07 , DOI: 10.1039/d0cy01061h
Matthew E. Potter _{1,

2,

3,

4} , Cameron P. Ross _{1,

2,

3,

4,

5} , Diego Gianolio _{4,

6,

7,

8} , Ramon Rios _{1,

2,

3,

4} , Robert Raja _{1,

2,

3,

4}

Affiliation

The activation of C–H bonds for carbon–carbon coupling reactions remains a challenge in organic synthesis. Visible light photocatalysis offers a unique opportunity to sustainably perform these reactions in a single-step, without the need for caustic reagents, and under ambient operating conditions. We utilize non-noble metals in the form of hybrid cobalt-based zeolitic imidazole frameworks, for the first time, to explore the structure–property correlations leading to the photocatalytic formation of C–C bonds. Combining in situ spectroscopy and theoretical simulations we can rationalize the photocatalytic efficacy of different frameworks. This led to an improved understanding of the nature of the photocatalytic active sites and associated reaction pathway.

中文翻译：

含钴的沸石咪唑骨架可通过可见光氧化还原光催化进行C–H活化

碳-碳偶联反应中C–H键的活化仍然是有机合成中的挑战。可见光光催化提供了独特的机会，可以在一个步骤中可持续地进行这些反应，而无需使用腐蚀性试剂，并且可以在环境操作条件下进行。我们首次以混合钴基沸石咪唑骨架的形式利用非贵金属，以探索导致光催化形成C–C键的结构与性质的相关性。结合原位光谱和理论模拟，我们可以合理化不同框架的光催化功效。这导致人们对光催化活性位点的性质和相关的反应途径有了更好的了解。

更新日期：2020-09-16

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