Remote C-H bond cooperation strategy enabled silver catalyzed borrowing hydrogen reactions
Zhe Chen1, Laofeng Ouyang1, Ning Wang2
1School of Materials Science and Engineering, PCFM Lab, the Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province, Sun Yat-sen University Guangzhou 510006 P. R. China kezhf3@mail.sysu.edu.cn.
This study introduces a novel remote C-H bond cooperation strategy for silver catalysis. This approach enables efficient borrowing hydrogen/hydrogen auto-transfer reactions with low-coordination silver complexes.
Area of Science:
- Organometallic Chemistry
- Catalysis
- Homogeneous Catalysis
Background:
- Metal-ligand cooperation (MLC) is crucial in transition metal catalysis.
- Traditional MLC catalysts face limitations with low-coordination coinage metals.
- Existing methods struggle with stability and coordination constraints.
Purpose of the Study:
- To develop a new MLC strategy for homogeneous silver(i)-catalyzed borrowing hydrogen/hydrogen auto-transfer (BH/HA) reactions.
- To overcome challenges associated with low-coordination metal complexes.
- To expand the scope of MLC catalysts to include d10 coinage metals.
Main Methods:
- Development of a remote C-H bond cooperation strategy.
- Utilizing a silver(i) complex with a bis-N-heterocyclic carbene (NHC) ligand.
- Investigating the catalytic mechanism through mechanistic studies.
Main Results:
- Achieved unprecedented homogeneous Ag(i)-catalyzed BH/HA reactions.
- Demonstrated the effectiveness of remote C-H bond cooperation for low-coordination metals.
- Showcased the role of the NHC ligand in stabilizing silver-hydride and enhancing reactivity.
Conclusions:
- The remote C-H bond cooperation strategy is effective for Ag(i)-catalyzed BH/HA reactions.
- This approach broadens the application of MLC to d10 coinage metals.
- The study highlights the potential of C-H bond cooperation in catalysis.
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