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Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
Published on: May 12, 2023
3.3K
Phosphorous-substituted redox-active ligands in base metal hydrosilylation catalysis
Anuja Sharma1, Ryan J Trovitch1
1School of Molecular Sciences, Arizona State University, Tempe, Arizona, 85287, USA. ryan.trovitch@asu.edu.
Dalton Transactions (Cambridge, England : 2003)
|October 22, 2021
Summary
This study showcases phosphine-containing redox-active ligands for effective hydrosilylation catalysis. These ligands enable manganese, iron, cobalt, and nickel catalysts to achieve high activity in C-O bond hydrosilylation.
Area of Science:
- Organometallic Chemistry
- Catalysis Science
Background:
- Hydrosilylation is a key reaction in organic synthesis.
- Developing efficient catalysts for C-O bond activation remains a challenge.
Purpose of the Study:
- To explore the use of phosphine-containing redox-active ligands in catalysis.
- To achieve efficient hydrosilylation of carbonyl, carboxylate, and ester C-O bonds.
Main Methods:
- Synthesis of manganese, iron, cobalt, and nickel precatalysts with novel chelates.
- Evaluation of catalytic activity in hydrosilylation reactions.
- Conducting mechanistic studies to understand catalyst behavior.
Main Results:
- Demonstrated high catalytic activity for carbonyl, carboxylate, and ester C-O bond hydrosilylation.
- Successfully employed manganese, iron, cobalt, and nickel precatalysts.
- Identified the critical role of phosphine hemilability through mechanistic investigations.
Conclusions:
- Phosphine-containing redox-active ligands are highly effective for hydrosilylation catalysis.
- These ligands facilitate efficient C-O bond activation across various metal centers.
- Understanding ligand hemilability is crucial for optimizing catalytic performance.
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