Simply accessible platinum(II) complexes enabling alkene hydrosilylation at ppm catalyst loadings
Benon P Maliszewski1, Eleonora Casillo1, Perrine Lambert1
1Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Krijgslaan 281 (S3), Ghent 9000, Belgium. steven.nolan@ugent.be.
Platinum(II)-thioether catalysts enable efficient olefin hydrosilylation reactions. These catalysts offer high conversions at low loadings, presenting an advantage over current methods.
Area of Science:
- Organometallic Chemistry
- Catalysis
Background:
- Olefin hydrosilylation is a key transformation in organic synthesis.
- Platinum-based catalysts are widely used but can be expensive or require specific conditions.
Purpose of the Study:
- To develop a novel and efficient catalytic system for olefin hydrosilylation.
- To explore the utility of platinum(II)-thioether complexes as pre-catalysts.
Main Methods:
- Synthesis of platinum(II)-thioether complexes.
- Testing the catalytic activity in olefin hydrosilylation reactions.
- Optimization of reaction conditions and catalyst loading.
Main Results:
- The developed Pt(II)-thioether pre-catalysts demonstrated excellent catalytic activity.
- High conversions of olefins were achieved rapidly.
- Effective catalysis was observed at parts-per-million (ppm) levels of catalyst loading.
Conclusions:
- Pt(II)-thioether-based pre-catalysts provide an efficient and advantageous protocol for olefin hydrosilylation.
- The simplicity and availability of these complexes make them attractive alternatives to existing catalytic systems.
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