What is it about?
We combined palladium with molecules made from theophylline and found that they assembled into tiny flower-shaped particles. These “microflowers” acted as a catalyst for joining carbon-containing molecules in a liquid containing water at room temperature. In a test reaction, adding common salt allowed us to collect and reuse the catalyst 20 times without a loss of activity.
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Why is it important?
Palladium catalysts are useful for making compounds used in medicines and materials, but palladium is valuable and repeated use can be difficult. Our flower-shaped catalyst remained effective through 20 uses under the tested conditions. Salt helped preserve the particles’ shape and prevented the formation of inactive metallic palladium, offering a way to improve catalyst durability.
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This page is a summary of: Microflowers formed by complexation-driven self-assembly between palladium(ii) and bis-theophyllines: immortal catalyst for C–C cross-coupling reactions, RSC Advances, January 2021, Royal Society of Chemistry,
DOI: 10.1039/d1ra06177a.
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