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Homogeneous catalysis

Catalysts feel the force

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Latent catalysts require activation, and this is often achieved with either heat, light or an additional chemical agent. By attaching polymer chains to known classes of metal–carbene complexes, it has now been shown that mechanical force can also be used to induce catalytic activity.

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Figure 1: Schematic representation emphasizing the ease of 'on' and 'off' switching of a mechanically activated catalyst that is generated via ultrasound waves, and the corresponding effect of metal–carbene bond scission on the rate of catalysis.

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Rathore, J., Nelson, A. Catalysts feel the force. Nature Chem 1, 102–103 (2009). https://doi.org/10.1038/nchem.189

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