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Mechanochemistry

Measuring the force of sound

The action of ultrasound on mechanically responsive functional groups — so-called mechanophores — embedded in a polymer chain often permits unusual chemical transformations. There is now a systematic effort to quantify the reactivity of mechanophores in relation to their structure.

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Figure 1: A series of cyclobutane mechanophores.
Figure 2: The linear relationships between experimental rate constants for polymer scission and initial polymer molecular masses.

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Correspondence to Pedro Cintas or Giancarlo Cravotto.

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Cintas, P., Cravotto, G. Measuring the force of sound. Nature Chem 4, 77–78 (2012). https://doi.org/10.1038/nchem.1248

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