Problem: Labelling The rearrangement below could proceed by intramolecular or intermolecular mechanisms. ОН intramolecul

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Problem: Labelling The rearrangement below could proceed by intramolecular or intermolecular mechanisms. ОН intramolecular intermolecular 1. Propose an experiment involving a singly-labelled substrate that could distinguish between these possibilities. Consider the symmetry of the resonance stabilised cationic fragment in the intermolecular pathway. Designing labelling experiments: check if the hypothetical mechanisms lead to different connectivities in the product; label one atom that would be bonded to different atoms in the products depending on the mechanism.