Abstract
Rapid and reversible migrations of the phenylsulfanyl group around the seven-membered ring of 7-phenylsulfanylcyclohepta- 1,3,5-triene have been proved to proceed through successive 1,7-sigmatropic shifts with an energy barrier (ΔG≠298) in the range of 19.5−20.1 kcal mol–1.
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