Triols containing three secondary hydroxy groups were rearranged using either (i) toluene-p-sulfonic acid or (ii) trimethyl orthoacetate–pyridinium toluene-p-sulfonate followed by toluene-p-sulfonic acid
![Graphical abstract: Scope and limitation of the [1,2]-phenylsulfanyl (PhS) migration in the synthesis of tetrahydrofurans and tetrahydropyrans from common triol precursors](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=B208558E&imageInfo.ImageIdentifier.Year=2002)
D. House, F. Kerr and S. Warren, J. Chem. Soc., Perkin Trans. 1, 2002, 2652 DOI: 10.1039/B208558E
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