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Acid catalysed rearrangement of a series of 4-PhS-1,3-diols with toluene-p-sulfonic acid in benzene gives stereospecifically substituted 3-PhS-tetrahydrofurans in excellent yield via a [1,2]-SPh shift. We comment on the structural variation at both the migration origin and terminus on the outcome of the title reaction and define its limits.


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