Question: b. (i) Classify the reaction shown in Scheme 6 as an (x,y] sigmatropic shift. OH HO -OH Colour OH Scheme 6 (ii) Propose a mechanism

b. (i) Classify the reaction shown in Scheme 6 as an

b. (i) Classify the reaction shown in Scheme 6 as an (x,y] sigmatropic shift. OH HO -OH Colour OH Scheme 6 (ii) Propose a mechanism to account for the sigmatropic rearrangement shown in Scheme 6. (iii) Account for the stereochemical outcome of the reaction in terms of the Woodward Hoffman rules

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