Dihydropyran is synthesized by treating tetrahydrofurfuryl alcohol with an arenesul- fonic acid, ARSO,H. Propose a mechanism for this conversion. ARSO,H OH + H,O Tetrahydrofurfuryl Dihydropyran alcohol

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A:

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A: The mechanism is as follows:

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A: All steps by steps mechanism are shown in image.

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A: Given reaction

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A: a.

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A:

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A: Given :

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