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If the reaction vessel were exposed to water during the course of the reflux, would a Diels-Alder reaction also take place with the hydrolyzed dienophile from question 2? Why or why not? Draw the structure of the product formed if the hydrolyzed 5,6-dihydro-2H-pyran-2-one were to undergo a Diels-Alder reaction with anthracene.

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