1.

Consider the reaction of with aqueous HI. Explain your choice of the faster reaction.

Answer»

SOLUTION :A significant difference between these TWO REACTANTS is the presence of a ring strain in the four-membered ring ETHER (called an oxetane). This ring strain is absent in the six-membered ring ether (called a tetrahydropyran). Relief of this ring strain would make the oxetane CLEAVAGE reaction faster than the tetrahydropyran cleavage reaction.


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