Provide the major organic product in the reaction below.

Question

Quizplus · Accepted Answer

The reaction involves the nucleophilic addition of CH3OH to the carbonyl group of the starting material. This results in the formation of a hemiacetal intermediate which then undergoes intramolecular nucleophilic attack by the hydroxyl group to form a cyclic acetal. The major organic product is therefore the cyclic acetal, which is formed with the same stereochemistry as the starting material (i.e. cis). Choice A represents this product with the correct stereochemistry. Choices B, C, D, and E are different isomers or incorrect products.

Provide the Major Organic Product in the Reaction Below