Which of the following would be the major product in the following reaction sequence?
Understand the Problem
The question is asking which of the provided structures (I, II, III, IV, V) is the major product of a given reaction sequence involving N-bromosuccinimide (NBS) and methanol under heat. This requires understanding the mechanism of the reactions and how they might affect the product formation.
Answer
III
The final answer is III.
Answer for screen readers
The final answer is III.
More Information
The reaction begins with allylic bromination using NBS, followed by a nucleophilic substitution with methoxide, leading to rearrangement and stabilizing the product.
Tips
A common mistake is not recognizing the allylic position for bromination or misinterpreting the role of NBS and the nucleophile in the reaction sequence.
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