Question

the major product A and B from the the following reaction are

• A.
• B.
• C.
• D.

Answer 1

The Correct Option is A

The given reaction involves two steps: 

1. Reduction with LiAlH₄:
   • LiAlH₄ is a strong reducing agent that reduces amides to primary amines.
   • The amide group is reduced to form B, which is Cyclohexylamine (\(C_6H_{11}NH_2\)).
2. Reaction with Br₂/AcOH (Hoffmann Bromamide Reaction):
   • Bromine (\(Br_2\)) in the presence of acetic acid (\(AcOH\)) facilitates the Hoffmann bromamide reaction.
   • This leads to the formation of an alkyl isocyanate intermediate, which hydrolyzes to yield the final product A.
   • A is Cyclohexanone (\(C_6H_{10}O\)).

Final Products:

• B: Cyclohexylamine (\(C_6H_{11}NH_2\))
• A: Cyclohexanone (\(C_6H_{10}O\))