Predict the major product P in the following reaction.

Question

Predict the major product P in the following reaction. Question

(A)

(B)

(C)

(D)

Tardigrade Admin · Accepted Answer

The given reaction is an example of semipinacol-pinacolone type rearrangement. In this reaction amine group reacts with nitrous acid to give carbocation that undergo 1,2-hydride shift to get more stable carbocation. This intermediate forms the product pinacolone.
This reaction occurs as follows
Solution

Q. Predict the major product P in the following reaction.

The given reaction is an example of semipinacol-pinacolone type rearrangement. In this reaction amine group reacts with nitrous acid to give carbocation that undergo 1,2-hydride shift to get more stable carbocation. This intermediate forms the product pinacolone. This reaction occurs as follows

The given reaction is an example of semipinacol-pinacolone type rearrangement. In this reaction amine group reacts with nitrous acid to give carbocation that undergo 1,2-hydride shift to get more stable carbocation. This intermediate forms the product pinacolone.
This reaction occurs as follows