Carbocation Rearrangement 2

Carbocation Rearrangement 1

Carbocation & Rearrangement |Questions|Summary

Reaction Intermediates|| Carbocation|| Stability OF Carbocation|| Rearrangement OF Carbocation (Hydride, Alkyl and Phenyl shift Reaction)

The following transformation involves a carbocation rearrangement. The carbocation is generated by potonation of the hydroxyl group by the lose of water. Which bond has to migrate in the carbocation to yield the product indicated (after the deprotonation) ?

Give possible mechanism of the given reaction using carbocation rearrangement.

Which of the following bromides is the major product of the reaction shown below, assuming that there are no carbocation rearrangement?

Carbocation are

Reaction Mechanism : transition state - reaction intermediates, carbocation - rearrangement and hydride shift