In the above reaction, left hand side and right hand side rings are named as ‘ A ’ and ‘ B ’ respectively. They undergo ring expansion. The correct statement for this process is:

Question

In the above reaction, left hand side and right hand side rings are named as ‘ A ’ and ‘ B ’ respectively. They undergo ring expansion. The correct statement for this process is:, Ring expansion can go upto seven membered rings, Finally both rings will become six membered each., Finally both rings will become five membered each., Only A will become 6 membered.

MARKS App · Accepted Answer

The reaction proceeds through a carbocation intermediate. The carbocation formed undergo rearrangement by ring expansion. Four membered ring undergo ring expansion to five membered ring and five membered ring undergo ring expansion to six membered ring and finally it converts to alkene by losing proton.

Search any question & find its solution

Looking for more such questions to practice?