Question

Consider the given reaction :-

$\xrightarrow { \mathrm { Pd } / \mathrm { C } }$ Product.z

In the above reaction, which one of the given ring will undergo reduction ?

• A. Ring A
• B. Ring B
• C. Ring C
• D. Ring D

Answer 1

Answer: (A)

Ring A

Answer 2

The given compound contains three cyclobutadiene ring. These rings are anti aromatic. Reduction of ring A will lose cyclobutadiene rings.