Organic Chemistry Some Basic Principles and Techniques - Result Question 43

####49. Consider the following compoundsCC1[C]2CCC1CC2c1ccc(Cc2ccccc2)cc1

(I)

(III)

Hyperconjugation occurs in :

(a) II only

(b) III only

(c) I and III

(d) I only

Show Answer

Solution:

  1. (b) Only structure (III) has $H$ in conjugation with free radical.

So, hyperconjugation is possible in III only.



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