Question

The major product formed in the following reaction: 

 is:

• A. \(\text{OH}\) \(\text{CHO}\)
• B. \(\text{OH}\) \(\text{OHC}\)
• C. \(\text{OH}\) \(\text{OHC}\)
• D. \(\text{OH}\) \(\text{CHO}\)

Hint:

In reactions involving photochemical steps, look for rearrangements or transformations that involve the addition of functional groups.

Answer 1

The Correct Option is A

The reaction involves the formation of the major product through a sequence of steps:
- Step (i): Reaction with NOCl introduces a nitroso group into the molecule.
- Step (ii): The photochemical reaction \( h\nu \) likely induces a rearrangement or a reaction such as the formation of an alkyl nitrite.
- Step (iii): The addition of HCl leads to the formation of an aldehyde group at the position of the existing hydroxyl group, resulting in the major product as shown in option (A).
Final Answer: \(\text{OH}\) \(\text{CHO}\).