Question

Which of the following can undergoes nucleophilic substitution by its neighbouring group participation?

• A.
• B.
• C.
• D.

Answer 1

Answer: (A), (B), (C), (D)

When a nucleophile is a part of the reacting molecule, the substitution process is known as intramolecular $S_{N}NGP$.

Some of the groups that show neighbouring group participation are sulphide, amine, benzene, ester, ether, carboxylate, halide etc.

Here all the four compounds shows neighbouring group participation.