Question

Explain why the amino group of p-aminobenzoic acid does not participate in the reaction

Answer 1

This is because amino group of p-aminobenzoic acid is an aniline and is less electrophilic than an alkyl amine.

What is an Aniline?

This is an aromatic amine which consists of a phenyl group attached to an amino group.

The amino group of p-aminobenzoic acid being an aniline makes it less electrophilic which is why an alkyl amine participates in the reaction instead.

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