Chapter 5, Problem 31P

Interpretation Introduction

Interpretation:

Every nitrogen-containing functional group in the anesthetic lidocaine is to be classified as an amide or a primary, secondary, or tertiary amine.

Concept introduction:

An amine functional group contains a nitrogen atom bonded to one, two, or three carbon atoms with hydrogens making up its valence of three.

Amines are classified as primary, secondary, or tertiary, based on whether the nitrogen is bonded to one, two, or three carbon atoms.

An amide contains a nitrogen atom bonded to a carbonyl group, with carbon and hydrogen atoms making up its valence of three.