17. Amines

Identify the following compounds as primary, secondary, or tertiary amines.

a. CH₃(CH₂)₄CH₂NH₂

Identify the following compounds as primary, secondary, or tertiary amines.

b. CH₃CH₂CH₂NHCH(CH₃)₂

Identify the following compounds as primary, secondary, or tertiary amines.

c.

a. For the compound above, identify each nitrogen as either a primary, secondary, tertiary, quaternary, or aromatic amine.

In the following structure, identify each functional group as primary, secondary, tertiary amine, or as a quaternary ammonium ion.

Provide compounds that fit the following descriptions:

a. Two amines that are gases at room temperature

b. A heterocyclic amine

c. A compound with an amine group on an aromatic ring

Classify each of the following amines as primary (1°), secondary (2°), or tertiary (3°):

c

Classify each of the following amines as primary (1°), secondary (2°), or tertiary (3°):

d.

Classify each of the following amines as primary (1°), secondary (2°), or tertiary (3°):

c.

Draw the condensed and line formula of the molecule in the margin. Is it a primary, secondary, or tertiary amine? Why?

Which is the stronger base, trimethylamine or ammonia? In which direction will the following reaction proceed?

Draw the structure of the following amino acids, dipeptides, and tripeptides at low pH (pH 1) and high pH (pH 14). At each pH, assume that all functional groups that might do so are ionized.

e. Gln-Ala-Asn

Which of the following compounds are heterocyclic nitrogen compounds?

a.

b.

c.

d.

Draw the structures of (a) ethylamine and (b) trimethylamine. Use dashed lines to show how they would form hydrogen bonds to water molecules.

Which is the stronger base in each pair?

a. Ammonia or ethylamine

b.Triethylamine or pyridine