Primary and secondary amines can hydrogen bond with like molecules of themselves. Tertiary amines have much lower boiling points as they cannot hydrogen bond with other tertiary amines. Amines have strong odors. 3 N trimethylamine 3 Chemical Properties of Amines. Amines are weak bases just as ammonia is.
Amines react with acid chlorides and acid anhydrides to form amides.
Biologically Important Amines. Four neurotransmitters are acetycholine, norepinephrine, dopamine, and serotonin. The amphetamines have structures similar to that of epinephrine. Alkaloids are nitrogen-containing compounds isolated from plants. They exhibit a variety of physiological effects on the body.