Amide

[R]C(=O)N([R])[R]

• $\mathrm{NH}{}_2$ corresponds to a primary amide $(1^{\circ })$
• $(\mathrm{NH})\mathrm{R}$ corresponds to a secondary amide $(2^{\circ })$
• $\mathrm{NR}{}_2$ corresponds to a tertiary amide $(3^{\circ })$