Re Amine

In chemistry, amines are organic compounds that contain carbon–nitrogen bonds. Amines are formed when one or more hydrogen atoms in ammonia are replaced by alkyl or aryl groups. The nitrogen atom in an amine possesses a lone pair of electrons. Amines can also exist as heterocyclic compounds. Aniline () is the simplest aromatic amine, consisting of a benzene ring bonded to an amino () group.