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In organic chemistry, an aromatic amine is an organic compound consisting of an aromatic ring attached to an amine. It is a broad class of compounds that encompasses anilines, but also many more complex aromatic rings and many amine substituents beyond NH 2. Such compounds occur widely.
Identify the general structure for an amine. Identify the functional group for amines. Determine the structural feature that classifies amines as primary, secondary, or tertiary. Use nomenclature systems to name amines.
The basicity of amines depends on their structure and the availability of the lone pair. Primary and secondary amines are generally more basic than tertiary amines. Aromatic amines, despite their electron-withdrawing substituents, still display appreciable basicity.
Aromatic amines. Aromatic amines have the nitrogen atom directly connected to an aromatic ring structure. Due to its electron withdrawing properties, the aromatic ring greatly decreases the basicity of the amine – and this effect can be either strengthened or offset depending on what substituents are on the ring and on the nitrogen.
Identify the general structure for an amine. Identify the functional group for amines. Determine the structural feature that classifies amines as primary, secondary, or tertiary. Use nomenclature systems to name amines.
Most aromatic amines possess the expected basic character that results from the presence of the lone pair of electrons on the nitrogen atom and like the aliphatic amines, they usually form stable salts with inorganic and also with many organic acids.
Aromatic amines represent one of the most important classes of industrial and environmental chemicals. Many aromatic amines have been reported to be powerful carcinogens and mutagens, and/or hemotoxicants. Exposure to aromatic amines occurs in different industrial and agricultural activities as well as in tobacco smoking.
