amine
Sign in to savethumb|164x164px|Primary 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. thumb|3D diagram of the aromatic compound of aniline. The light black balls are carbon atoms, and white balls are hydrogen atoms, while the nitrogen atom is the blue ball. The d
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Amines are organic compounds containing carbon-nitrogen bonds that form when hydrogen atoms in ammonia are replaced by other carbon-containing groups. They are important in chemistry because they appear widely in nature and are used to create many useful substances, from pharmaceuticals to industrial materials.
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Article
34 sectionsContents
- Classification of amines
- Related compounds
- Naming conventions
- Physical properties
- Spectroscopic identification
- Structure
- Alkyl amines
- Aromatic amines
- Basicity
- Electronic effects
- Solvation effects
- Synthesis
- From alcohols
- From alkyl and aryl halides
- From alkenes
- Reductive routes
- Specialized methods
- Reactions
- Alkylation, acylation, and sulfonation, etc.
- Diazotization
- Conversion to imines
- Overview
- Biological activity
- Amine hormones
- Application of amines
- Dyes
- Drugs
- Gas treatment
- Epoxy resin curing agents
- Safety
- See also
- References
- Further reading
- External links
thumb|164x164px|Primary 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. thumb|3D diagram of the aromatic compound of aniline. The light black balls are carbon atoms, and white balls are hydrogen atoms, while the nitrogen atom is the blue ball. The dots in carbon bonds represent localization of electrons. Amines are classified into three types: primary (1°), secondary (2°), and tertiary (3°) amines. Primary amines (1°) contain one alkyl or aryl substituent and have the general formula RNH2. Secondary amines (2°) have two alkyl or aryl groups attached to the nitrogen atom, with the general formula R2NH. Tertiary amines (3°) contain three substituent groups bonded to the nitrogen atom, and are represented by the formula R3N.
The functional group present in primary amines is called the amino group.