Amination
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Amination is the process by which an amine group is introduced into an organic molecule. This type of reaction is important because organonitrogen compounds are pervasive.
Amination reactions
Enzymes that catalyse this reaction are termed aminases. Amination can occur in a number of ways including reaction with ammonia or another amine such as an alkylation, reductive amination and the Mannich reaction. For example, -COOH --> -CONH2.
Many alkyl amines are produced industrially by the amination of alcohols using ammonia in the presence of acid catalysts.[1]
In electrophilic amination, the amine as the nucleophile react with anothr the organic compound as the electrophile. This sense of reactivity may be reversed for some electron-deficient amines, including oxaziridines, hydroxylamines, oximes, and other N–O substrates. When the amine is used as an electrophile, the reaction is called electrophilic amination. Electron-rich organic substrates that may be used as nucleophiles for this process include carbanions and enolates.
In hydroamination, amines add to alkenes.[2]
See also
- Alkylation, the addition of an alkyl group
- Acylation, the addition of an acyl group (-COCH3)
- Deamination
References
- ↑ Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. doi:10.1002/14356007.a02_001
- ↑ Liangbin Huang, Matthias Arndt, Käthe Gooßen, Heinrich Heydt, and Lukas J. Gooßen "Late Transition Metal-Catalyzed Hydroamination and Hydroamidation" Chem. Rev., 2015, 115 (7), pp 2596–2697. doi:10.1021/cr300389u
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