AMINO
In chemistry, amines (, UK also ) 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 hetero cyclic compounds. Aniline (
C
6
H
7
N
{\displaystyle {\ce {C6H7N}}}
) is the simplest aromatic amine, consisting of a benzene ring bonded to an amino (–
NH
2
{\displaystyle {\ce {NH2}}}
) group.
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
RNH
2
{\displaystyle {\ce {RNH2}}}
. Secondary amines (2°) have two alkyl or aryl groups attached to the nitrogen atom, with the general formula
R
2
NH
{\displaystyle {\ce {R2NH}}}
. Tertiary amines (3°) contain three substituent groups bonded to the nitrogen atom, and are represented by the formula
R
3
N
{\displaystyle {\ce {R3N}}}
.
The functional group −NH2 present in primary amines is called the amino group.
Thérapie
- 2023-06-07T00:00:00.000000Z
compliqué
- 2025-06-13T00:00:00.000000Z
Désaccord
- 2024-02-17T00:00:00.000000Z
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