Aryl
Aryl
Aryl (pronounced: /ˈærɪl/) is a functional group derived from simple aromatic compounds by the removal of a hydrogen atom.
Etymology
The term "aryl" is derived from the word "aromatic". It was first used in the mid-19th century and is a combination of "aromatic" and the suffix "-yl", which is used in organic chemistry to form names of radicals.
Definition
In the context of organic chemistry, an aryl group is any functional group or substituent derived from an aromatic ring, usually an aromatic hydrocarbon, such as phenyl and naphthyl. Aryl groups are usually attached to other atoms or groups of atoms through a carbon atom of the aromatic ring.
Related Terms
- Aromaticity: A chemical property in which a conjugated ring of unsaturated bonds, lone pairs, or empty orbitals exhibit a stabilization stronger than would be expected by the stabilization of conjugation alone.
- Phenyl group: A functional group with the formula -C6H5, derived directly from benzene.
- Naphthyl group: A class of aromatic hydrocarbon groups derived from naphthalene.
- Functional group: A group of atoms responsible for the characteristic reactions of a particular compound.
- Substituent: An atom or group of atoms which replaces one or more hydrogen atoms in an organic compound.
See Also
External links
- Medical encyclopedia article on Aryl
- Wikipedia's article - Aryl
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