Aryl vs. Phenyl

Arylnoun

(organic chemistry) Any univalent organic radical derived from an aromatic hydrocarbon by removing a hydrogen atom.

Aryl

In the context of organic molecules, aryl is any functional group or substituent derived from an aromatic ring, usually an aromatic hydrocarbon, such as phenyl and naphthyl. is used for the sake of abbreviation or generalization, and is used as a placeholder for the aryl group in chemical structure diagrams, analogous to “R” used for any organic substituent.

Phenylnoun

(organic chemistry) A univalent hydrocarbon radical (C6H5) formally derived from benzene by the removal of a hydrogen atom, and the basis of an immense number of aromatic derivatives.

Phenylnoun

A hydrocarbon radical (C6H5) regarded as the essential residue of benzene, and the basis of an immense number of aromatic derivatives.