Illustrated Glossary of Organic Chemistry
Ar:
(1) An abbreviation meaning '
aromatic
ring'.
can be abbreviated as
(2) The chemical symbol for the element
argon
.
Argon
does not form stable compounds, so 'Ar' in a
molecular structure
refers to an
aromatic
ring.
Related terms:
Benzene ring
,
phenyl
,
Ph
,
heteroaromatic
Wikipedia entry
Return to glossary index