aryl groups

https://doi.org/10.1351/goldbook.A00464
Groups derived from @A00435@ by removal of a hydrogen atom from a ring carbon atom. Groups similarly derived from @H02791@ are sometimes subsumed in this definition. E.g. o-tolyl:
A00464.png
See:
arenes
,
heteroarenes
,
heteroaryl groups
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1320 [Terms] [Paper]