arylene groups

https://doi.org/10.1351/goldbook.A00463
Bivalent groups derived from @A00435@ by removal of a hydrogen atom from two ring carbon atoms. A synonym is arenediyl groups. E.g. o-phenylene or benzene-1,2-diyl:
A00463.png
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]