heteroarynes

https://doi.org/10.1351/goldbook.H02793
Compounds derived from @H02791@ by replacement of a formal carbon-carbon double bond by a formal triple bond (with loss of two hydrogen atoms). Also known as @H02789@ and as 1,2-didehydroheteroarenes. E.g.
H02793.png
See:
aryne
,
heteroarenes
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1340 [Terms] [Paper]