Arynes or benzynes are highly reactive species derived from an aromatic ring by removal of two ortho substituents. Arynes usually best described as having a strained triple bond; however, they possess some biradical character as well. The term aryne is most closely associated with ortho-aryne, however para- and meta-aryne intermediates have been d...
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A hydrocarbon derived from an arene by abstraction of two hydrogen atoms from adjacent carbon atoms; thus 1,2-didehydroarene. Arynes are commonly represented with a formal triple bond. The analogous heterocyclic compounds are called heteroarynes or hetarynes. E.g. benzyne Arynes are usually transient species. IUPAC CLASS NAMES (1993).
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