different between heteroaryne vs aryne

English

heteroaryne (plural heteroarynes)

(chemistry) Any compound formally derived from a heteroarene by replacing a double bond with a triple bond, and the loss of two hydrogen atoms.

aryne (plural arynes)

(chemistry) any hydrocarbon, normally a transient species, derived from an arene by removal of two hydrogen atoms from adjacent carbon atoms, and thus possessing a formal triple bond; the simplest is benzyne

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