Octyne

Octynes are alkynes with one triple bond and the molecular formula C₈H₁₄.

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Alkynes
Ethyne ( C ₂H ₂ ) Propyne ( C ₃H ₄ ) Butyne ( C ₄H ₆ ) 1 2 Pentyne ( C ₅H ₈ ) 1 2 Hexyne ( C ₆H ₁₀ ) Heptyne ( C ₇H ₁₂ ) Octyne ( C ₈H ₁₄ ) 2 4 Nonyne ( C ₉H ₁₆ ) Decyne ( C ₁₀H ₁₈ ) 1 5
Preparations	Cracking Dehydrogenation of alkane, alkene Alkylation of alkynyl anion Dehydrohalogenation of dihaloalkane Fritsch–Buttenberg–Wiechell rearrangement Corey–Fuchs reaction Seyferth–Gilbert homologation
Reactions	Deprotonation Hydrogenation Halogenation Hydration Hydroboration Hydrohalogenation Thiol-yne reaction Alkyne trimerisation Diels–Alder reaction Pauson–Khand reaction Azide-alkyne Huisgen cycloaddition Sonogashira coupling Cadiot–Chodkiewicz coupling Glaser coupling Favorskii reaction