Acetylenic

In organic chemistry, the term acetylenic designates

• A doubly unsaturated position (sp-hybridized) on a molecular framework, for instance in an alkyne such as acetylene;
• An ethynyl fragment, HCC-, or substituted homologue.

See also

• Allylic/Homoallylic
• Benzylic
• Propargylic/Homopropargylic
• Vinylic