Moore, James Alexander Formerly, Department of Chemistry, University of Delaware, Newark, Delaware.
Last reviewed:October 2019
- Structure and properties
- Addition reactions
- Cyclization reactions
- Diynes and polyynes
- Related Primary Literature
- Additional Reading
A hydrocarbon that contains a triple carbon bond, C C. The first compound in the series is acetylene. Names of alkynes are formed by changing the -ane ending of the corresponding alkane to -yne and numbering as needed, for example, 2-pentyne (structure 1 ), the 2 indicating that the triple bond is at the second carbon atom of the chain. Some compounds can be named as a substituted acetylene, for example, diphenylacetylene ( 2 ); or the ethynyl group (C CH) can be named as a substituent, for example, 1-ethynylcyclopentanol ( 3 ).
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