Alkynes - Problem 3

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Alkynes can also be named as substituents. Name the following radicals that contain triple bonds.

alkyne radical nomenclature

 

SOLUTION:

radical 01                      ethynyl

radical 02               1-propynyl

radical 03          2-Butynyl

radical 04                    methylidyne

radical 05                 ethylidyne

radical 06                     benzylidyne


yoTriple bond radicals are named by ending in -ynyl the prefix indicating the number of carbons. When a radical has 3 free valences it ends in -idyne.