Return to Contents  Chapter 9 : Alkynes  Ch 9 contents
Hydrogenation of Alkynes
Reaction Type: Electrophilic Addition

Summary

Related reactions
CATALYTIC HYDROGENATION
Step 1:
Hydrogen gets absorbed onto the metal surface.
schematic diagram of catalytic hydrogenation of an alkyne
Step 2:
Alkyne approaches the H atoms absorbed on the metal surface.
Step 3:
C≡C  reacts with the H atoms on the surface forming the two new C-H σ bonds generating the alkene.

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organic chemistry © Dr. Ian Hunt, Department of Chemistry University of Calgary