Page "Alkyne" Paragraph 20
from
Wikipedia
Hydrohalogenation gives the corresponding vinyl halides or alkyl dihalides, again depending on the number of equivalents of HX added.
The addition of water to alkynes is a related reaction except the initial enol intermediate converts to the ketone or aldehyde.
Illustrative is the hydration of phenylacetylene gives acetophenone, and the ( Ph < sub > 3 </ sub > P ) AuCH < sub > 3 </ sub >- catalyzed hydration of 1, 8-nonadiyne to 2, 8-nonanedione:
Page 1 of 1.
1.923 seconds.