Reactions of Alkynes
In this problem we shall consider three alkyne
reactants:
ethyne
(acetylene)
1-butyne
2-butyne
These compounds may be reacted with nine different
reagents:
Hydrogen & Lindlar catalyst
Hydrogen & Pt catalyst
H
3
O
(+)
& HgSO
4
Hydrogen Chloride
(1 equivalent)
Sodium in liq. Ammonia
Bromine
(2 equivalents)
(i) Disiamylborane, R
2
BH
(ii) H
2
O
2
in NaOH soln.
Hydrogen Chloride
(2 equivalents)
(i) Sodium Amide
(1 equivalent)
(ii) Ethyl bromide
Select one alkyne from the first group, and one reagent from the second group.
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