Chapter 9: Alkyne reactions Flashcards
1
Q
Preparation of terminal alkynes
A
(1) xs NaNH2 in NH3
(2) H2O
2
Q
Catalytic Hydrogenation (all the way through)
A
H2, Pt
3
Q
Catalytic Hydrogenation, just once, syn addition
A
H2, Lindlar’s catalyst
4
Q
Dissolving Metal Reduction
A
Na, NH3 (l)
5
Q
Hydrohalogenation once
A
1 equivalent HBr
6
Q
Hydrohalogenation twice
A
xs HBr
7
Q
Hydrohalogenation anti Markovnikov
A
HBr and ROOR
8
Q
Acid-catalyzed hydration
A
H2SO4, H2O, HgSO4
9
Q
Base-Catalyzed addition of water
A
(1) BH3 . THF
(2) H2O2, NaOH
10
Q
Halogenation twice
A
xs X2
11
Q
Halogenation once
A
1 equivalent X2
12
Q
Ozonolysis to produce carboxylic acids
A
(1) O3
(2) H2O
13
Q
Alkylation
A
(1) NaNH2
(2) RX