How to convert but-2-yne from Chloromethane
Answers
Answered by
0
Answer:
Reactions that might be helpful:
Halogenation
R-OH + P/
X
2
→ R-X
Dehydrohalogenation
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Finkelstein Reaction
CH3CH2Br (acetone) + NaI (acetone) → CH3CH2I (acetone) + NaBr (s)
Wurtz Reaction
2R–X + 2Na → R–R + 2Na+X−
Electrophilic Addition,
Nucleophilic Substitution
Organic Chemistry
1 Answer
Ernest Z.
Jul 1, 2017
Answer:
How about this?
Explanation:
1. Halogenation
CH
3
CH
2
-OH
P/Br
2
m
m
−−−−−→
CH
3
CH
2
-Br
2. Dehydrohalogenation
CH
3
CH
2
-Br
alc. KOH,
Δ
m
m
−−−−−−−−−→
H
2
C=CH
2
3. Electrophilic addition
H
2
C=CH
2
Br
2
m
m
−−−→
Br-CH
2
-CH
2
-Br
4. Dehydrohalogenation
Br-CH
2
-CH
2
-Br
Na, liq. NH
3
m
m
−−−−−−−−−→
Na
+
-
C
≡
-
C
Na
+
5. Nucleophilic substitution
Na
+
-
C
≡
-
C
Na
+
CH
3
Br
m
m
−−−−−→
CH
3
C≡CCH
3
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