Which of the following methods is best suited as a high-yield synthesis of 2-methyl-3-hexyne? O O CI -Li -Li Br CH3CH₂Br NaNH,, NHạ (/) H₂, Lindlar's catalyst 1. Cl, CC14 2. NaNH, NHạ (1)
Which of the following methods is best suited as a high-yield synthesis of 2-methyl-3-hexyne? O O CI -Li -Li Br CH3CH₂Br NaNH,, NHạ (/) H₂, Lindlar's catalyst 1. Cl, CC14 2. NaNH, NHạ (1)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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- Reactants:
- 2-chloropropyne (with lithium)
- Propyl bromide
- Reaction Scheme:
\[
\begin{array}{c}
\begin{array}{cc}
\text{Br} & \text{Li} \\
\end{array}
\rightarrow
\end{array}
\]
- **Option 2:**
- Reactants:
- 2-methyl-3-pentyn-2-yl lithium
- Ethyl bromide
- Reaction Scheme:
\[
\begin{array}{c}
\text{CH}_3\text{CH}_2\text{Br}
\rightarrow
\end{array}
\]
- **Option 3:**
- Reactants:
- 1,2-dichloro-3-methylpentane
- Sodium Amide (NaNH<sub>2</sub>), Ammonia (NH<sub>3</sub>, l)
- Reaction Scheme:
\[
\begin{array}{c}
\text{NaNH}_2, \text{NH}_3 (\text{l})
\rightarrow
\text{H}_2, \text{Lindlar's catalyst}
\rightarrow
\end{array}
\]
- **Option 4:**
- Reactants:
- 3-hexene
- 1. Chlorine (Cl<sub>2</sub>), carbon tetrachloride (CCl<sub>4</sub>)
- 2. Sodium Amide (NaNH<sub>2</sub>), Ammonia (NH<sub>3</sub>, l)
- Reaction Scheme:
\[
\begin{array}{c](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc6f2dad8-44c2-427d-931f-a7864329b9e3%2Fadb21a78-add8-44ef-94bb-6f1f36e4252d%2Fuj4uc6_processed.png&w=3840&q=75)
Transcribed Image Text:**Question 9 of 20**
**Which of the following methods is best suited as a high-yield synthesis of 2-methyl-3-hexyne?**
- **Option 1:**
- Reactants:
- 2-chloropropyne (with lithium)
- Propyl bromide
- Reaction Scheme:
\[
\begin{array}{c}
\begin{array}{cc}
\text{Br} & \text{Li} \\
\end{array}
\rightarrow
\end{array}
\]
- **Option 2:**
- Reactants:
- 2-methyl-3-pentyn-2-yl lithium
- Ethyl bromide
- Reaction Scheme:
\[
\begin{array}{c}
\text{CH}_3\text{CH}_2\text{Br}
\rightarrow
\end{array}
\]
- **Option 3:**
- Reactants:
- 1,2-dichloro-3-methylpentane
- Sodium Amide (NaNH<sub>2</sub>), Ammonia (NH<sub>3</sub>, l)
- Reaction Scheme:
\[
\begin{array}{c}
\text{NaNH}_2, \text{NH}_3 (\text{l})
\rightarrow
\text{H}_2, \text{Lindlar's catalyst}
\rightarrow
\end{array}
\]
- **Option 4:**
- Reactants:
- 3-hexene
- 1. Chlorine (Cl<sub>2</sub>), carbon tetrachloride (CCl<sub>4</sub>)
- 2. Sodium Amide (NaNH<sub>2</sub>), Ammonia (NH<sub>3</sub>, l)
- Reaction Scheme:
\[
\begin{array}{c
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