Be sure to answer all parts. Complete the reactions to show the synthesis of the following compound from (CH3)₂CHCH₂CH₂Br. Part 1: Part 2 out of 2 Br KOC(CH3)3 Br₂ H₂O view structure Base edit structure ... What reagent is needed where the "?" is located? Acid ~-↑
Be sure to answer all parts. Complete the reactions to show the synthesis of the following compound from (CH3)₂CHCH₂CH₂Br. Part 1: Part 2 out of 2 Br KOC(CH3)3 Br₂ H₂O view structure Base edit structure ... What reagent is needed where the "?" is located? Acid ~-↑
Chemistry
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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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![**Synthesis of a Compound from (CH₃)₂CHCH₂CH₂Br**
**Objective:**
Complete the reactions to synthesize the following compound from (CH₃)₂CHCH₂CH₂Br (2-bromo-3-methylbutane).
![Target compound] : Cyclopropane structure with one carbonyl group attached.
---
**Part 1:**
**Reaction:**
A starting material represented by a straight-chain structure with a bromine (Br) substituent, undergoes a reaction with potassium tert-butoxide \((K^+ \; OC(CH₃)₃)\).
**Intermediate Compound:**
After this reaction, an alkene is formed, shown as having one double bond between the second and third carbon atoms in the chain.
*(View structure button provides visualization of the intermediate alkene.)*
---
**Part 2:**
**Reaction Mechanism:**
1. The alkene from Part 1 reacts with bromine (Br₂) in the presence of water (H₂O).
2. This produces a bromohydrin intermediate, which is integral in transitioning to the final product.
3. A reagent is needed in the next step (marked as "?") to transform this intermediate into the target epoxide compound.
**Appropriate Reagent:**
A base is required for the formation of the final compound.
- Selection: "Base" (indicated by a check mark).
---
**Conclusion:**
To synthesize the desired compound, employing a base as the reagent facilitates the reaction pathway, transforming the bromohydrin intermediate into the epoxide.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7c8f01e2-a14e-48cc-8752-a6869fe4cc3e%2F400b1241-ec17-46be-ad96-49dab37eb018%2Fjbwa0i8_processed.png&w=3840&q=75)
Transcribed Image Text:**Synthesis of a Compound from (CH₃)₂CHCH₂CH₂Br**
**Objective:**
Complete the reactions to synthesize the following compound from (CH₃)₂CHCH₂CH₂Br (2-bromo-3-methylbutane).
![Target compound] : Cyclopropane structure with one carbonyl group attached.
---
**Part 1:**
**Reaction:**
A starting material represented by a straight-chain structure with a bromine (Br) substituent, undergoes a reaction with potassium tert-butoxide \((K^+ \; OC(CH₃)₃)\).
**Intermediate Compound:**
After this reaction, an alkene is formed, shown as having one double bond between the second and third carbon atoms in the chain.
*(View structure button provides visualization of the intermediate alkene.)*
---
**Part 2:**
**Reaction Mechanism:**
1. The alkene from Part 1 reacts with bromine (Br₂) in the presence of water (H₂O).
2. This produces a bromohydrin intermediate, which is integral in transitioning to the final product.
3. A reagent is needed in the next step (marked as "?") to transform this intermediate into the target epoxide compound.
**Appropriate Reagent:**
A base is required for the formation of the final compound.
- Selection: "Base" (indicated by a check mark).
---
**Conclusion:**
To synthesize the desired compound, employing a base as the reagent facilitates the reaction pathway, transforming the bromohydrin intermediate into the epoxide.
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