Ⓒ Macmillan Learning Devise a 2-step synthesis of the alkyl bromide shown using the list of reagents provided. Br Select reagent 1: 1. reagent 1 2. reagent 2 Br. Select reagent 2: Br₂, H₂O NBS, ROOR, hv BH₂, THF HBr, ROOR hv HBr Br₂

Organic Chemistry: A Guided Inquiry
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ISBN:9780618974122
Author:Andrei Straumanis
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Chapter14: Elimination
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**Question 28 of 30**

### Devise a 2-step synthesis of the alkyl bromide shown using the list of reagents provided.

The image shows a chemical reaction sequence where an alkyl bromide is being synthesized from a different alkyl bromide through a 2-step reaction. There are two empty fields labeled "Select reagent 1:" and "Select reagent 2:" where you can choose the appropriate reagents from a dropdown list.

#### Reaction Scheme:
  
     Br          1. reagent 1           Br
     |  ------------->  |
     / \                       /   \
       \ /                      \ /

#### Available Reagents:
For "Select reagent 1":
- (Dropdown is not shown in the image)

For "Select reagent 2":
- Br₂, H₂O
- NBS, ROOR, hv
- BH₃, THF
- HBr, ROOR, hv
- HBr
- Br₂

The task is to choose the correct reagents to carry out the 2-step synthesis of the alkyl bromide depicted in the diagram. The starting material consists of an alkyl bromide (positioned on the middle carbon of a chain) and the final product shows the bromide on the adjacent carbon atom. 

This is a transformation task in organic chemistry focused on utilizing suitable reagents to achieve the specified molecular conversion through two steps.

[End of Transcription]
Transcribed Image Text:**Question 28 of 30** ### Devise a 2-step synthesis of the alkyl bromide shown using the list of reagents provided. The image shows a chemical reaction sequence where an alkyl bromide is being synthesized from a different alkyl bromide through a 2-step reaction. There are two empty fields labeled "Select reagent 1:" and "Select reagent 2:" where you can choose the appropriate reagents from a dropdown list. #### Reaction Scheme: Br 1. reagent 1 Br | -------------> | / \ / \ \ / \ / #### Available Reagents: For "Select reagent 1": - (Dropdown is not shown in the image) For "Select reagent 2": - Br₂, H₂O - NBS, ROOR, hv - BH₃, THF - HBr, ROOR, hv - HBr - Br₂ The task is to choose the correct reagents to carry out the 2-step synthesis of the alkyl bromide depicted in the diagram. The starting material consists of an alkyl bromide (positioned on the middle carbon of a chain) and the final product shows the bromide on the adjacent carbon atom. This is a transformation task in organic chemistry focused on utilizing suitable reagents to achieve the specified molecular conversion through two steps. [End of Transcription]
### Organic Chemistry Problem: Synthesis of Alkyl Bromide

#### Question 28 of 30

**Task:** Devise a 2-step synthesis of the alkyl bromide shown using the list of reagents provided.

![Chemical Structures](image_url)

**Instructions:** 
You are given the starting material and the final product structures. Use the drop-down menus to select the appropriate reagents for each synthesis step.

1. Reaction Scheme:

   ![Reaction Scheme](reaction_scheme_image_url)

   - **Step 1 (Reagent 1)**: 
     This involves the selection of the first reagent from the list provided, which will facilitate the conversion of the starting material to an intermediate.
   
   - **Step 2 (Reagent 2)**: 
     This involves the selection of the second reagent, which will convert the intermediate to the desired product.

2. **Select Reagent 1:**

   - **(CH₃)₃CO⁻**
   - **CH₃COO⁻**
   - **NaOH**

3. **Select Reagent 2:**
  
   - [Dropdown menu for selecting the second reagent; options not provided in the image]

**Explanation of Diagrams and Graphs:**

- **Starting Material (Left Structure):**
  The left structure shows an alkyl chain with a bromine atom attached to the second carbon atom.

- **Reaction Scheme Arrow:**
  An arrow indicates the progression from the starting material through reagent 1 and reagent 2 to the final product.

- **Final Product (Right Structure):**
  The right structure is the alkyl bromide product, where bromine is attached to the second carbon in the alkyl chain. 

Utilize this reaction scheme to choose the correct reagents for the synthesis steps required to produce the desired alkyl bromide.
Transcribed Image Text:### Organic Chemistry Problem: Synthesis of Alkyl Bromide #### Question 28 of 30 **Task:** Devise a 2-step synthesis of the alkyl bromide shown using the list of reagents provided. ![Chemical Structures](image_url) **Instructions:** You are given the starting material and the final product structures. Use the drop-down menus to select the appropriate reagents for each synthesis step. 1. Reaction Scheme: ![Reaction Scheme](reaction_scheme_image_url) - **Step 1 (Reagent 1)**: This involves the selection of the first reagent from the list provided, which will facilitate the conversion of the starting material to an intermediate. - **Step 2 (Reagent 2)**: This involves the selection of the second reagent, which will convert the intermediate to the desired product. 2. **Select Reagent 1:** - **(CH₃)₃CO⁻** - **CH₃COO⁻** - **NaOH** 3. **Select Reagent 2:** - [Dropdown menu for selecting the second reagent; options not provided in the image] **Explanation of Diagrams and Graphs:** - **Starting Material (Left Structure):** The left structure shows an alkyl chain with a bromine atom attached to the second carbon atom. - **Reaction Scheme Arrow:** An arrow indicates the progression from the starting material through reagent 1 and reagent 2 to the final product. - **Final Product (Right Structure):** The right structure is the alkyl bromide product, where bromine is attached to the second carbon in the alkyl chain. Utilize this reaction scheme to choose the correct reagents for the synthesis steps required to produce the desired alkyl bromide.
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