CR 2 CH₂ CH B 10. Show how you would make the following compound using a Grignard reaction. Start with any organic halide. mg> W CHCH₂ CH3 H30+ CH, OH I'I CH,CH-CHCH₂CH₂ CH3OH CHỊCHC CHỊCH, CH

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### Synthesis of a Compound Using a Grignard Reaction

**Task:** Demonstrate the synthesis of the given compound using a Grignard reaction, starting with any organic halide.

**Reaction Steps:**

1. **Starting Material:**
   - Begin with the organic halide \( \text{CH}_3\text{CH}_2\text{Br} \).

2. **Formation of Grignard Reagent:**
   - React the halide with magnesium (Mg) to form the Grignard reagent:
     \[
     \text{CH}_3\text{CH}_2\text{MgBr}
     \]

3. **Reaction with Aldehyde:**
   - Combine the Grignard reagent with an aldehyde, \( \text{CH}_3\text{CH}_2\text{CHO} \).

4. **Acidic Workup:**
   - Treat the resulting compound with an acid (\( \text{H}_3\text{O}^+ \)) to yield the final alcohol:
     \[
     \text{CH}_3\text{CH}(\text{OH})\text{CH}_2\text{CH}(\text{CH}_2\text{CH}_3)(\text{OH})
     \]

**Final Product:**
- The final compound consists of a five-carbon chain with the hydroxyl groups on the second and fourth carbons: 
  \[
  \begin{align*}
  & \quad \; \text{CH}_3 \\
  & \text{CH}_3\text{CH}(\text{OH})\text{CH}_2\text{CH}(\text{OH})\text{CH}_2\text{CH}_3
  \end{align*}
  \] 

This process illustrates the versatility and utility of Grignard reactions in forming carbon-carbon bonds and synthesizing secondary alcohols.
Transcribed Image Text:### Synthesis of a Compound Using a Grignard Reaction **Task:** Demonstrate the synthesis of the given compound using a Grignard reaction, starting with any organic halide. **Reaction Steps:** 1. **Starting Material:** - Begin with the organic halide \( \text{CH}_3\text{CH}_2\text{Br} \). 2. **Formation of Grignard Reagent:** - React the halide with magnesium (Mg) to form the Grignard reagent: \[ \text{CH}_3\text{CH}_2\text{MgBr} \] 3. **Reaction with Aldehyde:** - Combine the Grignard reagent with an aldehyde, \( \text{CH}_3\text{CH}_2\text{CHO} \). 4. **Acidic Workup:** - Treat the resulting compound with an acid (\( \text{H}_3\text{O}^+ \)) to yield the final alcohol: \[ \text{CH}_3\text{CH}(\text{OH})\text{CH}_2\text{CH}(\text{CH}_2\text{CH}_3)(\text{OH}) \] **Final Product:** - The final compound consists of a five-carbon chain with the hydroxyl groups on the second and fourth carbons: \[ \begin{align*} & \quad \; \text{CH}_3 \\ & \text{CH}_3\text{CH}(\text{OH})\text{CH}_2\text{CH}(\text{OH})\text{CH}_2\text{CH}_3 \end{align*} \] This process illustrates the versatility and utility of Grignard reactions in forming carbon-carbon bonds and synthesizing secondary alcohols.
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