Predict the Major product(s) for the following reactions. (10 pts total) Ph Ph mechanism: Show the correct stereochemistry when needed!! mechanism: CI Ph Br H₂S substitution. CH₂ONa DMF A elimination

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**Predict the Major product(s) for the following reactions. (10 pts total)**

**Show the correct stereochemistry when needed!!**

---

**First Reaction:**

- Structure: 
  - Starting compound: A cyclohexane ring with two phenyl (Ph) groups and a chlorine (Cl) atom attached.
  - Reactant: \[\text{H}_2\text{S}\]

- Reaction type: Substitution

- **Mechanism:** 
  - The reaction involves the substitution of the chlorine atom by hydrogen sulfide, based on a nucleophilic substitution mechanism.

- **Product Box:**
  - There is a blank box where the major product should be drawn, showing the substitution product.

---

**Second Reaction:**

- Structure: 
  - Starting compound: A cyclohexane ring with a phenyl (Ph) group and a bromine (Br) atom attached.

- Reactant: \[\text{CH}_3\text{ONa}\]
- Solvent: DMF
- Heat: Indicated by the delta (\[\Delta\]) symbol.

- Reaction type: Elimination

- **Mechanism:** 
  - This reaction involves elimination, where \[\text{CH}_3\text{ONa}\] acts as a base to eliminate the bromine atom, forming a double bond. The involvement of the solvent DMF and heat suggests an E2 mechanism.

- **Product Box:**
  - There is a blank box where the major product should be drawn, showing the elimination product with correct stereochemistry.

--- 

**Note:** Ensure to draw the correct stereochemical configuration for each product as part of the mechanism illustration.
Transcribed Image Text:**Predict the Major product(s) for the following reactions. (10 pts total)** **Show the correct stereochemistry when needed!!** --- **First Reaction:** - Structure: - Starting compound: A cyclohexane ring with two phenyl (Ph) groups and a chlorine (Cl) atom attached. - Reactant: \[\text{H}_2\text{S}\] - Reaction type: Substitution - **Mechanism:** - The reaction involves the substitution of the chlorine atom by hydrogen sulfide, based on a nucleophilic substitution mechanism. - **Product Box:** - There is a blank box where the major product should be drawn, showing the substitution product. --- **Second Reaction:** - Structure: - Starting compound: A cyclohexane ring with a phenyl (Ph) group and a bromine (Br) atom attached. - Reactant: \[\text{CH}_3\text{ONa}\] - Solvent: DMF - Heat: Indicated by the delta (\[\Delta\]) symbol. - Reaction type: Elimination - **Mechanism:** - This reaction involves elimination, where \[\text{CH}_3\text{ONa}\] acts as a base to eliminate the bromine atom, forming a double bond. The involvement of the solvent DMF and heat suggests an E2 mechanism. - **Product Box:** - There is a blank box where the major product should be drawn, showing the elimination product with correct stereochemistry. --- **Note:** Ensure to draw the correct stereochemical configuration for each product as part of the mechanism illustration.
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