10. For each of the following reactions, predict the major organic product, including stereochemistry where appropriate. If the name of a reagent is given, draw the structure of that reagent. a. (S)-3-chlorooctane b. j CH3CH₂OK DMSO (S)-3-methyl-3-chlorooctane DMF CH₂CH₂OK CH3CH₂OH

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**Question 10: Organic Reaction Products**

For each of the following reactions, predict the major organic product, including stereochemistry where appropriate. If the name of a reagent is given, draw the structure of that reagent.

---

**a.** Reaction:

- Starting Material: (S)-3-chlorooctane
- Reagents: CH₃CH₂OK, DMSO

**b.** Reaction:

- Starting Material: (S)-3-methyl-3-chlorooctane
- Reagents: CH₃CH₂OK, CH₃CH₂OH

**c.** Reaction:

- Starting Material: Cyclopentane with a chlorine substituent
- Reagents: DMF, epoxide 

**d.** Reaction:

- Starting Material: Tosylate ester (OR group from an ethoxy chain)
- Reagents: NaN₃, EtOH

**e.** Reaction:

- Starting Material: Aromatic ring with an iodine substituent
- Reagents: EtOH

**f.** Reaction:

- Starting Material: Benzyl alcohol
- Reagents: H₃PO₄, heat (Δ)

---

**Explanation:**

- **(S)-3-chlorooctane:** This is an enantiomer of 3-chlorooctane with a specific stereochemistry.
- **CH₃CH₂OK** and **CH₃CH₂OH**: Ethoxide ion often used in elimination and substitution reactions.
- **DMSO** (Dimethyl sulfoxide): A polar, aprotic solvent that can help in substitution reactions.
- **Epoxide**: A three-membered cyclic ether.
- **NaN₃:** Sodium azide, commonly used for nucleophilic substitution reactions.
- **EtOH**: Ethanol, often used as a solvent.
- **H₃PO₄:** Phosphoric acid, used for dehydration reactions.
  
Predict and draw the major organic product for each reaction, considering factors like substitution, elimination, solvent effects, and stereochemistry.
Transcribed Image Text:**Question 10: Organic Reaction Products** For each of the following reactions, predict the major organic product, including stereochemistry where appropriate. If the name of a reagent is given, draw the structure of that reagent. --- **a.** Reaction: - Starting Material: (S)-3-chlorooctane - Reagents: CH₃CH₂OK, DMSO **b.** Reaction: - Starting Material: (S)-3-methyl-3-chlorooctane - Reagents: CH₃CH₂OK, CH₃CH₂OH **c.** Reaction: - Starting Material: Cyclopentane with a chlorine substituent - Reagents: DMF, epoxide **d.** Reaction: - Starting Material: Tosylate ester (OR group from an ethoxy chain) - Reagents: NaN₃, EtOH **e.** Reaction: - Starting Material: Aromatic ring with an iodine substituent - Reagents: EtOH **f.** Reaction: - Starting Material: Benzyl alcohol - Reagents: H₃PO₄, heat (Δ) --- **Explanation:** - **(S)-3-chlorooctane:** This is an enantiomer of 3-chlorooctane with a specific stereochemistry. - **CH₃CH₂OK** and **CH₃CH₂OH**: Ethoxide ion often used in elimination and substitution reactions. - **DMSO** (Dimethyl sulfoxide): A polar, aprotic solvent that can help in substitution reactions. - **Epoxide**: A three-membered cyclic ether. - **NaN₃:** Sodium azide, commonly used for nucleophilic substitution reactions. - **EtOH**: Ethanol, often used as a solvent. - **H₃PO₄:** Phosphoric acid, used for dehydration reactions. Predict and draw the major organic product for each reaction, considering factors like substitution, elimination, solvent effects, and stereochemistry.
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