Question 23 Give the reagents. OmCPBA O 1. BH3, 2. H2O2, NaOH OKMnO4 O 03 O 1. Hg(OAc)2, H₂O 2. NaBH4 I. I"

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**Question 23**

**Give the reagents.**

The image provides a chemical conversion reaction query. On the left side, there is a structure of cyclohexene, a six-membered carbon ring with one double bond. An arrow points to the right, representing the transformation of cyclohexene to another structure. On the right side, the target structure is identified as a cyclohexane ring with an epoxide group, which consists of an oxygen atom forming a three-membered ring with two carbon atoms, and two hydrogen atoms are shown in a wedge-dash configuration indicating their spatial orientation.

**Options for reagents:**

- ○ mCPBA
- ○ 1. BH₃, 2. H₂O₂, NaOH
- ○ KMnO₄
- ○ O₃
- ○ 1. Hg(OAc)₂, H₂O 2. NaBH₄

**Explanation:**

- **mCPBA (Meta-Chloroperoxybenzoic Acid):** This is a peroxide used in organic chemistry as an oxidizing agent, commonly applied for epoxidation of alkenes.
- **1. BH₃, 2. H₂O₂, NaOH:** This set of reagents is generally used for hydroboration-oxidation, which adds hydroxyl groups across a double bond.
- **KMnO₄ (Potassium Permanganate):** A strong oxidizing agent used for various oxidative transformations, including the formation of diols from alkenes.
- **O₃ (Ozone):** Used for ozonolysis of alkenes to form carbonyl compounds.
- **1. Hg(OAc)₂, H₂O 2. NaBH₄:** This combination is used for oxymercuration-demercuration, a method for converting alkenes to alcohols.

The correct option for converting cyclohexene to the epoxide should be selected based on the desired transformation, which involves the creation of an epoxide ring. The appropriate reagent for this transformation is **mCPBA**.
Transcribed Image Text:**Question 23** **Give the reagents.** The image provides a chemical conversion reaction query. On the left side, there is a structure of cyclohexene, a six-membered carbon ring with one double bond. An arrow points to the right, representing the transformation of cyclohexene to another structure. On the right side, the target structure is identified as a cyclohexane ring with an epoxide group, which consists of an oxygen atom forming a three-membered ring with two carbon atoms, and two hydrogen atoms are shown in a wedge-dash configuration indicating their spatial orientation. **Options for reagents:** - ○ mCPBA - ○ 1. BH₃, 2. H₂O₂, NaOH - ○ KMnO₄ - ○ O₃ - ○ 1. Hg(OAc)₂, H₂O 2. NaBH₄ **Explanation:** - **mCPBA (Meta-Chloroperoxybenzoic Acid):** This is a peroxide used in organic chemistry as an oxidizing agent, commonly applied for epoxidation of alkenes. - **1. BH₃, 2. H₂O₂, NaOH:** This set of reagents is generally used for hydroboration-oxidation, which adds hydroxyl groups across a double bond. - **KMnO₄ (Potassium Permanganate):** A strong oxidizing agent used for various oxidative transformations, including the formation of diols from alkenes. - **O₃ (Ozone):** Used for ozonolysis of alkenes to form carbonyl compounds. - **1. Hg(OAc)₂, H₂O 2. NaBH₄:** This combination is used for oxymercuration-demercuration, a method for converting alkenes to alcohols. The correct option for converting cyclohexene to the epoxide should be selected based on the desired transformation, which involves the creation of an epoxide ring. The appropriate reagent for this transformation is **mCPBA**.
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