What is the major product of the following reaction? (1) BH3 (2) H2O2,OH ОН HOH

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What is the major product of the following reaction?

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**Question:**
What is the major product of the following reaction?

**Reaction:**
1. \[ BH_3 \]
2. \[ H_2O_2, OH^- \]

**Options:**

1. **Option 1:**
   - Cyclopentane with an OH group added to the second carbon. The OH group is drawn in a solid wedge, indicating stereochemistry.

2. **Option 2:**
   - Cyclopentane with an OH group added to the first carbon. The OH group is drawn in a dash, indicating stereochemistry.

3. **Option 3:**
   - Cyclopentane with an OH group added to the first carbon. The OH group is drawn in a solid wedge, indicating stereochemistry.

**Explanation:**
The reaction involves the hydroboration-oxidation of a cyclopentene. The OH group is added to the less substituted carbon (anti-Markovnikov addition), and the stereochemistry is retained during the oxidation step.
Transcribed Image Text:**Question:** What is the major product of the following reaction? **Reaction:** 1. \[ BH_3 \] 2. \[ H_2O_2, OH^- \] **Options:** 1. **Option 1:** - Cyclopentane with an OH group added to the second carbon. The OH group is drawn in a solid wedge, indicating stereochemistry. 2. **Option 2:** - Cyclopentane with an OH group added to the first carbon. The OH group is drawn in a dash, indicating stereochemistry. 3. **Option 3:** - Cyclopentane with an OH group added to the first carbon. The OH group is drawn in a solid wedge, indicating stereochemistry. **Explanation:** The reaction involves the hydroboration-oxidation of a cyclopentene. The OH group is added to the less substituted carbon (anti-Markovnikov addition), and the stereochemistry is retained during the oxidation step.
The image appears to display a multiple-choice question involving stereochemistry, specifically focusing on pairs of cyclopentane structures with hydroxyl (OH) groups.

1. **Option 1:**
   - The left structure has an OH group on a wedge (indicating it is projecting out of the plane) and another OH group on a dash (indicating it is projecting into the plane).
   - The right structure is similar but mirrored in stereochemistry.

2. **Option 2:**
   - The structure shown has an OH group on the dash, with no paired structure presented.

3. **Option 3:**
   - The left structure has an OH group on a wedge and the right structure has an OH group on a dash, indicating opposite stereochemistry compared to the first option.

Each option displays variations in the spatial arrangement of hydroxyl groups, testing the understanding of concepts like chirality and stereoisomers.
Transcribed Image Text:The image appears to display a multiple-choice question involving stereochemistry, specifically focusing on pairs of cyclopentane structures with hydroxyl (OH) groups. 1. **Option 1:** - The left structure has an OH group on a wedge (indicating it is projecting out of the plane) and another OH group on a dash (indicating it is projecting into the plane). - The right structure is similar but mirrored in stereochemistry. 2. **Option 2:** - The structure shown has an OH group on the dash, with no paired structure presented. 3. **Option 3:** - The left structure has an OH group on a wedge and the right structure has an OH group on a dash, indicating opposite stereochemistry compared to the first option. Each option displays variations in the spatial arrangement of hydroxyl groups, testing the understanding of concepts like chirality and stereoisomers.
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