A common alkene starting material is shown below. Predict the major product or missing reagent to complete each reaction. Use a dash or wedge bond to indicate stereochemistry, where applicable. Ignore inorganic byproducts. OH OH 1. BH3-THF 2. H₂O2, NaOH Drawing 1. Hg(OAc)2, water 2. NaBH4, NaOH

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**Alkene Reaction Analysis**

**Objective:**  
Predict the major product or missing reagent to complete each reaction. Use dash or wedge bonds to indicate stereochemistry, where applicable. Ignore inorganic byproducts.

---

**Starting Material:**

- A structural diagram of a compound with an alkene functional group is at the bottom. It features a linear chain with double bonds.

---

**Reaction Pathways:**

1. **Pathway 1 (Left Pathway):** 
   - **Reagents:**
     1. \( \text{BH}_3\)-THF
     2. \( \text{H}_2\text{O}_2, \text{NaOH} \)
   - **Outcome:** 
     - The product from this pathway is shown at the upper left. This is marked with a check, indicating completion.
     - The product features an alcohol group (OH) added with specific stereochemistry. The drawing shows two possible stereoisomers: one with the OH group in a "dash" configuration, and the other with a "wedge."

2. **Pathway 2 (Right Pathway):**
   - **Reagents:**
     1. \( \text{Hg(OAc)}_2, \text{water} \)
     2. \( \text{NaBH}_4, \text{NaOH} \)
   - **Outcome:** 
     - The diagram on the right (with "Drawing" placeholder) suggests that the user needs to provide the product structure with the expected stereochemistry.
   
---
 
**Discussion:**  
The reactions outlined correspond to typical alkene addition reactions. Each pathway uses different reagents leading to specific structural and stereochemical outcomes, common in organic synthesis.

**Notes:**  
- Emphasis is placed on the appropriate usage of dash and wedge to denote stereochemistry.
- Inorganic byproducts of the reactions are not considered, according to the instructions.
Transcribed Image Text:**Alkene Reaction Analysis** **Objective:** Predict the major product or missing reagent to complete each reaction. Use dash or wedge bonds to indicate stereochemistry, where applicable. Ignore inorganic byproducts. --- **Starting Material:** - A structural diagram of a compound with an alkene functional group is at the bottom. It features a linear chain with double bonds. --- **Reaction Pathways:** 1. **Pathway 1 (Left Pathway):** - **Reagents:** 1. \( \text{BH}_3\)-THF 2. \( \text{H}_2\text{O}_2, \text{NaOH} \) - **Outcome:** - The product from this pathway is shown at the upper left. This is marked with a check, indicating completion. - The product features an alcohol group (OH) added with specific stereochemistry. The drawing shows two possible stereoisomers: one with the OH group in a "dash" configuration, and the other with a "wedge." 2. **Pathway 2 (Right Pathway):** - **Reagents:** 1. \( \text{Hg(OAc)}_2, \text{water} \) 2. \( \text{NaBH}_4, \text{NaOH} \) - **Outcome:** - The diagram on the right (with "Drawing" placeholder) suggests that the user needs to provide the product structure with the expected stereochemistry. --- **Discussion:** The reactions outlined correspond to typical alkene addition reactions. Each pathway uses different reagents leading to specific structural and stereochemical outcomes, common in organic synthesis. **Notes:** - Emphasis is placed on the appropriate usage of dash and wedge to denote stereochemistry. - Inorganic byproducts of the reactions are not considered, according to the instructions.
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