17. Fill in the Boxes. PH Hg(OAc)2 THF, ethanol Br NaBH4 Br Br Br Br Br

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The image displays various organic chemistry reactions with certain processes needing completion. Each process is represented with arrows and boxes indicating missing structures or intermediate compounds that require identification. Below is a transcription suitable for an educational website:

---

**Title: Organic Chemistry Reaction Mechanisms**

**Exercise: Fill in the Boxes**

**Instructions:**
Complete the reaction schemes by identifying the missing chemical structures and products.

1. **Reaction 1:**
   - Reactants: Alkene and acetylene 
   - Arrow indicating transformation of an alkyne to a dibromoalkane.
   - **Reagents:**
     - NaNH₂
   - Missing intermediates and products are to be identified.

2. **Reaction 2:**
   - Reactants: Alkene 
   - Transformation: The alkyne reacts to form a tetrabromoalkane.
   - **Reagents:**
     - NaNH₂ 
   - Identify missing intermediates and products.

3. **Reaction 3:**
   - Reactants: Alkene
   - Arrow indicating reaction with a specific reagent to form an alcohol.
   - **Reagents:**
     - Hg(OAc)₂ in THF/ethanol
     - Followed by NaBH₄
   - Identify missing intermediates and products.

4. **Reaction 4:**
   - Reactants: Polycyclic compound
   - Transformation: Ozonolysis reaction leading to cleavage of double bonds.
   - **Reagents:**
     - 1) O₃
     - 2) H₂O₂, NaOH
   - The task is to determine all carbon-containing products of the reaction.

5. **Reaction 5:**
   - Reactants: Alkene
   - Arrow indicating a hydroboration-oxidation reaction.
   - **Reagents:**
     - BH₃ in THF (3 mol equivalents)
     - Followed by H₂O₂, NaOH
   - The missing intermediate and alcohol products are to be added.

These exercises will enhance understanding of organic synthesis processes, reagent roles, and structural transformation mechanisms in organic molecules. Be sure to draw each correct chemical structure in the provided boxes.

---

**Additional Notes for Educators:**
- Encourage students to consider the mechanisms involved.
- Discuss the role and reactivity of each reagent.
- Provide feedback on the plausible stereochemistry of the products formed.

--- 

**End of Exercise**

---
Transcribed Image Text:The image displays various organic chemistry reactions with certain processes needing completion. Each process is represented with arrows and boxes indicating missing structures or intermediate compounds that require identification. Below is a transcription suitable for an educational website: --- **Title: Organic Chemistry Reaction Mechanisms** **Exercise: Fill in the Boxes** **Instructions:** Complete the reaction schemes by identifying the missing chemical structures and products. 1. **Reaction 1:** - Reactants: Alkene and acetylene - Arrow indicating transformation of an alkyne to a dibromoalkane. - **Reagents:** - NaNH₂ - Missing intermediates and products are to be identified. 2. **Reaction 2:** - Reactants: Alkene - Transformation: The alkyne reacts to form a tetrabromoalkane. - **Reagents:** - NaNH₂ - Identify missing intermediates and products. 3. **Reaction 3:** - Reactants: Alkene - Arrow indicating reaction with a specific reagent to form an alcohol. - **Reagents:** - Hg(OAc)₂ in THF/ethanol - Followed by NaBH₄ - Identify missing intermediates and products. 4. **Reaction 4:** - Reactants: Polycyclic compound - Transformation: Ozonolysis reaction leading to cleavage of double bonds. - **Reagents:** - 1) O₃ - 2) H₂O₂, NaOH - The task is to determine all carbon-containing products of the reaction. 5. **Reaction 5:** - Reactants: Alkene - Arrow indicating a hydroboration-oxidation reaction. - **Reagents:** - BH₃ in THF (3 mol equivalents) - Followed by H₂O₂, NaOH - The missing intermediate and alcohol products are to be added. These exercises will enhance understanding of organic synthesis processes, reagent roles, and structural transformation mechanisms in organic molecules. Be sure to draw each correct chemical structure in the provided boxes. --- **Additional Notes for Educators:** - Encourage students to consider the mechanisms involved. - Discuss the role and reactivity of each reagent. - Provide feedback on the plausible stereochemistry of the products formed. --- **End of Exercise** ---
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