1. Draw the MAJOR organic product obtained in the following reactions. Be sure to include stereochemistry if it is important. H2, Pd + isomer H2, Pt На, Ni + isomer HBr, CHCI,, RT + isomer

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Chapter1: Chemical Foundations
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In the given image, two chemical reactions are represented:

1. **Reaction 1:**
   - **Starting Material:** A cyclohexene ring with a single methyl group attached.
   - **Reagents:** HCl, CH₂Cl₂ (dichloromethane), under room temperature (RT) conditions.
   - **Outcome:** The reaction results in the addition of HCl across the double bond, forming a new product, which is accompanied by an isomer.

2. **Reaction 2:**
   - **Starting Material:** A cyclohexene ring with two methyl groups and an ethyl group attached, with a cis-configuration indicated by the solid and dashed wedges.
   - **Reagents:** HCl, CCl₄ (carbon tetrachloride), under room temperature (RT) conditions.
   - **Outcome:** The reaction again involves the addition of HCl across the double bond, yielding a product, along with an isomer.

**Diagram Explanation:**
- The cyclohexene structures show the position of the methyl and ethyl groups, with solid and dashed lines indicating stereochemistry.
- Reaction arrows illustrate the transformation from the starting materials to the products, highlighting the conditions and reagents used.
- "+ isomer" indicates that in both reactions, an isomeric form of the product is also produced.
Transcribed Image Text:In the given image, two chemical reactions are represented: 1. **Reaction 1:** - **Starting Material:** A cyclohexene ring with a single methyl group attached. - **Reagents:** HCl, CH₂Cl₂ (dichloromethane), under room temperature (RT) conditions. - **Outcome:** The reaction results in the addition of HCl across the double bond, forming a new product, which is accompanied by an isomer. 2. **Reaction 2:** - **Starting Material:** A cyclohexene ring with two methyl groups and an ethyl group attached, with a cis-configuration indicated by the solid and dashed wedges. - **Reagents:** HCl, CCl₄ (carbon tetrachloride), under room temperature (RT) conditions. - **Outcome:** The reaction again involves the addition of HCl across the double bond, yielding a product, along with an isomer. **Diagram Explanation:** - The cyclohexene structures show the position of the methyl and ethyl groups, with solid and dashed lines indicating stereochemistry. - Reaction arrows illustrate the transformation from the starting materials to the products, highlighting the conditions and reagents used. - "+ isomer" indicates that in both reactions, an isomeric form of the product is also produced.
**Reaction Problem: Determination of Major Organic Products**

**Objective:** 
Determine the major organic product formed in each of the following reactions. If stereochemistry plays a critical role, please include it in your answers.

1. **Reaction Conditions:**
   - Starting material: Cyclohexadiene with an exocyclic methylene (CH2)
   - Reagents: 
     - H₂, Pd/C (Palladium on Carbon)
     - Note: Include the isomer if applicable.

2. **Reaction Conditions:**
   - Starting material: Bicyclic compound 
   - Reagents: 
     - H₂, Pt (Platinum)
   
3. **Reaction Conditions:**
   - Starting material: Substituted cyclohexane 
   - Reagents: 
     - H₂, Ni (Nickel)
     - Note: Include the isomer if applicable.
   
4. **Reaction Conditions:**
   - Starting material: Methylcyclohexene 
   - Reagents: 
     - HBr, CHCl₃, and R'I (alkyl iodide)

**Instructions:**
- Draw the major product for each reaction.
- The transformation should consider the reduction of double bonds due to hydrogenation.
- For reactions involving potential stereochemical outcomes, ensure to depict all possible configurations, clearly indicating if isomers are formed.
Transcribed Image Text:**Reaction Problem: Determination of Major Organic Products** **Objective:** Determine the major organic product formed in each of the following reactions. If stereochemistry plays a critical role, please include it in your answers. 1. **Reaction Conditions:** - Starting material: Cyclohexadiene with an exocyclic methylene (CH2) - Reagents: - H₂, Pd/C (Palladium on Carbon) - Note: Include the isomer if applicable. 2. **Reaction Conditions:** - Starting material: Bicyclic compound - Reagents: - H₂, Pt (Platinum) 3. **Reaction Conditions:** - Starting material: Substituted cyclohexane - Reagents: - H₂, Ni (Nickel) - Note: Include the isomer if applicable. 4. **Reaction Conditions:** - Starting material: Methylcyclohexene - Reagents: - HBr, CHCl₃, and R'I (alkyl iodide) **Instructions:** - Draw the major product for each reaction. - The transformation should consider the reduction of double bonds due to hydrogenation. - For reactions involving potential stereochemical outcomes, ensure to depict all possible configurations, clearly indicating if isomers are formed.
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