Give the MAJOR PRODUCT/S of the following reactions. Include stereochemistry (wedges and dashes) as appropriate. Draw all major enantiomers and diastereomers

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Give the MAJOR PRODUCT/S of the following reactions. Include stereochemistry (wedges and dashes) as
appropriate. Draw all major enantiomers and diastereomers.

### Organic Chemistry Reactions

#### Reaction 1:
**Reactants:**
- A benzene ring with an ethyl group (–CH₂–CH₃) attached, and a bromine (Br) atom attached to the end of the ethyl group.

**Reagents:**
- Sodium methoxide (NaOCH₃)
- Methanol (CH₃OH)

**Description:**
In this reaction, the benzene ring with the ethyl bromide substituent undergoes a nucleophilic substitution reaction with sodium methoxide in the presence of methanol. The bromine (Br) atom is replaced by a methoxy group (OCH₃).

#### Reaction 2:
**Reactants:**
- A cyclohexane ring with a chlorine (Cl) atom attached to a carbon that also has two methyl groups (–CH₃) as substituents. The chlorine atom is attached in the wedge form, indicating its stereochemistry.

**Reagents:**
- Ethanol (EtOH)

**Description:**
In this reaction, the chloro-cyclohexane derivative reacts with ethanol. This reaction could be an example of a nucleophilic substitution where the chlorine atom might be replaced by an ethoxy group (OEt), depending on reaction conditions not shown here.

### Graphs and Diagrams Explanation:
1. **Benzene Ring Substitution:**
   - Left: A benzene ring with –CH₂CH₂Br attached, indicating an ethyl group with bromine.
   - Arrow pointing right: No specific product shown, indicating that sodium methoxide in methanol leads to substitution of Br by OCH₃.

2. **Cyclohexane Ring Substitution:**
   - Left: A cyclohexane ring with a chlorine (Cl) atom shown in stereochemistry (wedge) on a carbon bearing two methyl groups.
   - Arrow pointing right: No specific product shown, indicating ethanol as the reagent and a potential for substitution of Cl.

**Note:** For exact products and further mechanistic details, additional reaction conditions might be required.
Transcribed Image Text:### Organic Chemistry Reactions #### Reaction 1: **Reactants:** - A benzene ring with an ethyl group (–CH₂–CH₃) attached, and a bromine (Br) atom attached to the end of the ethyl group. **Reagents:** - Sodium methoxide (NaOCH₃) - Methanol (CH₃OH) **Description:** In this reaction, the benzene ring with the ethyl bromide substituent undergoes a nucleophilic substitution reaction with sodium methoxide in the presence of methanol. The bromine (Br) atom is replaced by a methoxy group (OCH₃). #### Reaction 2: **Reactants:** - A cyclohexane ring with a chlorine (Cl) atom attached to a carbon that also has two methyl groups (–CH₃) as substituents. The chlorine atom is attached in the wedge form, indicating its stereochemistry. **Reagents:** - Ethanol (EtOH) **Description:** In this reaction, the chloro-cyclohexane derivative reacts with ethanol. This reaction could be an example of a nucleophilic substitution where the chlorine atom might be replaced by an ethoxy group (OEt), depending on reaction conditions not shown here. ### Graphs and Diagrams Explanation: 1. **Benzene Ring Substitution:** - Left: A benzene ring with –CH₂CH₂Br attached, indicating an ethyl group with bromine. - Arrow pointing right: No specific product shown, indicating that sodium methoxide in methanol leads to substitution of Br by OCH₃. 2. **Cyclohexane Ring Substitution:** - Left: A cyclohexane ring with a chlorine (Cl) atom shown in stereochemistry (wedge) on a carbon bearing two methyl groups. - Arrow pointing right: No specific product shown, indicating ethanol as the reagent and a potential for substitution of Cl. **Note:** For exact products and further mechanistic details, additional reaction conditions might be required.
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