of (a) (b) HO of go ft Br OH Br

Chemistry
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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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Propose suitable reagent(s) to accomplish the following transformations.

### Transcription and Explanation of Organic Chemistry Reactions

#### Reaction (a)

- **Starting Compound:** 
  - A six-membered cyclic carboxylic acid (cyclohexanecarboxylic acid) with the molecular structure:  
    - A cyclohexane ring attached to a carboxyl group (-COOH).

- **Reaction Process:**
  - The conversion involves an introduction of a double bond within the cyclohexane ring, resulting in the formation of a cyclohexene carboxylic acid.

- **Product Compound:**
  - The product is a cyclohexene carboxylic acid, where the ring now contains one double bond.

#### Reaction (b)

- **Starting Compound:** 
  - A ketone with the molecular structure: 
    - A central carbon atom double-bonded to an oxygen (C=O) and single-bonded to an ethyl group (CH3-CH2-) and two methyl groups (CH3).

- **Reaction Process:**
  - The conversion involves the addition of two bromine atoms at the carbon adjacent to the keto group.

- **Product Compound:**
  - The product is a dibromo ketone, where the original ketone is now transformed with two bromine atoms attached to the carbon alpha to the keto group.

These diagrams illustrate typical organic reactions, highlighting transformations such as the introduction of unsaturation and halogenation in cyclic and acyclic compounds. Such reactions are fundamental in synthetic organic chemistry for the modification of chemical structures.
Transcribed Image Text:### Transcription and Explanation of Organic Chemistry Reactions #### Reaction (a) - **Starting Compound:** - A six-membered cyclic carboxylic acid (cyclohexanecarboxylic acid) with the molecular structure: - A cyclohexane ring attached to a carboxyl group (-COOH). - **Reaction Process:** - The conversion involves an introduction of a double bond within the cyclohexane ring, resulting in the formation of a cyclohexene carboxylic acid. - **Product Compound:** - The product is a cyclohexene carboxylic acid, where the ring now contains one double bond. #### Reaction (b) - **Starting Compound:** - A ketone with the molecular structure: - A central carbon atom double-bonded to an oxygen (C=O) and single-bonded to an ethyl group (CH3-CH2-) and two methyl groups (CH3). - **Reaction Process:** - The conversion involves the addition of two bromine atoms at the carbon adjacent to the keto group. - **Product Compound:** - The product is a dibromo ketone, where the original ketone is now transformed with two bromine atoms attached to the carbon alpha to the keto group. These diagrams illustrate typical organic reactions, highlighting transformations such as the introduction of unsaturation and halogenation in cyclic and acyclic compounds. Such reactions are fundamental in synthetic organic chemistry for the modification of chemical structures.
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