Heat HO HCI "CN Br A В H20 A H* » + CH3CH2OH

Chemistry
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Chapter1: Chemical Foundations
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Give the major organic product(s) for each of the following reactions. Write NR if a reaction will not occur.

### Organic Chemistry Reactions

**Reaction 1:**

- **Reactant:** A benzoic acid derivative with two hydroxyl groups and two ketone groups on the benzene ring.
- **Condition:** Heat is applied.
- **Transformation:** The structure suggests a possible decarboxylation or rearrangement.

**Reaction 2:**

- **Starting Material:** 1-bromopentane.
- **Reagent:** Cyanide ion (CN⁻).
- **Intermediate (A):** Cyanide substitution product (nitrile formation).
- **Further Reaction:**
  - Reagent: Hydrochloric acid (HCl) with water (H₂O).
  - Condition: Heat (Δ).
  - Product (B): Implies hydrolysis of nitrile to a carboxylic acid.

**Reaction 3:**

- **Reactants:** A dibutyl malonate ester and ethanol (CH₃CH₂OH).
- **Catalyst:** Acid (H⁺).
- **Process:** This suggests a possible transesterification or an acetal/ketal formation.

These reactions illustrate typical organic transformations like decarboxylation, nucleophilic substitution, hydrolysis, and acid-catalyzed reactions.
Transcribed Image Text:### Organic Chemistry Reactions **Reaction 1:** - **Reactant:** A benzoic acid derivative with two hydroxyl groups and two ketone groups on the benzene ring. - **Condition:** Heat is applied. - **Transformation:** The structure suggests a possible decarboxylation or rearrangement. **Reaction 2:** - **Starting Material:** 1-bromopentane. - **Reagent:** Cyanide ion (CN⁻). - **Intermediate (A):** Cyanide substitution product (nitrile formation). - **Further Reaction:** - Reagent: Hydrochloric acid (HCl) with water (H₂O). - Condition: Heat (Δ). - Product (B): Implies hydrolysis of nitrile to a carboxylic acid. **Reaction 3:** - **Reactants:** A dibutyl malonate ester and ethanol (CH₃CH₂OH). - **Catalyst:** Acid (H⁺). - **Process:** This suggests a possible transesterification or an acetal/ketal formation. These reactions illustrate typical organic transformations like decarboxylation, nucleophilic substitution, hydrolysis, and acid-catalyzed reactions.
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