MnO2 NaCN HCI HCI B H20 h) C (Give all products 1. CH3MGB. A 2. H20 or H3O* 1. ВН+/THF i) E 2. H2O2, OH", H20 Give all 2 products

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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 Reaction Schemes and Products

#### (h) Reaction Scheme:

**Starting Material:**
- Cyclohexyl methanol (represented as a six-membered cyclohexane ring with a hydroxymethyl group).

**Reagents and Conditions:**
1. **MnO₂:** Oxidation step converting alcohol to an aldehyde.
   - **Product A:** Cyclohexanecarboxaldehyde.
2. **NaCN, HCl:** Nucleophilic addition leading to the formation of a cyanohydrin.
   - **Product B:** 2-Cyclohexylacetonitrile (addition of a CN group).
3. **HCl, H₂O:** Hydrolysis of the nitrile to a carboxylic acid.
   - **Product C:** Cyclohexaneacetic acid.

#### (i) Reaction Scheme:

**Starting Material:**
- 1-Hexyne (linear six-carbon alkyne).

**Reagents and Conditions:**
1. **BH₃/THF followed by H₂O₂, OH⁻, H₂O:** Hydroboration-oxidation process converting alkyne to aldehyde or ketone.
   - **Product A:** 1-Hexanal (conversion to an aldehyde).
2. **CH₃MgBr followed by H₂O or H₃O⁺:** Grignard reaction forming a new alcohol.
   - **Product B:** 2-Methylheptan-2-ol (addition of the CH₃ group).

#### (j) Reaction Scheme:

**Starting Material:**
- Benzene.

**Reagents and Conditions:**
1. **AlCl₃, Acyl Chloride (Cl-C(═O)-CH₃):** Friedel-Crafts acylation.
   - **Product A:** Acetophenone (addition of acyl group).
2. **Triphenylphosphine, Alkene Formation:** Wittig reaction for alkene formation.
   - **Product B:** Formation of a carbon-phosphorus double bond complex leading to an alkene.

Each section above outlines the starting materials, reagents used, and the expected products of the reactions, adhering to common organic chemistry reaction types such as oxidation, hydroboration-oxidation, Grignard addition, and Friedel-Crafts acylation.
Transcribed Image Text:### Organic Chemistry Reaction Schemes and Products #### (h) Reaction Scheme: **Starting Material:** - Cyclohexyl methanol (represented as a six-membered cyclohexane ring with a hydroxymethyl group). **Reagents and Conditions:** 1. **MnO₂:** Oxidation step converting alcohol to an aldehyde. - **Product A:** Cyclohexanecarboxaldehyde. 2. **NaCN, HCl:** Nucleophilic addition leading to the formation of a cyanohydrin. - **Product B:** 2-Cyclohexylacetonitrile (addition of a CN group). 3. **HCl, H₂O:** Hydrolysis of the nitrile to a carboxylic acid. - **Product C:** Cyclohexaneacetic acid. #### (i) Reaction Scheme: **Starting Material:** - 1-Hexyne (linear six-carbon alkyne). **Reagents and Conditions:** 1. **BH₃/THF followed by H₂O₂, OH⁻, H₂O:** Hydroboration-oxidation process converting alkyne to aldehyde or ketone. - **Product A:** 1-Hexanal (conversion to an aldehyde). 2. **CH₃MgBr followed by H₂O or H₃O⁺:** Grignard reaction forming a new alcohol. - **Product B:** 2-Methylheptan-2-ol (addition of the CH₃ group). #### (j) Reaction Scheme: **Starting Material:** - Benzene. **Reagents and Conditions:** 1. **AlCl₃, Acyl Chloride (Cl-C(═O)-CH₃):** Friedel-Crafts acylation. - **Product A:** Acetophenone (addition of acyl group). 2. **Triphenylphosphine, Alkene Formation:** Wittig reaction for alkene formation. - **Product B:** Formation of a carbon-phosphorus double bond complex leading to an alkene. Each section above outlines the starting materials, reagents used, and the expected products of the reactions, adhering to common organic chemistry reaction types such as oxidation, hydroboration-oxidation, Grignard addition, and Friedel-Crafts acylation.
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