Complete the following reaction scheme. Give all product(s) and indicate major or minor and any relevant stereochemistry (g) 1) BH 3, THF 2) H202. OH- (h) 1) Hg(OAC),, H0 2) NaBH4 KMNO4, NaOH Cold

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**Complete the following reaction scheme. Give all product(s) and indicate major or minor and any relevant stereochemistry.**

**(g)**
- Structure: Cyclohexene
- Reagents: 
  1) BH₃, THF
  2) H₂O₂, OH⁻

**(h)**
- Structure: 1-Methylcyclohexene
- Reagents:
  1) Hg(OAc)₂, H₂O
  2) NaBH₄

**(i)**
- Structure: 1,4-Hexadiene
- Reagents:
  - KMnO₄, NaOH, Cold

**Explanation of Reactions:**

- **(g) Hydroboration-Oxidation of Cyclohexene:**
  - The reaction involves the addition of borane (BH₃) followed by oxidation. This results in syn-addition, typically leading to the formation of cyclohexanol with anti-Markovnikov selectivity.

- **(h) Oxymercuration-Reduction of 1-Methylcyclohexene:**
  - The oxymercuration step involves the addition of mercuric acetate, followed by reduction with sodium borohydride (NaBH₄), resulting in Markovnikov addition to form 1-methylcyclohexanol.

- **(i) Dihydroxylation of 1,4-Hexadiene:**
  - Cold, dilute alkaline potassium permanganate (KMnO₄) oxidizes the alkene to produce vicinal diols (glycols), yielding two hydroxyl groups added to each double-bonded carbon with syn-stereochemistry.
Transcribed Image Text:**Complete the following reaction scheme. Give all product(s) and indicate major or minor and any relevant stereochemistry.** **(g)** - Structure: Cyclohexene - Reagents: 1) BH₃, THF 2) H₂O₂, OH⁻ **(h)** - Structure: 1-Methylcyclohexene - Reagents: 1) Hg(OAc)₂, H₂O 2) NaBH₄ **(i)** - Structure: 1,4-Hexadiene - Reagents: - KMnO₄, NaOH, Cold **Explanation of Reactions:** - **(g) Hydroboration-Oxidation of Cyclohexene:** - The reaction involves the addition of borane (BH₃) followed by oxidation. This results in syn-addition, typically leading to the formation of cyclohexanol with anti-Markovnikov selectivity. - **(h) Oxymercuration-Reduction of 1-Methylcyclohexene:** - The oxymercuration step involves the addition of mercuric acetate, followed by reduction with sodium borohydride (NaBH₄), resulting in Markovnikov addition to form 1-methylcyclohexanol. - **(i) Dihydroxylation of 1,4-Hexadiene:** - Cold, dilute alkaline potassium permanganate (KMnO₄) oxidizes the alkene to produce vicinal diols (glycols), yielding two hydroxyl groups added to each double-bonded carbon with syn-stereochemistry.
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