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Chapter 10: Q.28. (page 414)

Question: What alkene can be used to prepare each alcohol as the exclusive product of a two-step hydroboration–oxidation sequence?

Short Answer

Expert verified

Answer

a.

Step by step solution

01

Step 1:Hydroboration-oxidation reaction

The reaction involves the syn addition of BH3 to the double bond followed by oxidation to produce R and S alcohols.

02

Formation of products for a, b and c

a.

The alkene used to produce 2-methylcyclopentanol in the hydroboration-oxidation reaction is shown below:

Alkene in a

b.

The alkenes used to produce 4-methylheptan-3-ol in the hydroboration-oxidation reaction are shown below:

Alkene in b

c.

The alkene used to produce 1-cyclohexylethanol in the hydroboration-oxidation reaction is shown below:

Alkene in c

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