Chapter 12, Problem 12.55P

Interpretation Introduction

Interpretation:

The product of the given reaction is to be predicted.

Concept introduction:

The hydroboration-oxidation reaction of an alkene is a syn anti-Markovnikov addition of the water molecule across the double bond.

In the first step, a proton from ${\text{BH}}_{\text{3}}$ adds to the less substituted carbon of the double bond while the remaining fragment adds to the less substituted carbon. In the next step, alkyl borane is oxidized to alkyl borate ester by the action of basic ${\text{H}}_{\text{2}}{\text{O}}_{\text{2}}$. Finally, alkyl borate ester is hydrolyzed by the solvent (${\text{H}}_{\text{2}}\text{O}$) to the final product.