Question

What is meant by hydroboration-oxidation reaction? Illustrate it with an example.

Answer 1

The addition of diborane to alkenes to form trialkyl boranes followed by their oxidation by alkaline $H_2{O}_2$ to form alcohols is known as hydrocarbon-oxidation reaction. For example

Alcohol formed by this reaction appears as it has been formed by addition of water in a way contrary to the Markownikoff's rule.