How to pronounce“hydroboration”in English

In hydroboration, we form the less substituted enol, thanks to the borane intermediate that forms from the bulky boron reagent.

Like hydroboration, we have another concerted reaction that happens all at once -- so there's a lot of electron pushing to help us get to the transition state.

So hydroboration is always syn addition.

And hydroboration has anti-Markovnikov regioselectivity, syn-stereochemistry, and no carbocation rearrangements.

We have hydroboration, which is anti-Markovnikov addition.

And in hydroboration, this kicks off a weird chain reaction where all bonds break and form at the same time, called a concerted reaction.

Our last reaction is called hydroboration.