How to pronounce“borane”in English

So this fact that Boranes smell of sulfur had been known since 1910, and utterly forgotten until 1997, 1998.

So the answer to Question Number 1 is: we add borane and replace it with an OH.

Now the good news is, Boranes you can get hold of.

This isn't our final product because we still have to use the chemicals in step 2 to get rid of the borane and make our alcohol, in a reaction called oxidation.

However, I managed to get a hold of a Borane eventually, and here is the beast.

There are more common, even bulkier reactants we can use to get really good anti-Markovnikov selectivity, like borane-THF, a cool double ring structure called 9-BBN, and disiamylborane.

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