ELI5: Explain Like I'm 5

Sodium triethylborohydride

Okay kiddo, so imagine you want to make something called a molecule. But making this molecule is really hard because it needs a special tool called a chemical reaction. To make this reaction happen, we need something called a *reducing agent*, which helps the reaction go smoothly and makes sure the molecule gets made the way we want it.

Now, this special reducing agent is called *sodium triethylborohydride*. That's a long name, so let's break it down.

*Sodium* is a metal that's really good at joining up with other chemicals.

*Triethylborohydride* is a combination of three things:

- *Triethyl*, which means there are three groups of molecules connected together in a row (like beads on a string).
- *Boro*, which means there's a tiny molecule made of three things called *boron* atoms. These boron atoms are really good at being part of reactions, just like sodium is good at joining up with other chemicals.
- *Hydride*, which means there's one more tiny molecule made of just one element called *hydrogen*. Hydrogen is like that one Lego piece you always need to complete a Lego set.

So when we put these three things together, we get sodium triethylborohydride. It's really important because it helps us make those tricky molecules we need, and it does its job really well because it's really good at making chemical reactions happen in just the right way.

Hope that helps, little one!