 OK, let's try this one now. So again, this is very similar to the lithium aluminum hydride reduction, OK? But instead of taking an acid chloride to a primary alcohol, you're taking it to a tertiary alcohol, OK? So the thing is, so this is an acid chloride that's going to be in the tertiary alcohol. So how did we do that? We reacted it with excess Grinder-Grie agent, and then protonated the resulting alkoxide with water, OK? So let's do this mechanism. The red's easier to see, right? Then the black, I think, probably on video. At least this black end since it's done. So we'll just do it later. So remember, in this case, remember pH that it's like. So if we've got pH mgvr, if you will, what's going to happen? Now, this you can call a bond, ionic, covalent, whatever. Well, what's going to happen is that this pH is going to attack the electrophilic carbonyl carbon, just like always, the sp2 to the sp3 intermediate, and there's that pH. Remember, it's this thing. Why don't I just erase that if you'd like. We could put that. So what's going to happen next is the collapse of the oxygen electrons to make that sp2 again. But when that happens, of course, carbon can't be bonded to five things at once. So we're going to kick out our chlorine or the chloride. So when we did that, so now what do we got? What's that functional group called? That we just made from acid chloride to ketone. So everybody can guess. Ketone? Ketone. When the ketone sees more greener green agent, it's going to do what a ketone does. Why do we got two of them? Because we said excess, right? So it's going to attack that carbonyl carbon again. I'm going to look at the HP. Is that OK for everybody? OK. So we get that. And then, of course, we've got the MgBr plus as the counter. In fact, this is not our product, right? We've got to protonate it. How do we do that? We do the second step, water. So what's going to happen? I'm going to deprotonate water. Put it here. It went from acid chloride to ketone. It's an intermediate, right? And then went to the tertiary ion. Everybody cool with that one? It's the same mechanism over and over. Any questions?