00:01
All right, so we have a bunch of compounds here, and we want to know which ones can possibly have an an an antheomers.
00:07
So if something is going to have anantumers, then you need to have a chiral carbon, or at least one chirocarbon.
00:15
And that just means that you need four different things bonded to it, a, b, c, and d.
00:23
Those are just random groups.
00:25
So four distinct groups.
00:27
So for the first compound, we have this carbon has three hydrogens, those are not distinct from each other.
00:32
And this carbon has two hydrogens, a sulfur.
00:35
So the fact that there's two hydrogens, not four distinct groups.
00:39
So no inantumers can form here because there's no chiral carbons.
00:42
Now this compound, let's see.
00:44
So this carbon has more than one hydrogen.
00:46
This carbon is more than one hydrogen.
00:47
So on the ch3 groups, i'll do...