00:01
Okay, so for problem 15, we are given a 3d model, but since i can't have that model up on here, i converted that 3d model to this model right here.
00:17
So i redrew it, but that pretty much represents that 3d model that we have.
00:25
So we're taking this structure, and we're converting it to a...
00:31
Fisher projection okay so if we're doing these tests of problems assigning rns configuration would be your best friend okay so hopefully by now we already gotten a hold of that process okay so since we have this chair configuration in here this would be our carbon ones go ahead and just number our carbons one two three four five six okay so by the looks of it we have oh sorry six is right here okay so by the looks of it that oh h group on carbon five attack that aldehyde on carbon one okay so our fissure projection is going to start off with an aldehyde of course right and we'll have six carbons ending with ch2 .o .h.
01:41
We know that by looking at this one.
01:43
That's our carbon six.
01:46
And then we'll have four carbons in between.
01:52
So like i said, knowing the r &s configurations would be your friend for these types of problems.
02:01
Okay, so let's go ahead and just assign those configurations very quickly.
02:05
Okay, so your carbon 2 is going to have an r configuration, so this would be r right here, and then carbon 3 is also your r configuration.
02:22
So i'm not going to go over all the rotations and priorities and all of that stuff...